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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-10-05 00:13:20 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-10-05 00:13:20 +0000 |
| commit | f48e5c9ce5faaf8e5690e5a03bb3e07932ac9f29 (patch) | |
| tree | 3d61a24063443f5765fe82db5af244064456a746 | |
| parent | aafff87ddaa174a3981302407865977c338a9bce (diff) | |
| download | bcm5719-llvm-f48e5c9ce5faaf8e5690e5a03bb3e07932ac9f29.tar.gz bcm5719-llvm-f48e5c9ce5faaf8e5690e5a03bb3e07932ac9f29.zip | |
AMDGPU: Add comment about clamps
llvm-svn: 314952
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index a527afb25da..a7a12cd1015 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -723,6 +723,8 @@ void SIFoldOperands::foldInstOperand(MachineInstr &MI, } } +// Clamp patterns are canonically selected to v_max_* instructions, so only +// handle them. const MachineOperand *SIFoldOperands::isClamp(const MachineInstr &MI) const { unsigned Op = MI.getOpcode(); switch (Op) { |
