Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call

Summary:
AsmPrinter::EmitInlineAsm() will no longer use the EmitRawText() call for targets with mature MC support. Such targets will always parse the inline assembly (even when emitting assembly). Targets without mature MC support continue to use EmitRawText() for assembly output.

The hasRawTextSupport() check in AsmPrinter::EmitInlineAsm() has been replaced with MCAsmInfo::UseIntegratedAs which when true, causes the integrated assembler to parse inline assembly (even when emitting assembly output). UseIntegratedAs is set to true for targets that consider any failure to parse valid assembly to be a bug. Target specific subclasses generally enable the integrated assembler in their constructor. The default value can be overridden with -no-integrated-as.

All tests that rely on inline assembly supporting invalid assembly (for example, those that use mnemonics such as 'foo' or 'hello world') have been updated to disable the integrated assembler.

Reviewers: rafael

Reviewed By: rafael

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2686

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201237 91177308-0d34-0410-b5e6-96231b3b80d8

82 files changed, 175 insertions, 85 deletions

diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h
index b74ae84635..f039ba0db1 100644
--- a/include/llvm/MC/MCAsmInfo.h
+++ b/include/llvm/MC/MCAsmInfo.h
@@ -299,6 +299,14 @@ namespace llvm {
 
     std::vector<MCCFIInstruction> InitialFrameState;
 
+    //===--- Integrated Assembler State ----------------------------------===//
+    /// Should we use the integrated assembler?
+    /// The integrated assembler should be enabled by default (by the
+    /// constructors) when failing to parse a valid piece of assembly (inline
+    /// or otherwise) is considered a bug. It may then be overridden after
+    /// construction (see LLVMTargetMachine::initAsmInfo()).
+    bool UseIntegratedAssembler;
+
   public:
     explicit MCAsmInfo();
     virtual ~MCAsmInfo();
@@ -526,6 +534,14 @@ namespace llvm {
     const std::vector<MCCFIInstruction> &getInitialFrameState() const {
       return InitialFrameState;
     }
+
+    /// Return true if assembly (inline or otherwise) should be parsed.
+    bool useIntegratedAssembler() const { return UseIntegratedAssembler; }
+
+    /// Set whether assembly (inline or otherwise) should be parsed.
+    void setUseIntegratedAssembler(bool Value) {
+      UseIntegratedAssembler = Value;
+    }
   };
 }
 
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp b/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
index 8badf429d2..66379d7ee9 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
@@ -79,10 +79,14 @@ void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode,
   if (isNullTerminated)
     Str = Str.substr(0, Str.size()-1);
 
-  // If the output streamer is actually a .s file, just emit the blob textually.
+  // If the output streamer does not have mature MC support or the integrated
+  // assembler has been disabled, just emit the blob textually.
+  // Otherwise parse the asm and emit it via MC support.
   // This is useful in case the asm parser doesn't handle something but the
   // system assembler does.
-  if (OutStreamer.hasRawTextSupport()) {
+  const MCAsmInfo *MCAI = TM.getMCAsmInfo();
+  assert(MCAI && "No MCAsmInfo");
+  if (!MCAI->useIntegratedAssembler()) {
     OutStreamer.EmitRawText(Str);
     emitInlineAsmEnd(TM.getSubtarget<MCSubtargetInfo>(), 0);
     return;
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index d897757ab7..51cd9d6861 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -53,6 +53,10 @@ static cl::opt<cl::boolOrDefault>
 AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
            cl::init(cl::BOU_UNSET));
 
+static cl::opt<bool>
+NoIntegratedAssembler("no-integrated-as", cl::Hidden,             
+                      cl::desc("Disable integrated assembler"));
+
 static bool getVerboseAsm() {
   switch (AsmVerbose) {
   case cl::BOU_UNSET: return TargetMachine::getAsmVerbosityDefault();
@@ -63,14 +67,20 @@ static bool getVerboseAsm() {
 }
 
 void LLVMTargetMachine::initAsmInfo() {
-  AsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(), TargetTriple);
+  MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
+                                                    TargetTriple);
   // TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
   // and if the old one gets included then MCAsmInfo will be NULL and
   // we'll crash later.
   // Provide the user with a useful error message about what's wrong.
-  assert(AsmInfo && "MCAsmInfo not initialized. "
+  assert(TmpAsmInfo && "MCAsmInfo not initialized. "
          "Make sure you include the correct TargetSelect.h"
          "and that InitializeAllTargetMCs() is being invoked!");
+
+  if (NoIntegratedAssembler)
+    TmpAsmInfo->setUseIntegratedAssembler(false);
+
+  AsmInfo = TmpAsmInfo;
 }
 
 LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp
index 7ece2729a9..0243f008fc 100644
--- a/lib/MC/MCAsmInfo.cpp
+++ b/lib/MC/MCAsmInfo.cpp
@@ -86,6 +86,20 @@ MCAsmInfo::MCAsmInfo() {
   DwarfRegNumForCFI = false;
   NeedsDwarfSectionOffsetDirective = false;
   UseParensForSymbolVariant = false;
+
+  // FIXME: Clang's logic should be synced with the logic used to initialize
+  //        this member and the two implementations should be merged.
+  // For reference:
+  // - Solaris always enables the integrated assembler by default
+  //   - SparcELFMCAsmInfo and X86ELFMCAsmInfo are handling this case
+  // - Windows always enables the integrated assembler by default
+  //   - MCAsmInfoCOFF is handling this case, should it be MCAsmInfoMicrosoft?
+  // - MachO targets always enables the integrated assembler by default
+  //   - MCAsmInfoDarwin is handling this case
+  // - Generic_GCC toolchains enable the integrated assembler on a per
+  //   architecture basis.
+  //   - The target subclasses for AArch64, ARM, and X86  handle these cases
+  UseIntegratedAssembler = false;
 }
 
 MCAsmInfo::~MCAsmInfo() {
diff --git a/lib/MC/MCAsmInfoCOFF.cpp b/lib/MC/MCAsmInfoCOFF.cpp
index f11227c647..99456379f7 100644
--- a/lib/MC/MCAsmInfoCOFF.cpp
+++ b/lib/MC/MCAsmInfoCOFF.cpp
@@ -35,6 +35,8 @@ MCAsmInfoCOFF::MCAsmInfoCOFF() {
   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
   SupportsDebugInformation = true;
   NeedsDwarfSectionOffsetDirective = true;
+
+  UseIntegratedAssembler = true;
 }
 
 void MCAsmInfoMicrosoft::anchor() { }
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index d5382e6953..e907b75102 100644
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -57,4 +57,6 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
   HasNoDeadStrip = true;
 
