[AMDGPU][SIOptimizeVGPRLiveRange] Add setpreservesCFG in the legacy pass flow.

[cdevadas]

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[cdevadas]

• [AMDGPU][SIOptimizeVGPRLiveRange] Add setpreservesCFG in the legacy pass flow. #118256 👈 (View in Graphite)
• main

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[llvmbot]

@llvm/pr-subscribers-backend-amdgpu

Author: Christudasan Devadasan (cdevadas)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/118256.diff

1 Files Affected:

• (modified) llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp (+1)

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>();

[rovka]

LGTM

[cdevadas]

Merge activity

• Dec 2, 12:44 PM EST: A user started a stack merge that includes this pull request via Graphite.
• Dec 2, 12:46 PM EST: A user merged this pull request with Graphite.