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Differential D112429 Diff 392315 llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp

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llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp

Show First 20 Lines • Show All 2,115 Lines • ▼ Show 20 Linesbool ARMLoadStoreOpt::runOnMachineFunction(MachineFunction &Fn) {
RegClassInfoValid = false; RegClassInfoValid = false;
isThumb2 = AFI->isThumb2Function(); isThumb2 = AFI->isThumb2Function();
isThumb1 = AFI->isThumbFunction() && !isThumb2; isThumb1 = AFI->isThumbFunction() && !isThumb2;
bool Modified = false; bool Modified = false;
for (MachineBasicBlock &MBB : Fn) { for (MachineBasicBlock &MBB : Fn) {
Modified |= LoadStoreMultipleOpti(MBB); Modified |= LoadStoreMultipleOpti(MBB);
if (STI->hasV5TOps()) if (STI->hasV5TOps() && !AFI->shouldSignReturnAddress())
Modified |= MergeReturnIntoLDM(MBB); Modified |= MergeReturnIntoLDM(MBB);
if (isThumb1) if (isThumb1)
Modified |= CombineMovBx(MBB); Modified |= CombineMovBx(MBB);
} }
Allocator.DestroyAll(); Allocator.DestroyAll();
return Modified; return Modified;
} }
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