   DwarfUsesRelocationsAcrossSections = false;
+
+  UseIntegratedAssembler = true;
 }
diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
index e9747d6866..189d4eba81 100644
--- a/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
@@ -35,6 +35,8 @@ AArch64ELFMCAsmInfo::AArch64ELFMCAsmInfo() {
 
   // Exceptions handling
   ExceptionsType = ExceptionHandling::DwarfCFI;
+
+  UseIntegratedAssembler = true;
 }
 
 // Pin the vtable to this file.
diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
index 3c3df1ec6a..4c5f21a054 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
@@ -29,6 +29,8 @@ ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin() {
 
   // Exceptions handling
   ExceptionsType = ExceptionHandling::SjLj;
+
+  UseIntegratedAssembler = true;
 }
 
 void ARMELFMCAsmInfo::anchor() { }
@@ -50,4 +52,6 @@ ARMELFMCAsmInfo::ARMELFMCAsmInfo() {
 
   // foo(plt) instead of foo@plt
   UseParensForSymbolVariant = true;
+
+  UseIntegratedAssembler = true;
 }
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
index fcd22fa5da..b30ca9e9ab 100644
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
@@ -38,11 +38,13 @@ PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) {
   // rather than OS version
   if (T.isMacOSX() && T.isMacOSXVersionLT(10, 6))
     HasWeakDefCanBeHiddenDirective = false;
+
+  UseIntegratedAssembler = true;
 }
 
 void PPCLinuxMCAsmInfo::anchor() { }
 
-PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) {
+PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit, const Triple& T) {
   if (is64Bit) {
     PointerSize = CalleeSaveStackSlotSize = 8;
   }
@@ -71,5 +73,9 @@ PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) {
   ZeroDirective = "\t.space\t";
   Data64bitsDirective = is64Bit ? "\t.quad\t" : 0;
   AssemblerDialect = 1;           // New-Style mnemonics.
+
+  if (T.getOS() == llvm::Triple::FreeBSD ||
+      (T.getOS() == llvm::Triple::NetBSD && !is64Bit))
+    UseIntegratedAssembler = true;
 }
 
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
index 6e6152eab3..cee2cb72a9 100644
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
@@ -29,7 +29,7 @@ class Triple;
   class PPCLinuxMCAsmInfo : public MCAsmInfoELF {
     virtual void anchor();
   public:
-    explicit PPCLinuxMCAsmInfo(bool is64Bit);
+    explicit PPCLinuxMCAsmInfo(bool is64Bit, const Triple&);
   };
 
 } // namespace llvm
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
index 57eb4facaa..105c51151f 100644
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -75,7 +75,7 @@ static MCAsmInfo *createPPCMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) {
   if (TheTriple.isOSDarwin())
     MAI = new PPCMCAsmInfoDarwin(isPPC64, TheTriple);
   else
-    MAI = new PPCLinuxMCAsmInfo(isPPC64);
+    MAI = new PPCLinuxMCAsmInfo(isPPC64, TheTriple);
 
   // Initial state of the frame pointer is R1.
   unsigned Reg = isPPC64 ? PPC::X1 : PPC::R1;
diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
index c594868047..ef5f8ce155 100644
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
@@ -42,6 +42,9 @@ SparcELFMCAsmInfo::SparcELFMCAsmInfo(StringRef TT) {
 
   SunStyleELFSectionSwitchSyntax = true;
   UsesELFSectionDirectiveForBSS = true;
+
+  if (TheTriple.getOS() == llvm::Triple::Solaris)
+    UseIntegratedAssembler = true;
 }
 
 const MCExpr*
diff --git a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
index 7d93555872..6561804661 100644
--- a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
+++ b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
@@ -76,6 +76,8 @@ X86MCAsmInfoDarwin::X86MCAsmInfoDarwin(const Triple &T) {
   // version in use.  From at least >= ld64-97.17 (Xcode 3.2.6) the abs-ified
   // FDE relocs may be used.
   DwarfFDESymbolsUseAbsDiff = T.isMacOSX() && !T.isMacOSXVersionLT(10, 6);
+
+  UseIntegratedAssembler = true;
 }
 
 X86_64MCAsmInfoDarwin::X86_64MCAsmInfoDarwin(const Triple &Triple)
@@ -114,6 +116,10 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &T) {
   if ((T.getOS() == Triple::OpenBSD || T.getOS() == Triple::Bitrig) &&
        T.getArch() == Triple::x86)
     Data64bitsDirective = 0;
+
+  // Always enable the integrated assembler by default.
+  // Clang also enabled it when the OS is Solaris but that is redundant here.
+  UseIntegratedAssembler = true;
 }
 
 const MCExpr *
@@ -144,6 +150,8 @@ X86MCAsmInfoMicrosoft::X86MCAsmInfoMicrosoft(const Triple &Triple) {
   TextAlignFillValue = 0x90;
 
   AllowAtInName = true;
+
+  UseIntegratedAssembler = true;
 }
 
 void X86MCAsmInfoGNUCOFF::anchor() { }
@@ -158,4 +166,6 @@ X86MCAsmInfoGNUCOFF::X86MCAsmInfoGNUCOFF(const Triple &Triple) {
 
   // Exceptions handling
   ExceptionsType = ExceptionHandling::DwarfCFI;
+
+  UseIntegratedAssembler = true;
 }
diff --git a/test/CodeGen/AArch64/inline-asm-constraints.ll b/test/CodeGen/AArch64/inline-asm-constraints.ll
index 18a3b37b41..365453c5fe 100644
--- a/test/CodeGen/AArch64/inline-asm-constraints.ll
+++ b/test/CodeGen/AArch64/inline-asm-constraints.ll
@@ -1,4 +1,4 @@
-;RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck %s
+;RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon -no-integrated-as < %s | FileCheck %s
 
 define i64 @test_inline_constraint_r(i64 %base, i32 %offset) {
 ; CHECK-LABEL: test_inline_constraint_r:
diff --git a/test/CodeGen/AArch64/inline-asm-modifiers.ll b/test/CodeGen/AArch64/inline-asm-modifiers.ll
index b7f4d3c57b..cb66335b10 100644
--- a/test/CodeGen/AArch64/inline-asm-modifiers.ll
+++ b/test/CodeGen/AArch64/inline-asm-modifiers.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -no-integrated-as < %s | FileCheck %s
 
