[llvm] 7c26749 - NVPTX: Fix using getVRegDef on a physical register (#216735)

[via llvm-commits]

Author: Matt Arsenault
Date: 2026-08-17T18:31:08+02:00
New Revision: 7c26749bab308ca21a8145dcaa403f59b32ac29f

URL: https://github.com/llvm/llvm-project/commit/7c26749bab308ca21a8145dcaa403f59b32ac29f
DIFF: https://github.com/llvm/llvm-project/commit/7c26749bab308ca21a8145dcaa403f59b32ac29f.diff

LOG: NVPTX: Fix using getVRegDef on a physical register (#216735)

Added: 
    

Modified: 
    llvm/lib/Target/NVPTX/NVPTXPeephole.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/NVPTX/NVPTXPeephole.cpp b/llvm/lib/Target/NVPTX/NVPTXPeephole.cpp
index 7f5b0bc01e2b9..119fea21f0e02 100644
--- a/llvm/lib/Target/NVPTX/NVPTXPeephole.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXPeephole.cpp
@@ -130,8 +130,8 @@ static bool runNVPTXPeephole(MachineFunction &MF) {
   // Remove unnecessary %VRFrame = cvta.local %VRFrameLocal
   const auto &MRI = MF.getRegInfo();
   if (MRI.use_empty(NRI->getFrameRegister(MF))) {
-    if (auto MI = MRI.getUniqueVRegDef(NRI->getFrameRegister(MF))) {
-      MI->eraseFromParent();
+    if (auto *MO = MRI.getOneDef(NRI->getFrameRegister(MF))) {
+      MO->getParent()->eraseFromParent();
       Changed = true;
     }
   }