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| author | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2017-04-14 00:33:44 +0000 |
|---|---|---|
| committer | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2017-04-14 00:33:44 +0000 |
| commit | 86b0a5465be50b362c2a2748a5523a6f63778470 (patch) | |
| tree | b0efe4865c21a4909cf82fecdaa3cc5871125436 /llvm/lib/Target/AMDGPU/SIInstrInfo.h | |
| parent | 8f56846d4f86efc9dccd5b64d569878191dcaaf5 (diff) | |
| download | bcm5719-llvm-86b0a5465be50b362c2a2748a5523a6f63778470.tar.gz bcm5719-llvm-86b0a5465be50b362c2a2748a5523a6f63778470.zip | |
[AMDGPU] added SIInstrInfo::getAddNoCarry() helper
Addressed rest of post submit comments from D31993.
Differential Revision: https://reviews.llvm.org/D32057
llvm-svn: 300288
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstrInfo.h')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstrInfo.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.h b/llvm/lib/Target/AMDGPU/SIInstrInfo.h index 18099abc101..659473ca6a4 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.h +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.h @@ -761,6 +761,15 @@ public: CreateTargetPostRAHazardRecognizer(const MachineFunction &MF) const override; bool isBasicBlockPrologue(const MachineInstr &MI) const override; + + /// \brief Return a partially built integer add instruction without carry. + /// Caller must add source operands. + /// For pre-GFX9 it will generate unused carry destination operand. + /// TODO: After GFX9 it should return a no-carry operation. + MachineInstrBuilder getAddNoCarry(MachineBasicBlock &MBB, + MachineBasicBlock::iterator I, + const DebugLoc &DL, + unsigned DestReg) const; }; namespace AMDGPU { |