 @var_simple = hidden global i32 0
 @var_got = global i32 0
diff --git a/test/CodeGen/ARM/2009-04-06-AsmModifier.ll b/test/CodeGen/ARM/2009-04-06-AsmModifier.ll
index 7342f69631..a8ea6f007c 100644
--- a/test/CodeGen/ARM/2009-04-06-AsmModifier.ll
+++ b/test/CodeGen/ARM/2009-04-06-AsmModifier.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm | grep "swi 107"
+; RUN: llc < %s -march=arm -no-integrated-as | grep "swi 107"
 
 define i32 @_swilseek(i32) nounwind {
 entry:
diff --git a/test/CodeGen/ARM/arm-modifier.ll b/test/CodeGen/ARM/arm-modifier.ll
index 8548642777..f943aea9e1 100644
--- a/test/CodeGen/ARM/arm-modifier.ll
+++ b/test/CodeGen/ARM/arm-modifier.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s
+; RUN: llc < %s -march=arm -mattr=+vfp2 -no-integrated-as | FileCheck %s
 
 define i32 @foo(float %scale, float %scale2) nounwind {
 entry:
diff --git a/test/CodeGen/ARM/crash-O0.ll b/test/CodeGen/ARM/crash-O0.ll
index 8bce4e0097..8855bb99aa 100644
--- a/test/CodeGen/ARM/crash-O0.ll
+++ b/test/CodeGen/ARM/crash-O0.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -O0 -relocation-model=pic -disable-fp-elim
+; RUN: llc < %s -O0 -relocation-model=pic -disable-fp-elim -no-integrated-as
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64-n32"
 target triple = "armv6-apple-darwin10"
 
diff --git a/test/CodeGen/ARM/inlineasm-64bit.ll b/test/CodeGen/ARM/inlineasm-64bit.ll
index 683a0c4b7d..d098a4383b 100644
--- a/test/CodeGen/ARM/inlineasm-64bit.ll
+++ b/test/CodeGen/ARM/inlineasm-64bit.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -O3  -mtriple=arm-linux-gnueabi | FileCheck %s
-; RUN: llc -mtriple=thumbv7-none-linux-gnueabi -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc < %s -O3  -mtriple=arm-linux-gnueabi -no-integrated-as | FileCheck %s
+; RUN: llc -mtriple=thumbv7-none-linux-gnueabi -verify-machineinstrs -no-integrated-as < %s | FileCheck %s
 ; check if regs are passing correctly
 define void @i64_write(i64* %p, i64 %val) nounwind {
 ; CHECK-LABEL: i64_write:
diff --git a/test/CodeGen/ARM/inlineasm-imm-arm.ll b/test/CodeGen/ARM/inlineasm-imm-arm.ll
index 45dfcf0b82..908f093ae2 100644
--- a/test/CodeGen/ARM/inlineasm-imm-arm.ll
+++ b/test/CodeGen/ARM/inlineasm-imm-arm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm
+; RUN: llc < %s -march=arm -no-integrated-as
 
 ; Test ARM-mode "I" constraint, for any Data Processing immediate.
 define i32 @testI(i32 %x) {
diff --git a/test/CodeGen/ARM/inlineasm3.ll b/test/CodeGen/ARM/inlineasm3.ll
index 5ee3247209..8275cca950 100644
--- a/test/CodeGen/ARM/inlineasm3.ll
+++ b/test/CodeGen/ARM/inlineasm3.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm -float-abi=soft -mattr=+neon,+v6t2 | FileCheck %s
+; RUN: llc < %s -march=arm -float-abi=soft -mattr=+neon,+v6t2 -no-integrated-as | FileCheck %s
 
 ; Radar 7449043
 %struct.int32x4_t = type { <4 x i32> }
diff --git a/test/CodeGen/ARM/mult-alt-generic-arm.ll b/test/CodeGen/ARM/mult-alt-generic-arm.ll
index a8104db337..05e9b0facd 100644
--- a/test/CodeGen/ARM/mult-alt-generic-arm.ll
+++ b/test/CodeGen/ARM/mult-alt-generic-arm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm
+; RUN: llc < %s -march=arm -no-integrated-as
 ; ModuleID = 'mult-alt-generic.c'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32"
 target triple = "arm"
diff --git a/test/CodeGen/ARM/subreg-remat.ll b/test/CodeGen/ARM/subreg-remat.ll
index 1bc0315354..d5abfc0af5 100644
--- a/test/CodeGen/ARM/subreg-remat.ll
+++ b/test/CodeGen/ARM/subreg-remat.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 -pre-RA-sched=source | FileCheck %s
+; RUN: llc < %s -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 -pre-RA-sched=source -no-integrated-as | FileCheck %s
 target triple = "thumbv7-apple-ios"
 ; <rdar://problem/10032939>
 ;
diff --git a/test/CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll b/test/CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll
index 339f0f71ed..21c05f17a7 100644
--- a/test/CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll
+++ b/test/CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s
+; RUN: llc -no-integrated-as < %s
 ; XFAIL: sparc-sun-solaris2
 ; PR1308
 ; PR1557
diff --git a/test/CodeGen/Generic/2007-04-27-InlineAsm-X-Dest.ll b/test/CodeGen/Generic/2007-04-27-InlineAsm-X-Dest.ll
index af522dc4c5..0f82ba61b2 100644
--- a/test/CodeGen/Generic/2007-04-27-InlineAsm-X-Dest.ll
+++ b/test/CodeGen/Generic/2007-04-27-InlineAsm-X-Dest.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s
+; RUN: llc -no-integrated-as < %s
 
 ; Test that we can have an "X" output constraint.
 
diff --git a/test/CodeGen/Generic/2007-04-27-LargeMemObject.ll b/test/CodeGen/Generic/2007-04-27-LargeMemObject.ll
index f2c9b7f849..05989a0836 100644
--- a/test/CodeGen/Generic/2007-04-27-LargeMemObject.ll
+++ b/test/CodeGen/Generic/2007-04-27-LargeMemObject.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s
+; RUN: llc -no-integrated-as < %s
 
