[llvm] c16c0e2 - [AMDGPU][SIOptimizeVGPRLiveRange] Add setpreservesCFG in the legacy pass flow. (#118256)

[via llvm-commits]

Author: Christudasan Devadasan
Date: 2024-12-02T23:16:03+05:30
New Revision: c16c0e26236d0468a2411cb3bce219d3c70650e9

URL: https://github.com/llvm/llvm-project/commit/c16c0e26236d0468a2411cb3bce219d3c70650e9
DIFF: https://github.com/llvm/llvm-project/commit/c16c0e26236d0468a2411cb3bce219d3c70650e9.diff

LOG: [AMDGPU][SIOptimizeVGPRLiveRange] Add setpreservesCFG in the legacy pass flow. (#118256)

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp b/llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp
index e0ba5fa06f37a2..ff0b9b4a7574bf 100644
--- a/llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp
+++ b/llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp
@@ -155,6 +155,7 @@ class SIOptimizeVGPRLiveRangeLegacy : public MachineFunctionPass {
   }
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesCFG();
     AU.addRequired<LiveVariablesWrapperPass>();
     AU.addRequired<MachineDominatorTreeWrapperPass>();
     AU.addRequired<MachineLoopInfoWrapperPass>();