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| author | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2019-11-05 10:54:03 -0800 |
|---|---|---|
| committer | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2019-11-05 11:05:13 -0800 |
| commit | 4f12ba50bb28a1bf5c5131dcdf84121f04b0e584 (patch) | |
| tree | fb8d571f29d7c78c3179ba1530da57edf3f1db8c /llvm/lib | |
| parent | 3606b567849a935ef6bf627dec2e6100a8f25c4b (diff) | |
| download | bcm5719-llvm-4f12ba50bb28a1bf5c5131dcdf84121f04b0e584.tar.gz bcm5719-llvm-4f12ba50bb28a1bf5c5131dcdf84121f04b0e584.zip | |
[AMDGPU] Removed dead code handling M0CopyReg
Static analyzer complains about always false condition.
See https://bugs.llvm.org/show_bug.cgi?id=43886
Differential Revision: https://reviews.llvm.org/D69860
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp index f58bc3060c4..efcc7266316 100644 --- a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp @@ -771,8 +771,6 @@ bool SIRegisterInfo::spillSGPR(MachineBasicBlock::iterator MI, assert(SuperReg != AMDGPU::M0 && "m0 should never spill"); - unsigned M0CopyReg = AMDGPU::NoRegister; - unsigned EltSize = 4; const TargetRegisterClass *RC = getPhysRegClass(SuperReg); @@ -850,11 +848,6 @@ bool SIRegisterInfo::spillSGPR(MachineBasicBlock::iterator MI, } } - if (M0CopyReg != AMDGPU::NoRegister) { - BuildMI(*MBB, MI, DL, TII->get(AMDGPU::COPY), AMDGPU::M0) - .addReg(M0CopyReg, RegState::Kill); - } - MI->eraseFromParent(); MFI->addToSpilledSGPRs(NumSubRegs); return true; @@ -882,8 +875,6 @@ bool SIRegisterInfo::restoreSGPR(MachineBasicBlock::iterator MI, assert(SuperReg != AMDGPU::M0 && "m0 should never spill"); - unsigned M0CopyReg = AMDGPU::NoRegister; - unsigned EltSize = 4; const TargetRegisterClass *RC = getPhysRegClass(SuperReg); @@ -940,11 +931,6 @@ bool SIRegisterInfo::restoreSGPR(MachineBasicBlock::iterator MI, } } - if (M0CopyReg != AMDGPU::NoRegister) { - BuildMI(*MBB, MI, DL, TII->get(AMDGPU::COPY), AMDGPU::M0) - .addReg(M0CopyReg, RegState::Kill); - } - MI->eraseFromParent(); return true; } |
