Make the llvm mangler depend only on DataLayout.

Before this patch any program that wanted to know the final symbol name of a
GlobalValue had to link with Target.

This patch implements a compromise solution where the mangler uses DataLayout.
This way, any tool that already links with Target (llc, clang) gets the exact
behavior as before and new IR files can be mangled without linking with Target.

With this patch the mangler is constructed with just a DataLayout and DataLayout
is extended to include the information the Mangler needs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198438 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 0 insertions, 7 deletions

diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp
index 7066a40320..466a94d8e8 100644
--- a/lib/MC/MCAsmInfo.cpp
+++ b/lib/MC/MCAsmInfo.cpp
@@ -41,9 +41,7 @@ MCAsmInfo::MCAsmInfo() {
   CommentString = "#";
   LabelSuffix = ":";
   DebugLabelSuffix = ":";
-  GlobalPrefix = '\0';
   PrivateGlobalPrefix = "L";
-  LinkerPrivateGlobalPrefix = "";
   InlineAsmStart = "APP";
   InlineAsmEnd = "NO_APP";
   Code16Directive = ".code16";
@@ -87,7 +85,6 @@ MCAsmInfo::MCAsmInfo() {
   ExceptionsType = ExceptionHandling::None;
   DwarfUsesRelocationsAcrossSections = true;
   DwarfRegNumForCFI = false;
-  HasMicrosoftFastStdCallMangling = false;
   NeedsDwarfSectionOffsetDirective = false;
   UseParensForSymbolVariant = false;
 }
diff --git a/lib/MC/MCAsmInfoCOFF.cpp b/lib/MC/MCAsmInfoCOFF.cpp
index a9d98ecac8..f11227c647 100644
--- a/lib/MC/MCAsmInfoCOFF.cpp
+++ b/lib/MC/MCAsmInfoCOFF.cpp
@@ -18,7 +18,6 @@ using namespace llvm;
 void MCAsmInfoCOFF::anchor() { }
 
 MCAsmInfoCOFF::MCAsmInfoCOFF() {
-  GlobalPrefix = '_';
   // MingW 4.5 and later support .comm with log2 alignment, but .lcomm uses byte
   // alignment.
   COMMDirectiveAlignmentIsInBytes = false;
@@ -35,7 +34,6 @@ MCAsmInfoCOFF::MCAsmInfoCOFF() {
   // Set up DWARF directives
   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
   SupportsDebugInformation = true;
-  HasMicrosoftFastStdCallMangling = true;
   NeedsDwarfSectionOffsetDirective = true;
 }
 
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index a04ffcb7d6..d5382e6953 100644
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -23,8 +23,6 @@ void MCAsmInfoDarwin::anchor() { }
 MCAsmInfoDarwin::MCAsmInfoDarwin() {
   // Common settings for all Darwin targets.
   // Syntax:
-  GlobalPrefix = '_';
-  LinkerPrivateGlobalPrefix = "l";
   HasSingleParameterDotFile = false;
   HasSubsectionsViaSymbols = true;