[llvm] [AMDGPU] Handle S_GETREG_B32_const in the hazard recognizer. NFCI (PR #160364)
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Tue Sep 23 11:46:27 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-amdgpu
Author: Stanislav Mekhanoshin (rampitec)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/160364.diff
1 Files Affected:
- (modified) llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp (+1-1)
``````````diff
diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
index a3b64aee297b2..81da6325b81ba 100644
--- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
@@ -82,7 +82,7 @@ static bool isDivFMas(unsigned Opcode) {
}
static bool isSGetReg(unsigned Opcode) {
- return Opcode == AMDGPU::S_GETREG_B32;
+ return Opcode == AMDGPU::S_GETREG_B32 || Opcode == AMDGPU::S_GETREG_B32_const;
}
static bool isSSetReg(unsigned Opcode) {
``````````
</details>
https://github.com/llvm/llvm-project/pull/160364
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