         %struct..0anon = type { [100 x i32] }
 
diff --git a/test/CodeGen/Generic/2008-02-20-MatchingMem.ll b/test/CodeGen/Generic/2008-02-20-MatchingMem.ll
index 7ffb734c71..5ddb515bb7 100644
--- a/test/CodeGen/Generic/2008-02-20-MatchingMem.ll
+++ b/test/CodeGen/Generic/2008-02-20-MatchingMem.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s
+; RUN: llc -no-integrated-as < %s
 ; PR1133
 ; XFAIL: hexagon
 define void @test(i32* %X) nounwind  {
diff --git a/test/CodeGen/Generic/asm-large-immediate.ll b/test/CodeGen/Generic/asm-large-immediate.ll
index 891bbc9cc1..67a7a1e75a 100644
--- a/test/CodeGen/Generic/asm-large-immediate.ll
+++ b/test/CodeGen/Generic/asm-large-immediate.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc -no-integrated-as < %s | FileCheck %s
 
 define void @test() {
 entry:
diff --git a/test/CodeGen/Generic/inline-asm-mem-clobber.ll b/test/CodeGen/Generic/inline-asm-mem-clobber.ll
index e523d031dc..5aa827a0ab 100644
--- a/test/CodeGen/Generic/inline-asm-mem-clobber.ll
+++ b/test/CodeGen/Generic/inline-asm-mem-clobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O2 < %s | FileCheck %s
+; RUN: llc -O2 -no-integrated-as < %s | FileCheck %s
 
 @G = common global i32 0, align 4
 
diff --git a/test/CodeGen/Generic/inline-asm-special-strings.ll b/test/CodeGen/Generic/inline-asm-special-strings.ll
index d18221ef93..5ef568863b 100644
--- a/test/CodeGen/Generic/inline-asm-special-strings.ll
+++ b/test/CodeGen/Generic/inline-asm-special-strings.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s | grep "foo 0 0"
+; RUN: llc -no-integrated-as < %s | grep "foo 0 0"
 
 define void @bar() nounwind {
 	tail call void asm sideeffect "foo ${:uid} ${:uid}", ""() nounwind
diff --git a/test/CodeGen/Generic/mature-mc-support.ll b/test/CodeGen/Generic/mature-mc-support.ll
new file mode 100644
index 0000000000..719e411952
--- /dev/null
+++ b/test/CodeGen/Generic/mature-mc-support.ll
@@ -0,0 +1,17 @@
+; Test that inline assembly is parsed by the MC layer when MC support is mature
+; (even when the output is assembly).
+
+; RUN: not llc -march=aarch64 < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=aarch64 -filetype=obj < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=arm < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=arm -filetype=obj < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=thumb < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=thumb -filetype=obj < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=x86 < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=x86 -filetype=obj < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=x86-64 < %s 2>&1 | FileCheck %s
+; RUN: not llc -march=x86-64 -filetype=obj < %s 2>&1 | FileCheck %s
+
+module asm "	.this_directive_is_very_unlikely_to_exist"
+
+; CHECK: LLVM ERROR: Error parsing inline asm
diff --git a/test/CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll b/test/CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll
index 73736c57fe..5eb6e37574 100644
--- a/test/CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll
+++ b/test/CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin8.8.0 | grep "foo r3, r4"
-; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin8.8.0 | grep "bari r3, 47"
+; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin8.8.0 -no-integrated-as | grep "foo r3, r4"
+; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin8.8.0 -no-integrated-as | grep "bari r3, 47"
 
 ; PR1351
 
diff --git a/test/CodeGen/PowerPC/2007-05-03-InlineAsm-S-Constraint.ll b/test/CodeGen/PowerPC/2007-05-03-InlineAsm-S-Constraint.ll
index 1df51406fa..490aa0c144 100644
--- a/test/CodeGen/PowerPC/2007-05-03-InlineAsm-S-Constraint.ll
+++ b/test/CodeGen/PowerPC/2007-05-03-InlineAsm-S-Constraint.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s
+; RUN: llc -no-integrated-as < %s
 ; PR1382
 
 target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
diff --git a/test/CodeGen/Thumb/inlineasm-imm-thumb.ll b/test/CodeGen/Thumb/inlineasm-imm-thumb.ll
index 5c8a52af59..d557b9d5a1 100644
--- a/test/CodeGen/Thumb/inlineasm-imm-thumb.ll
+++ b/test/CodeGen/Thumb/inlineasm-imm-thumb.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=thumb
+; RUN: llc < %s -march=thumb -no-integrated-as
 
 ; Test Thumb-mode "I" constraint, for ADD immediate.
 define i32 @testI(i32 %x) {
diff --git a/test/CodeGen/X86/2006-07-20-InlineAsm.ll b/test/CodeGen/X86/2006-07-20-InlineAsm.ll
index cac47cdab6..1facf15b9f 100644
--- a/test/CodeGen/X86/2006-07-20-InlineAsm.ll
+++ b/test/CodeGen/X86/2006-07-20-InlineAsm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86
+; RUN: llc < %s -march=x86 -no-integrated-as
 ; PR833
 
 @G = weak global i32 0		; <i32*> [#uses=3]
diff --git a/test/CodeGen/X86/2006-07-31-SingleRegClass.ll b/test/CodeGen/X86/2006-07-31-SingleRegClass.ll
index c4b08a3be2..2a9c8324d3 100644
--- a/test/CodeGen/X86/2006-07-31-SingleRegClass.ll
+++ b/test/CodeGen/X86/2006-07-31-SingleRegClass.ll
@@ -1,5 +1,5 @@
 ; PR850
-; RUN: llc < %s -march=x86 -x86-asm-syntax=att | FileCheck %s
+; RUN: llc < %s -march=x86 -x86-asm-syntax=att -no-integrated-as | FileCheck %s
 
