[MemCpyOpt] Simplify find*Alignment

aqjune · aqjune · commit 5687acf431de · 2020-02-06T06:42:07.000+09:00
diff --git a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -146,13 +146,12 @@ bool MemsetRange::isProfitableToUseMemset(const DataLayout &DL) const {
 
 
 static Align findStoreAlignment(const DataLayout &DL, const StoreInst *SI) {
-  return DL.getValueOrABITypeAlignment(MaybeAlign(SI->getAlignment()),
+  return DL.getValueOrABITypeAlignment(SI->getAlign(),
                                        SI->getOperand(0)->getType());
 }
 
 static Align findLoadAlignment(const DataLayout &DL, const LoadInst *LI) {
-  return DL.getValueOrABITypeAlignment(MaybeAlign(LI->getAlignment()),
-                                       LI->getType());
+  return DL.getValueOrABITypeAlignment(LI->getAlign(), LI->getType());
 }
 
 static Align findCommonAlignment(const DataLayout &DL, const StoreInst *SI,

Original file line number	Diff line number	Diff line change
`@@ -146,13 +146,12 @@ bool MemsetRange::isProfitableToUseMemset(const DataLayout &DL) const {`
`146`	`146`
`147`	`147`
`148`	`148`	`static Align findStoreAlignment(const DataLayout &DL, const StoreInst *SI) {`
`149`		`- return DL.getValueOrABITypeAlignment(MaybeAlign(SI->getAlignment()),`
	`149`	`+ return DL.getValueOrABITypeAlignment(SI->getAlign(),`
`150`	`150`	`SI->getOperand(0)->getType());`
`151`	`151`	`}`
`152`	`152`
`153`	`153`	`static Align findLoadAlignment(const DataLayout &DL, const LoadInst *LI) {`
`154`		`- return DL.getValueOrABITypeAlignment(MaybeAlign(LI->getAlignment()),`
`155`		`- LI->getType());`
	`154`	`+ return DL.getValueOrABITypeAlignment(LI->getAlign(), LI->getType());`
`156`	`155`	`}`
`157`	`156`
`158`	`157`	`static Align findCommonAlignment(const DataLayout &DL, const StoreInst *SI,`