[PATCH] D22145: AMDGPU: Simplify isSchedulingBoundary
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 8 11:20:10 PDT 2016
arsenm created this revision.
arsenm added a subscriber: llvm-commits.
Herald added a reviewer: tstellarAMD.
Herald added subscribers: kzhuravl, arsenm.
http://reviews.llvm.org/D22145
Files:
lib/Target/AMDGPU/SIInstrInfo.cpp
Index: lib/Target/AMDGPU/SIInstrInfo.cpp
===================================================================
--- lib/Target/AMDGPU/SIInstrInfo.cpp
+++ lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -1455,14 +1455,13 @@
bool SIInstrInfo::isSchedulingBoundary(const MachineInstr &MI,
const MachineBasicBlock *MBB,
const MachineFunction &MF) const {
+ // XXX - Do we want the SP check in the base implementation?
+
// Target-independent instructions do not have an implicit-use of EXEC, even
// when they operate on VGPRs. Treating EXEC modifications as scheduling
// boundaries prevents incorrect movements of such instructions.
- const SIRegisterInfo *TRI = MF.getSubtarget<SISubtarget>().getRegisterInfo();
- if (MI.modifiesRegister(AMDGPU::EXEC, TRI))
- return true;
-
- return AMDGPUInstrInfo::isSchedulingBoundary(MI, MBB, MF);
+ return TargetInstrInfo::isSchedulingBoundary(MI, MBB, MF) ||
+ MI.modifiesRegister(AMDGPU::EXEC, &RI);
}
bool SIInstrInfo::isInlineConstant(const APInt &Imm) const {
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D22145.63265.patch
Type: text/x-patch
Size: 1099 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20160708/56567eb1/attachment.bin>
More information about the llvm-commits
mailing list