 ; CHECK: {{movl 4[(]%eax[)],%ebp}}
 ; CHECK: {{movl 0[(]%eax[)], %ebx}}
diff --git a/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll b/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll
index 3b2e443d7d..93fb344cbb 100644
--- a/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll
+++ b/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 | grep "mov %gs:72, %eax"
+; RUN: llc < %s -march=x86 -no-integrated-as | grep "mov %gs:72, %eax"
 target datalayout = "e-p:32:32"
 target triple = "i686-apple-darwin9"
 
diff --git a/test/CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll b/test/CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll
index 366f583039..6cf8bf9061 100644
--- a/test/CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll
+++ b/test/CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mcpu=yonah -march=x86 | FileCheck %s
+; RUN: llc < %s -mcpu=yonah -march=x86 -no-integrated-as | FileCheck %s
 
 target datalayout = "e-p:32:32"
 target triple = "i686-apple-darwin9"
diff --git a/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll b/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll
index 984094d86a..d02346d103 100644
--- a/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll
+++ b/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s
+; RUN: llc -no-integrated-as < %s
 ; PR1748
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
 target triple = "x86_64-unknown-linux-gnu"
diff --git a/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll b/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll
index 6b871aa3a4..ec3bce9c66 100644
--- a/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll
+++ b/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu
+; RUN: llc -no-integrated-as < %s -mtriple=x86_64-unknown-linux-gnu
 ; PR1767
 
 define void @xor_sse_2(i64 %bytes, i64* %p1, i64* %p2) {
diff --git a/test/CodeGen/X86/2007-11-04-rip-immediate-constant.ll b/test/CodeGen/X86/2007-11-04-rip-immediate-constant.ll
index c4670242b5..d1699d5571 100644
--- a/test/CodeGen/X86/2007-11-04-rip-immediate-constant.ll
+++ b/test/CodeGen/X86/2007-11-04-rip-immediate-constant.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -relocation-model=static | FileCheck %s
+; RUN: llc < %s -relocation-model=static -no-integrated-as | FileCheck %s
 ; PR1761
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
 target triple = "x86_64-pc-linux"
diff --git a/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll b/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll
index b06b249a63..319e884139 100644
--- a/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll
+++ b/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc -no-integrated-as < %s | FileCheck %s
 ; PR2078
 ; The clobber list says that "ax" is clobbered.  Make sure that eax isn't 
 ; allocated to the input/output register.
diff --git a/test/CodeGen/X86/2008-02-26-AsmDirectMemOp.ll b/test/CodeGen/X86/2008-02-26-AsmDirectMemOp.ll
index 0b4eb3a3b9..11b55a6e5a 100644
--- a/test/CodeGen/X86/2008-02-26-AsmDirectMemOp.ll
+++ b/test/CodeGen/X86/2008-02-26-AsmDirectMemOp.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86
+; RUN: llc < %s -march=x86 -no-integrated-as
 
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
 target triple = "i386-pc-linux-gnu"
diff --git a/test/CodeGen/X86/2008-04-26-Asm-Optimize-Imm.ll b/test/CodeGen/X86/2008-04-26-Asm-Optimize-Imm.ll
index d4805b4bb6..6d45f1f003 100644
--- a/test/CodeGen/X86/2008-04-26-Asm-Optimize-Imm.ll
+++ b/test/CodeGen/X86/2008-04-26-Asm-Optimize-Imm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc -no-integrated-as < %s | FileCheck %s
 ; rdar://5720231
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 target triple = "i386-apple-darwin8"
diff --git a/test/CodeGen/X86/2008-09-18-inline-asm-2.ll b/test/CodeGen/X86/2008-09-18-inline-asm-2.ll
index 5c2fbeee5c..f4a43a1e97 100644
--- a/test/CodeGen/X86/2008-09-18-inline-asm-2.ll
+++ b/test/CodeGen/X86/2008-09-18-inline-asm-2.ll
@@ -1,6 +1,6 @@
-; RUN: llc < %s -march=x86 -regalloc=fast -optimize-regalloc=0 | FileCheck %s
-; RUN: llc < %s -march=x86 -regalloc=basic      | FileCheck %s
-; RUN: llc < %s -march=x86 -regalloc=greedy     | FileCheck %s
+; RUN: llc < %s -march=x86 -regalloc=fast -optimize-regalloc=0 -no-integrated-as | FileCheck %s
+; RUN: llc < %s -march=x86 -regalloc=basic -no-integrated-as      | FileCheck %s
+; RUN: llc < %s -march=x86 -regalloc=greedy -no-integrated-as     | FileCheck %s
 
 ; The 1st, 2nd, 3rd and 5th registers must all be different.  The registers
 ; referenced in the 4th and 6th operands must not be the same as the 1st or 5th
diff --git a/test/CodeGen/X86/2008-10-17-Asm64bitRConstraint.ll b/test/CodeGen/X86/2008-10-17-Asm64bitRConstraint.ll
index b2e6061ff9..2b2f704349 100644
--- a/test/CodeGen/X86/2008-10-17-Asm64bitRConstraint.ll
+++ b/test/CodeGen/X86/2008-10-17-Asm64bitRConstraint.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -march=x86
-; RUN: llc < %s -march=x86-64
+; RUN: llc < %s -march=x86 -no-integrated-as
+; RUN: llc < %s -march=x86-64 -no-integrated-as
 
 define void @test(i64 %x) nounwind {
 entry:
diff --git a/test/CodeGen/X86/2008-10-20-AsmDoubleInI32.ll b/test/CodeGen/X86/2008-10-20-AsmDoubleInI32.ll
index 353d1c7521..e23dfe5a6a 100644
--- a/test/CodeGen/X86/2008-10-20-AsmDoubleInI32.ll
+++ b/test/CodeGen/X86/2008-10-20-AsmDoubleInI32.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -march=x86
-; RUN: llc < %s -march=x86-64
+; RUN: llc < %s -march=x86 -no-integrated-as
+; RUN: llc < %s -march=x86-64 -no-integrated-as
 
 ; from gcc.c-torture/compile/920520-1.c
 
diff --git a/test/CodeGen/X86/2009-02-12-InlineAsm-nieZ-constraints.ll b/test/CodeGen/X86/2009-02-12-InlineAsm-nieZ-constraints.ll
index 75496518af..5004f04bf8 100644
--- a/test/CodeGen/X86/2009-02-12-InlineAsm-nieZ-constraints.ll
+++ b/test/CodeGen/X86/2009-02-12-InlineAsm-nieZ-constraints.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 | FileCheck %s
+; RUN: llc < %s -march=x86 -no-integrated-as | FileCheck %s
 
