[llvm] 3ab1481 - [RemoveDIs] Use getFirstNonPHIIt to fix crash #85472 (#85618)

[via llvm-commits]

Author: Orlando Cazalet-Hyams
Date: 2024-03-18T09:57:22Z
New Revision: 3ab1481f9aea30fd994d887c9e0801db6a219a31

URL: https://github.com/llvm/llvm-project/commit/3ab1481f9aea30fd994d887c9e0801db6a219a31
DIFF: https://github.com/llvm/llvm-project/commit/3ab1481f9aea30fd994d887c9e0801db6a219a31.diff

LOG: [RemoveDIs] Use getFirstNonPHIIt to fix crash #85472 (#85618)

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp b/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
index 0edbbf7cb0af54..f1cc4b524460e2 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
@@ -1987,7 +1987,7 @@ bool AMDGPUCodeGenPrepareImpl::visitPHINode(PHINode &I) {
   for (VectorSlice &S : Slices) {
     // We need to reset the build on each iteration, because getSlicedVal may
     // have inserted something into I's BB.
-    B.SetInsertPoint(I.getParent()->getFirstNonPHI());
+    B.SetInsertPoint(I.getParent()->getFirstNonPHIIt());
     S.NewPHI = B.CreatePHI(S.Ty, I.getNumIncomingValues());
 
     for (const auto &[Idx, BB] : enumerate(I.blocks())) {