[PATCH] D21933: AMDGPU: Enable trackLivenessAfterRegAlloc
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 1 12:33:04 PDT 2016
arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added subscribers: kzhuravl, arsenm.
This has caught a number of bugs.
http://reviews.llvm.org/D21933
Files:
lib/Target/AMDGPU/SIRegisterInfo.cpp
lib/Target/AMDGPU/SIRegisterInfo.h
Index: lib/Target/AMDGPU/SIRegisterInfo.h
===================================================================
--- lib/Target/AMDGPU/SIRegisterInfo.h
+++ lib/Target/AMDGPU/SIRegisterInfo.h
@@ -57,6 +57,7 @@
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override;
bool requiresVirtualBaseRegisters(const MachineFunction &Fn) const override;
+ bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
int64_t getFrameIndexInstrOffset(const MachineInstr *MI,
int Idx) const override;
Index: lib/Target/AMDGPU/SIRegisterInfo.cpp
===================================================================
--- lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -245,6 +245,11 @@
return true;
}
+bool SIRegisterInfo::trackLivenessAfterRegAlloc(const MachineFunction &MF) const {
+ // Enable this so BranchFolder can be run before register allocation.
+ return true;
+}
+
int64_t SIRegisterInfo::getFrameIndexInstrOffset(const MachineInstr *MI,
int Idx) const {
if (!SIInstrInfo::isMUBUF(*MI))
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