From 5b00e833fabbf5bdf2973c63c39d4a0d0143853a Mon Sep 17 00:00:00 2001
From: Vincent Lejeune <vljn@ovi.com>
Date: Tue, 1 Oct 2013 19:32:38 +0000
Subject: R600: Enable -verify-machineinstrs in some tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191788 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/R600/AMDGPUInstrInfo.cpp |  2 +-
 lib/Target/R600/AMDILInstrInfo.td   | 10 +++++-----
 lib/Target/R600/R600InstrInfo.cpp   |  9 +++++++++
 lib/Target/R600/R600Instructions.td |  2 +-
 lib/Target/R600/R600RegisterInfo.td |  5 +++--
 5 files changed, 19 insertions(+), 9 deletions(-)

(limited to 'lib')

diff --git a/lib/Target/R600/AMDGPUInstrInfo.cpp b/lib/Target/R600/AMDGPUInstrInfo.cpp
index 61437e90e6..8d3f740c3c 100644
--- a/lib/Target/R600/AMDGPUInstrInfo.cpp
+++ b/lib/Target/R600/AMDGPUInstrInfo.cpp
@@ -28,7 +28,7 @@
 using namespace llvm;
 
 AMDGPUInstrInfo::AMDGPUInstrInfo(TargetMachine &tm)
-  : AMDGPUGenInstrInfo(0,0), RI(tm), TM(tm) { }
+  : AMDGPUGenInstrInfo(-1,-1), RI(tm), TM(tm) { }
 
 const AMDGPURegisterInfo &AMDGPUInstrInfo::getRegisterInfo() const {
   return RI;
diff --git a/lib/Target/R600/AMDILInstrInfo.td b/lib/Target/R600/AMDILInstrInfo.td
index f7d0bd5734..0f0c88db93 100644
--- a/lib/Target/R600/AMDILInstrInfo.td
+++ b/lib/Target/R600/AMDILInstrInfo.td
@@ -118,15 +118,15 @@ class ILFormat<dag outs, dag ins, string asmstr, list<dag> pattern>
 // Multiclass Instruction formats
 //===--------------------------------------------------------------------===//
 // Multiclass that handles branch instructions
-multiclass BranchConditional<SDNode Op> {
+multiclass BranchConditional<SDNode Op, RegisterClass rci, RegisterClass rcf> {
     def _i32 : ILFormat<(outs),
-  (ins brtarget:$target, GPRI32:$src0),
+  (ins brtarget:$target, rci:$src0),
         "; i32 Pseudo branch instruction",
-  [(Op bb:$target, GPRI32:$src0)]>;
+  [(Op bb:$target, (i32 rci:$src0))]>;
     def _f32 : ILFormat<(outs),
-  (ins brtarget:$target, GPRF32:$src0),
+  (ins brtarget:$target, rcf:$src0),
         "; f32 Pseudo branch instruction",
-  [(Op bb:$target, GPRF32:$src0)]>;
+  [(Op bb:$target, (f32 rcf:$src0))]>;
 }
 
 // Only scalar types should generate flow control
diff --git a/lib/Target/R600/R600InstrInfo.cpp b/lib/Target/R600/R600InstrInfo.cpp
index 92aae63494..b2c2f93dfe 100644
--- a/lib/Target/R600/R600InstrInfo.cpp
+++ b/lib/Target/R600/R600InstrInfo.cpp
@@ -651,6 +651,11 @@ bool isJump(unsigned Opcode) {
   return Opcode == AMDGPU::JUMP || Opcode == AMDGPU::JUMP_COND;
 }
 
+static bool isBranch(unsigned Opcode) {
+  return Opcode == AMDGPU::BRANCH || Opcode == AMDGPU::BRANCH_COND_i32 ||
+      Opcode == AMDGPU::BRANCH_COND_f32;
+}
+
 bool
 R600InstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,
                              MachineBasicBlock *&TBB,
@@ -669,6 +674,10 @@ R600InstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,
       return false;
     --I;
   }
+  // AMDGPU::BRANCH* instructions are only available after isel and are not
+  // handled
+  if (isBranch(I->getOpcode()))
+    return true;
   if (!isJump(static_cast<MachineInstr *>(I)->getOpcode())) {
     return false;
   }
diff --git a/lib/Target/R600/R600Instructions.td b/lib/Target/R600/R600Instructions.td
index e92385dd1d..f38fa5dc57 100644
--- a/lib/Target/R600/R600Instructions.td
+++ b/lib/Target/R600/R600Instructions.td
@@ -2238,7 +2238,7 @@ let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in {
   def BRANCH : ILFormat<(outs), (ins brtarget:$target),
       "; Pseudo unconditional branch instruction",
       [(br bb:$target)]>;
-  defm BRANCH_COND : BranchConditional<IL_brcond>;
+  defm BRANCH_COND : BranchConditional<IL_brcond, R600_Reg32, R600_Reg32>;
 }
 
 //===---------------------------------------------------------------------===//
diff --git a/lib/Target/R600/R600RegisterInfo.td b/lib/Target/R600/R600RegisterInfo.td
index 514427eb25..6fec43c4d7 100644
--- a/lib/Target/R600/R600RegisterInfo.td
+++ b/lib/Target/R600/R600RegisterInfo.td
@@ -138,8 +138,6 @@ def R600_Addr : RegisterClass <"AMDGPU", [i32], 127, (add (sequence "Addr%u_X",
 def R600_LDS_SRC_REG : RegisterClass<"AMDGPU", [i32], 32,
   (add OQA, OQB, OQAP, OQBP, LDS_DIRECT_A, LDS_DIRECT_B)>;
 
-} // End isAllocatable = 0
-
 def R600_KC0_X : RegisterClass <"AMDGPU", [f32, i32], 32,
                               (add (sequence "KC0_%u_X", 128, 159))>;
 
@@ -172,6 +170,8 @@ def R600_KC1 : RegisterClass <"AMDGPU", [f32, i32], 32,
                                    (interleave R600_KC1_X, R600_KC1_Y,
                                                R600_KC1_Z, R600_KC1_W)>;
 
+} // End isAllocatable = 0
+
 def R600_TReg32_X : RegisterClass <"AMDGPU", [f32, i32], 32,
                                    (add (sequence "T%u_X", 0, 127), AR_X)>;
 
@@ -192,6 +192,7 @@ def R600_Reg32 : RegisterClass <"AMDGPU", [f32, i32], 32, (add
     R600_TReg32,
     R600_ArrayBase,
     R600_Addr,
+    R600_KC0, R600_KC1,
     ZERO, HALF, ONE, ONE_INT, PV_X, ALU_LITERAL_X, NEG_ONE, NEG_HALF,
     ALU_CONST, ALU_PARAM, OQAP
     )>;
-- 
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