 ; ModuleID = 'shant.c'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
diff --git a/test/CodeGen/X86/2009-04-13-2AddrAssert-2.ll b/test/CodeGen/X86/2009-04-13-2AddrAssert-2.ll
index 3d70b58686..bd1b47a588 100644
--- a/test/CodeGen/X86/2009-04-13-2AddrAssert-2.ll
+++ b/test/CodeGen/X86/2009-04-13-2AddrAssert-2.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i386-apple-darwin
+; RUN: llc < %s -mtriple=i386-apple-darwin -no-integrated-as
 ; rdar://6781755
 ; PR3934
 
diff --git a/test/CodeGen/X86/2009-05-08-InlineAsmIOffset.ll b/test/CodeGen/X86/2009-05-08-InlineAsmIOffset.ll
index 7468acb95f..fa240f64c3 100644
--- a/test/CodeGen/X86/2009-05-08-InlineAsmIOffset.ll
+++ b/test/CodeGen/X86/2009-05-08-InlineAsmIOffset.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -relocation-model=static | FileCheck %s
+; RUN: llc < %s -relocation-model=static -no-integrated-as | FileCheck %s
 ; PR4152
 
 ; CHECK: {{1: ._pv_cpu_ops[+]8}}
diff --git a/test/CodeGen/X86/2009-09-19-earlyclobber.ll b/test/CodeGen/X86/2009-09-19-earlyclobber.ll
index 66f5118050..7df62fd8c3 100644
--- a/test/CodeGen/X86/2009-09-19-earlyclobber.ll
+++ b/test/CodeGen/X86/2009-09-19-earlyclobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc -no-integrated-as < %s | FileCheck %s
 ; ModuleID = '4964.c'
 ; PR 4964
 ; Registers other than RAX, RCX are OK, but they must be different.
diff --git a/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll b/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll
index b166447055..5c10c55ea3 100644
--- a/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll
+++ b/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -no-integrated-as | FileCheck %s
 ; pr5391
 
 define void @t() nounwind ssp {
diff --git a/test/CodeGen/X86/2010-05-05-LocalAllocEarlyClobber.ll b/test/CodeGen/X86/2010-05-05-LocalAllocEarlyClobber.ll
index 74a5ec28db..fc8c895af5 100644
--- a/test/CodeGen/X86/2010-05-05-LocalAllocEarlyClobber.ll
+++ b/test/CodeGen/X86/2010-05-05-LocalAllocEarlyClobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -O0 -regalloc=fast | FileCheck %s
+; RUN: llc < %s -O0 -regalloc=fast -no-integrated-as | FileCheck %s
 ; PR6520
 
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
diff --git a/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll b/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll
index 9b47bb75bf..0f8855d126 100644
--- a/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll
+++ b/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc -regalloc=fast -optimize-regalloc=0 < %s | FileCheck %s
+; RUN: llc -regalloc=fast -optimize-regalloc=0 -no-integrated-as < %s | FileCheck %s
 ; PR7382
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-unknown-linux-gnu"
diff --git a/test/CodeGen/X86/2010-06-25-asm-RA-crash.ll b/test/CodeGen/X86/2010-06-25-asm-RA-crash.ll
index 68a6a134de..0df9dc1cb7 100644
--- a/test/CodeGen/X86/2010-06-25-asm-RA-crash.ll
+++ b/test/CodeGen/X86/2010-06-25-asm-RA-crash.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -disable-fp-elim -mtriple=i686-pc-mingw32
+; RUN: llc < %s -disable-fp-elim -mtriple=i686-pc-mingw32 -no-integrated-as
 
 %struct.__SEH2Frame = type {}
 
diff --git a/test/CodeGen/X86/2010-06-28-FastAllocTiedOperand.ll b/test/CodeGen/X86/2010-06-28-FastAllocTiedOperand.ll
index e1491a03d8..d7bc21f639 100644
--- a/test/CodeGen/X86/2010-06-28-FastAllocTiedOperand.ll
+++ b/test/CodeGen/X86/2010-06-28-FastAllocTiedOperand.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -O0 | FileCheck %s
+; RUN: llc < %s -march=x86 -O0 -no-integrated-as | FileCheck %s
 ; PR7509
 target triple = "i386-apple-darwin10"
 %asmtype = type { i32, i8*, i32, i32 }
diff --git a/test/CodeGen/X86/2010-06-28-matched-g-constraint.ll b/test/CodeGen/X86/2010-06-28-matched-g-constraint.ll
index 82dac9d993..a0798ae10d 100644
--- a/test/CodeGen/X86/2010-06-28-matched-g-constraint.ll
+++ b/test/CodeGen/X86/2010-06-28-matched-g-constraint.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin11 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin11 -no-integrated-as | FileCheck %s
 ; Any register is OK for %0, but it must be a register, not memory.
 
 define i32 @foo() nounwind ssp {
diff --git a/test/CodeGen/X86/2010-07-02-asm-alignstack.ll b/test/CodeGen/X86/2010-07-02-asm-alignstack.ll
index 0bbb24f6ec..4302adda51 100644
--- a/test/CodeGen/X86/2010-07-02-asm-alignstack.ll
+++ b/test/CodeGen/X86/2010-07-02-asm-alignstack.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -no-integrated-as | FileCheck %s
 
 define void @foo() nounwind ssp {
 entry:
diff --git a/test/CodeGen/X86/2010-07-06-asm-RIP.ll b/test/CodeGen/X86/2010-07-06-asm-RIP.ll
index 9526b8d4cd..818bbc6a5b 100644
--- a/test/CodeGen/X86/2010-07-06-asm-RIP.ll
+++ b/test/CodeGen/X86/2010-07-06-asm-RIP.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -no-integrated-as | FileCheck %s
 ; PR 4752
 
