[RemoveDIs] Use getFirstNonPHIIt to fix crash #85472

[OCHyams]

No description provided.

[llvmbot]

@llvm/pr-subscribers-debuginfo

@llvm/pr-subscribers-backend-amdgpu

Author: Orlando Cazalet-Hyams (OCHyams)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/85618.diff

1 Files Affected:

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

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())) {

[CarlosAlbertoEnciso]

LGTM.