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-rw-r--r--llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp16
1 files changed, 2 insertions, 14 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
index 3c96cc2d7ca..2898f68ead2 100644
--- a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -569,14 +569,8 @@ void SIRegisterInfo::spillSGPR(MachineBasicBlock::iterator MI,
std::tie(EltSize, ScalarStoreOp) = getSpillEltSize(RC->getSize(), true);
}
- const TargetRegisterClass *SubRC = nullptr;
- unsigned NumSubRegs = 1;
ArrayRef<int16_t> SplitParts = getRegSplitParts(RC, EltSize);
-
- if (!SplitParts.empty()) {
- NumSubRegs = SplitParts.size();
- SubRC = getSubRegClass(RC, SplitParts[0]);
- }
+ unsigned NumSubRegs = SplitParts.empty() ? 1 : SplitParts.size();
// SubReg carries the "Kill" flag when SubReg == SuperReg.
unsigned SubKillState = getKillRegState((NumSubRegs == 1) && IsKill);
@@ -720,14 +714,8 @@ void SIRegisterInfo::restoreSGPR(MachineBasicBlock::iterator MI,
std::tie(EltSize, ScalarLoadOp) = getSpillEltSize(RC->getSize(), false);
}
- const TargetRegisterClass *SubRC = nullptr;
- unsigned NumSubRegs = 1;
ArrayRef<int16_t> SplitParts = getRegSplitParts(RC, EltSize);
-
- if (!SplitParts.empty()) {
- NumSubRegs = SplitParts.size();
- SubRC = getSubRegClass(RC, SplitParts[0]);
- }
+ unsigned NumSubRegs = SplitParts.empty() ? 1 : SplitParts.size();
// SubReg carries the "Kill" flag when SubReg == SuperReg.
int64_t FrOffset = FrameInfo.getObjectOffset(Index);
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