 @n = global i32 0                                 ; <i32*> [#uses=2]
diff --git a/test/CodeGen/X86/2010-07-13-indirectXconstraint.ll b/test/CodeGen/X86/2010-07-13-indirectXconstraint.ll
index 97cbe3ea5a..306e22ae5f 100644
--- a/test/CodeGen/X86/2010-07-13-indirectXconstraint.ll
+++ b/test/CodeGen/X86/2010-07-13-indirectXconstraint.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -no-integrated-as | FileCheck %s
 ; PR 7528
 ; formerly crashed
 
diff --git a/test/CodeGen/X86/2011-10-11-SpillDead.ll b/test/CodeGen/X86/2011-10-11-SpillDead.ll
index 8e70d6543a..19c3d6ca72 100644
--- a/test/CodeGen/X86/2011-10-11-SpillDead.ll
+++ b/test/CodeGen/X86/2011-10-11-SpillDead.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -verify-regalloc
+; RUN: llc < %s -verify-regalloc -no-integrated-as
 ; PR11125
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
 target triple = "x86_64-apple-macosx10.7"
diff --git a/test/CodeGen/X86/asm-block-labels.ll b/test/CodeGen/X86/asm-block-labels.ll
index a43d430231..6dbfb16a6d 100644
--- a/test/CodeGen/X86/asm-block-labels.ll
+++ b/test/CodeGen/X86/asm-block-labels.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -std-compile-opts | llc
+; RUN: opt < %s -std-compile-opts | llc -no-integrated-as
 ; ModuleID = 'block12.c'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 target triple = "i686-apple-darwin8"
diff --git a/test/CodeGen/X86/asm-global-imm.ll b/test/CodeGen/X86/asm-global-imm.ll
index ebf585a39a..9e79f6f782 100644
--- a/test/CodeGen/X86/asm-global-imm.ll
+++ b/test/CodeGen/X86/asm-global-imm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -relocation-model=static | FileCheck %s
+; RUN: llc < %s -march=x86 -relocation-model=static -no-integrated-as | FileCheck %s
 ; PR882
 
 target datalayout = "e-p:32:32"
diff --git a/test/CodeGen/X86/cas.ll b/test/CodeGen/X86/cas.ll
index c2dd05ef73..ec519c646f 100644
--- a/test/CodeGen/X86/cas.ll
+++ b/test/CodeGen/X86/cas.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o - | FileCheck %s
+; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o - -no-integrated-as | FileCheck %s
 
 ; C code this came from
 ;bool cas(float volatile *p, float *expected, float desired) {
diff --git a/test/CodeGen/X86/fast-isel.ll b/test/CodeGen/X86/fast-isel.ll
index 132df2b0ab..bc79184216 100644
--- a/test/CodeGen/X86/fast-isel.ll
+++ b/test/CodeGen/X86/fast-isel.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -fast-isel -fast-isel-abort -verify-machineinstrs -march=x86 -mattr=sse2
-; RUN: llc < %s -fast-isel -fast-isel-abort -verify-machineinstrs -mtriple=x86_64-apple-darwin10
+; RUN: llc < %s -fast-isel -fast-isel-abort -verify-machineinstrs -march=x86 -mattr=sse2 -no-integrated-as
+; RUN: llc < %s -fast-isel -fast-isel-abort -verify-machineinstrs -mtriple=x86_64-apple-darwin10 -no-integrated-as
 
 ; This tests very minimal fast-isel functionality.
 
diff --git a/test/CodeGen/X86/fold-xmm-zero.ll b/test/CodeGen/X86/fold-xmm-zero.ll
index b4eeb40983..c92d45c35a 100644
--- a/test/CodeGen/X86/fold-xmm-zero.ll
+++ b/test/CodeGen/X86/fold-xmm-zero.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i386-apple-macosx10.6.7 -mattr=+sse2 | FileCheck %s
+; RUN: llc < %s -mtriple=i386-apple-macosx10.6.7 -mattr=+sse2 -no-integrated-as | FileCheck %s
 
 ; Simple test to make sure folding for special constants (like float zero)
 ; isn't completely broken.
diff --git a/test/CodeGen/X86/inline-asm-flag-clobber.ll b/test/CodeGen/X86/inline-asm-flag-clobber.ll
index 45f4d2f38a..bb7c33e422 100644
--- a/test/CodeGen/X86/inline-asm-flag-clobber.ll
+++ b/test/CodeGen/X86/inline-asm-flag-clobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=x86-64 < %s | FileCheck %s
+; RUN: llc -march=x86-64 -no-integrated-as < %s | FileCheck %s
 ; PR3701
 
 define i64 @t(i64* %arg) nounwind {
diff --git a/test/CodeGen/X86/inline-asm-fpstack.ll b/test/CodeGen/X86/inline-asm-fpstack.ll
index e83c065632..91c477baaa 100644
--- a/test/CodeGen/X86/inline-asm-fpstack.ll
+++ b/test/CodeGen/X86/inline-asm-fpstack.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mcpu=generic -mtriple=i386-apple-darwin | FileCheck %s
+; RUN: llc < %s -mcpu=generic -mtriple=i386-apple-darwin -no-integrated-as | FileCheck %s
 
 ; There should be no stack manipulations between the inline asm and ret.
 ; CHECK: test1
diff --git a/test/CodeGen/X86/inline-asm-h.ll b/test/CodeGen/X86/inline-asm-h.ll
index 53cf419bd1..8c3e45aba9 100644
--- a/test/CodeGen/X86/inline-asm-h.ll
+++ b/test/CodeGen/X86/inline-asm-h.ll
@@ -9,4 +9,4 @@ entry:
 }
 
 ; CHECK: zed
-; CHECK: movq %mm2,foobar+8(%rip)
+; CHECK: movq %mm2, foobar+8(%rip)
diff --git a/test/CodeGen/X86/inline-asm-modifier-n.ll b/test/CodeGen/X86/inline-asm-modifier-n.ll
index b069c46318..072c7c4195 100644
--- a/test/CodeGen/X86/inline-asm-modifier-n.ll
+++ b/test/CodeGen/X86/inline-asm-modifier-n.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 | grep " 37"
+; RUN: llc < %s -march=x86 -no-integrated-as | grep " 37"
 ; rdar://7008959
 
 define void @bork() nounwind {
diff --git a/test/CodeGen/X86/inline-asm-mrv.ll b/test/CodeGen/X86/inline-asm-mrv.ll
index 733205d6a9..a96e7b8180 100644
--- a/test/CodeGen/X86/inline-asm-mrv.ll
+++ b/test/CodeGen/X86/inline-asm-mrv.ll
@@ -1,8 +1,8 @@
 ; PR2094
-; RUN: llc < %s -march=x86-64 | grep movslq
-; RUN: llc < %s -march=x86-64 | grep addps
-; RUN: llc < %s -march=x86-64 | grep paddd
-; RUN: llc < %s -march=x86-64 | not grep movq
+; RUN: llc < %s -march=x86-64 -no-integrated-as | grep movslq
+; RUN: llc < %s -march=x86-64 -no-integrated-as | grep addps
+; RUN: llc < %s -march=x86-64 -no-integrated-as | grep paddd
+; RUN: llc < %s -march=x86-64 -no-integrated-as | not grep movq
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
 target triple = "x86_64-apple-darwin8"
diff --git a/test/CodeGen/X86/inline-asm-q-regs.ll b/test/CodeGen/X86/inline-asm-q-regs.ll
index fca68baac6..53a56aee2c 100644
--- a/test/CodeGen/X86/inline-asm-q-regs.ll
+++ b/test/CodeGen/X86/inline-asm-q-regs.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mattr=+avx
+; RUN: llc < %s -march=x86-64 -mattr=+avx -no-integrated-as
 ; rdar://7066579
 
