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| author | Tom Stellard <tstellar@redhat.com> | 2018-07-27 06:04:40 +0000 |
|---|---|---|
| committer | Tom Stellard <tstellar@redhat.com> | 2018-07-27 06:04:40 +0000 |
| commit | e9bdc5f1d810f40aeccdafc1df100dc9a1cdc1d5 (patch) | |
| tree | 778f5ef85594e83bcb35be3648aeff6bf7e428d3 /llvm/lib/Target | |
| parent | 561e298e29b17123198396cda679d0e6c1ca021e (diff) | |
| download | bcm5719-llvm-e9bdc5f1d810f40aeccdafc1df100dc9a1cdc1d5.tar.gz bcm5719-llvm-e9bdc5f1d810f40aeccdafc1df100dc9a1cdc1d5.zip | |
AMDGPU/GlobalISel: Fix crash in regbankselect on non-power-of-2 types
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, dstuttard, tpr, llvm-commits, t-tye
Differential Revision: https://reviews.llvm.org/D49624
llvm-svn: 338102
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUGenRegisterBankInfo.def | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUGenRegisterBankInfo.def b/llvm/lib/Target/AMDGPU/AMDGPUGenRegisterBankInfo.def index ef2dab781ad..3a58c6c6a29 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUGenRegisterBankInfo.def +++ b/llvm/lib/Target/AMDGPU/AMDGPUGenRegisterBankInfo.def @@ -96,7 +96,7 @@ const RegisterBankInfo::ValueMapping *getValueMapping(unsigned BankID, break; default: Idx = BankID == AMDGPU::VGPRRegBankID ? VGPRStartIdx : SGPRStartIdx; - Idx += llvm::countTrailingZeros(Size); + Idx += Log2_32_Ceil(Size); break; } return &ValMappings[Idx]; |
