AMDGPU/SI: Remove isTriviallyReMaterializable() function from SIInstrInfo

Summary:
This function is never called.  isReallyTriviallyReMaterializable() is
the function that should be implemented instead.

Reviewers: arsenm

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11620

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243651 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/SIInstrInfo.cpp b/lib/Target/AMDGPU/SIInstrInfo.cpp
index 18910615bebeaf31e2eb970398747dfdbc8fc7f4..29fd40119e16826973b14d4faab804bcfa732d0b 100644 (file)
--- a/lib/Target/AMDGPU/SIInstrInfo.cpp
+++ b/lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -1045,18 +1045,6 @@ bool SIInstrInfo::FoldImmediate(MachineInstr *UseMI, MachineInstr *DefMI,
   return false;
 }
 
-bool
-SIInstrInfo::isTriviallyReMaterializable(const MachineInstr *MI,
-                                         AliasAnalysis *AA) const {
-  switch(MI->getOpcode()) {
-  default: return AMDGPUInstrInfo::isTriviallyReMaterializable(MI, AA);
-  case AMDGPU::S_MOV_B32:
-  case AMDGPU::S_MOV_B64:
-  case AMDGPU::V_MOV_B32_e32:
-    return MI->getOperand(1).isImm();
-  }
-}
-
 static bool offsetsDoNotOverlap(int WidthA, int OffsetA,
                                 int WidthB, int OffsetB) {
   int LowOffset = OffsetA < OffsetB ? OffsetA : OffsetB;

diff --git a/lib/Target/AMDGPU/SIInstrInfo.h b/lib/Target/AMDGPU/SIInstrInfo.h
index 015ea12d4598a885a854857337b54cbd0e3ff0c7..4f3b0b3fd7145ac985003c1556debff8700f2095 100644 (file)
--- a/lib/Target/AMDGPU/SIInstrInfo.h
+++ b/lib/Target/AMDGPU/SIInstrInfo.h
@@ -125,9 +125,6 @@ public:
                              unsigned &SrcOpIdx1,
                              unsigned &SrcOpIdx2) const override;
 
-  bool isTriviallyReMaterializable(const MachineInstr *MI,
-                                   AliasAnalysis *AA = nullptr) const;
-
   bool areMemAccessesTriviallyDisjoint(
     MachineInstr *MIa, MachineInstr *MIb,
     AliasAnalysis *AA = nullptr) const override;