 	%0 = type { i64, i64, i64, i64, i64 }		; type %0
diff --git a/test/CodeGen/X86/inline-asm-stack-realign3.ll b/test/CodeGen/X86/inline-asm-stack-realign3.ll
index cdb77ca3ea..3baaaaa7d9 100644
--- a/test/CodeGen/X86/inline-asm-stack-realign3.ll
+++ b/test/CodeGen/X86/inline-asm-stack-realign3.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=x86 < %s | FileCheck %s
+; RUN: llc -march=x86 -no-integrated-as < %s | FileCheck %s
 
 declare void @bar(i32* %junk)
 
diff --git a/test/CodeGen/X86/inline-asm-tied.ll b/test/CodeGen/X86/inline-asm-tied.ll
index 597236e362..fb5896b0ad 100644
--- a/test/CodeGen/X86/inline-asm-tied.ll
+++ b/test/CodeGen/X86/inline-asm-tied.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i386-apple-darwin9 -O0 -optimize-regalloc -regalloc=basic | FileCheck %s
+; RUN: llc < %s -mtriple=i386-apple-darwin9 -O0 -optimize-regalloc -regalloc=basic -no-integrated-as | FileCheck %s
 ; rdar://6992609
 
 ; CHECK: movl [[EDX:%e..]], 4(%esp)
diff --git a/test/CodeGen/X86/inline-asm-x-scalar.ll b/test/CodeGen/X86/inline-asm-x-scalar.ll
index 5a9628b3df..64a7fe8264 100644
--- a/test/CodeGen/X86/inline-asm-x-scalar.ll
+++ b/test/CodeGen/X86/inline-asm-x-scalar.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -mcpu=yonah
+; RUN: llc < %s -march=x86 -mcpu=yonah -no-integrated-as
 
 define void @test1() {
         tail call void asm sideeffect "ucomiss $0", "x"( float 0x41E0000000000000)
diff --git a/test/CodeGen/X86/inline-asm.ll b/test/CodeGen/X86/inline-asm.ll
index f12c2600ff..5ec4f469df 100644
--- a/test/CodeGen/X86/inline-asm.ll
+++ b/test/CodeGen/X86/inline-asm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86
+; RUN: llc < %s -march=x86 -no-integrated-as
 
 define i32 @test1() nounwind {
 	; Dest is AX, dest type = i32.
diff --git a/test/CodeGen/X86/ms-inline-asm.ll b/test/CodeGen/X86/ms-inline-asm.ll
index 436d34a115..6910515890 100644
--- a/test/CodeGen/X86/ms-inline-asm.ll
+++ b/test/CodeGen/X86/ms-inline-asm.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -mcpu=core2 | FileCheck %s
+; RUN: llc < %s -march=x86 -mcpu=core2 -no-integrated-as | FileCheck %s
 
 define i32 @t1() nounwind {
 entry:
diff --git a/test/CodeGen/X86/mult-alt-generic-i686.ll b/test/CodeGen/X86/mult-alt-generic-i686.ll
index 7c3499f178..54bc3a42f0 100644
--- a/test/CodeGen/X86/mult-alt-generic-i686.ll
+++ b/test/CodeGen/X86/mult-alt-generic-i686.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86
+; RUN: llc < %s -march=x86 -no-integrated-as
 ; ModuleID = 'mult-alt-generic.c'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
 target triple = "i686"
diff --git a/test/CodeGen/X86/mult-alt-generic-x86_64.ll b/test/CodeGen/X86/mult-alt-generic-x86_64.ll
index f35bb5e340..84a9c81409 100644
--- a/test/CodeGen/X86/mult-alt-generic-x86_64.ll
+++ b/test/CodeGen/X86/mult-alt-generic-x86_64.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64
+; RUN: llc < %s -march=x86-64 -no-integrated-as
 ; ModuleID = 'mult-alt-generic.c'
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64"
diff --git a/test/CodeGen/X86/mult-alt-x86.ll b/test/CodeGen/X86/mult-alt-x86.ll
index 06175da464..cb2219a6ed 100644
--- a/test/CodeGen/X86/mult-alt-x86.ll
+++ b/test/CodeGen/X86/mult-alt-x86.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -mattr=+sse2
+; RUN: llc < %s -march=x86 -mattr=+sse2 -no-integrated-as
 ; ModuleID = 'mult-alt-x86.c'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
 target triple = "i686-pc-win32"
diff --git a/test/CodeGen/X86/multiple-loop-post-inc.ll b/test/CodeGen/X86/multiple-loop-post-inc.ll
index 29b9f34464..4edc1ff0b3 100644
--- a/test/CodeGen/X86/multiple-loop-post-inc.ll
+++ b/test/CodeGen/X86/multiple-loop-post-inc.ll
@@ -1,4 +1,4 @@
-; RUN: llc -asm-verbose=false -disable-branch-fold -disable-block-placement -disable-tail-duplicate -march=x86-64 -mcpu=nehalem < %s | FileCheck %s
+; RUN: llc -asm-verbose=false -disable-branch-fold -disable-block-placement -disable-tail-duplicate -march=x86-64 -mcpu=nehalem -no-integrated-as < %s | FileCheck %s
 ; rdar://7236213
 ;
 ; The scheduler's 2-address hack has been disabled, so there is
diff --git a/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll b/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll
index 9d82819f9d..598ea0e354 100644
--- a/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll
+++ b/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -std-compile-opts -o - | llc -o - | grep bork_directive | wc -l | grep 2
+; RUN: opt < %s -std-compile-opts -o - | llc -no-integrated-as -o - | grep bork_directive | wc -l | grep 2
 
 ;; We don't want branch folding to fold asm directives.