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| author | Tim Renouf <tpr.llvm@botech.co.uk> | 2019-08-13 18:57:55 +0000 |
|---|---|---|
| committer | Tim Renouf <tpr.llvm@botech.co.uk> | 2019-08-13 18:57:55 +0000 |
| commit | 10db641aabf059eb9acf9f7649a9c1cc21955b59 (patch) | |
| tree | 18ef3ae6218d7f7c1d9c69cc0584a91eef08a595 /llvm/lib/Target | |
| parent | fc76d8551f54e0a8b99306741d6d818b90334d6a (diff) | |
| download | bcm5719-llvm-10db641aabf059eb9acf9f7649a9c1cc21955b59.tar.gz bcm5719-llvm-10db641aabf059eb9acf9f7649a9c1cc21955b59.zip | |
[AMDGPU] Fix to 'Fold readlane from copy of SGPR or imm'
That change (r363670) could leave a copy from vgpr to sgpr. Fixed.
Differential Revision: https://reviews.llvm.org/D66133
Change-Id: I00c3fe6fda2e8e1e36f53195b881b1449c777ea4
llvm-svn: 368736
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index 1b6981121f8..ca8448ab674 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -676,6 +676,9 @@ void SIFoldOperands::foldOperand( // => // %sgpr1 = COPY %sgpr0 UseMI->setDesc(TII->get(AMDGPU::COPY)); + UseMI->getOperand(1).setReg(OpToFold.getReg()); + UseMI->getOperand(1).setSubReg(OpToFold.getSubReg()); + UseMI->getOperand(1).setIsKill(false); UseMI->RemoveOperand(2); // Remove exec read (or src1 for readlane) return; } |
