Update DemoteRegToStack.cpp

gmh5225 · gmh5225 · commit 381eb04f3593 · 2023-09-05T01:57:26.000+08:00
diff --git a/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp b/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
@@ -188,7 +188,7 @@ bool llvm::DemotePHIToStack(Function &F) {
     for (PHINode *PN : PHIsToDemote) {
       Instruction *AllocaPoint = F.begin()->getTerminator();
       if (AllocaPoint) {
-        Changed = DemotePHIToStack(PN, AllocaPoint) != nullptr;
+        Changed |= DemotePHIToStack(PN, AllocaPoint) != nullptr;
       }
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -188,7 +188,7 @@ bool llvm::DemotePHIToStack(Function &F) {`
`188`	`188`	`for (PHINode *PN : PHIsToDemote) {`
`189`	`189`	`Instruction *AllocaPoint = F.begin()->getTerminator();`
`190`	`190`	`if (AllocaPoint) {`
`191`		`- Changed = DemotePHIToStack(PN, AllocaPoint) != nullptr;`
	`191`	`+ Changed \|= DemotePHIToStack(PN, AllocaPoint) != nullptr;`
`192`	`192`	`}`
`193`	`193`	`}`
`194`	`194`	`}`