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| author | Dmitry Preobrazhensky <dmitry.preobrazhensky@amd.com> | 2019-09-02 14:19:52 +0000 |
|---|---|---|
| committer | Dmitry Preobrazhensky <dmitry.preobrazhensky@amd.com> | 2019-09-02 14:19:52 +0000 |
| commit | 4aa90ea58efbd09de834b2939fee91a47059200d (patch) | |
| tree | c1105832a71da57e0ad4a426f8038d3a10d6d4f0 /llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp | |
| parent | efa1ca2c25de362a52b7356529c6203fe21cb120 (diff) | |
| download | bcm5719-llvm-4aa90ea58efbd09de834b2939fee91a47059200d.tar.gz bcm5719-llvm-4aa90ea58efbd09de834b2939fee91a47059200d.zip | |
[AMDGPU][MC][GFX10] Corrected constant bus checks to exclude null
See AMD SWDEV-157286
Reviewers: atamazov, arsenm
Differential Revision: https://reviews.llvm.org/D65229
llvm-svn: 370665
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp index 519f809cce6..b8e91d3f364 100644 --- a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp +++ b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp @@ -2657,7 +2657,6 @@ unsigned AMDGPUAsmParser::findImplicitSGPRReadInVOP(const MCInst &Inst) const { case AMDGPU::VCC_LO: case AMDGPU::VCC_HI: case AMDGPU::M0: - case AMDGPU::SGPR_NULL: return Reg; default: break; @@ -2731,9 +2730,13 @@ bool AMDGPUAsmParser::usesConstantBus(const MCInst &Inst, unsigned OpIdx) { const MCOperand &MO = Inst.getOperand(OpIdx); if (MO.isImm()) { return !isInlineConstant(Inst, OpIdx); + } else if (MO.isReg()) { + auto Reg = MO.getReg(); + const MCRegisterInfo *TRI = getContext().getRegisterInfo(); + return isSGPR(mc2PseudoReg(Reg), TRI) && Reg != SGPR_NULL; + } else { + return true; } - return !MO.isReg() || - isSGPR(mc2PseudoReg(MO.getReg()), getContext().getRegisterInfo()); } bool AMDGPUAsmParser::validateConstantBusLimitations(const MCInst &Inst) { |
