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-rw-r--r--llvm/lib/Target/AMDGPU/SIFrameLowering.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
index d73f2b4abae..44647d8ba87 100644
--- a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
@@ -975,8 +975,10 @@ void SIFrameLowering::determineCalleeSaves(MachineFunction &MF,
BitVector &SavedVGPRs,
RegScavenger *RS) const {
TargetFrameLowering::determineCalleeSaves(MF, SavedVGPRs, RS);
-
SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
+ if (MFI->isEntryFunction())
+ return;
+
const MachineFrameInfo &FrameInfo = MF.getFrameInfo();
const GCNSubtarget &ST = MF.getSubtarget<GCNSubtarget>();
const SIRegisterInfo *TRI = ST.getRegisterInfo();
@@ -1049,6 +1051,8 @@ void SIFrameLowering::determineCalleeSavesSGPR(MachineFunction &MF,
RegScavenger *RS) const {
TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS);
const SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
+ if (MFI->isEntryFunction())
+ return;
const GCNSubtarget &ST = MF.getSubtarget<GCNSubtarget>();
const SIRegisterInfo *TRI = ST.getRegisterInfo();
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