[X86FastISel] Avoid ConstantExpr::getZExt() (NFC)

nikic · nikic · commit 1b7285bf3ee7 · 2023-09-28T16:06:24.000+02:00
Work on APInt instead.
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -3284,9 +3284,9 @@ bool X86FastISel::fastLowerCall(CallLoweringInfo &CLI) {
     if (auto *CI = dyn_cast<ConstantInt>(Val)) {
       if (CI->getBitWidth() < 32) {
         if (Flags.isSExt())
-          Val = ConstantExpr::getSExt(CI, Type::getInt32Ty(CI->getContext()));
+          Val = ConstantInt::get(CI->getContext(), CI->getValue().sext(32));
         else
-          Val = ConstantExpr::getZExt(CI, Type::getInt32Ty(CI->getContext()));
+          Val = ConstantInt::get(CI->getContext(), CI->getValue().zext(32));
       }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -3284,9 +3284,9 @@ bool X86FastISel::fastLowerCall(CallLoweringInfo &CLI) {`
`3284`	`3284`	`if (auto *CI = dyn_cast<ConstantInt>(Val)) {`
`3285`	`3285`	`if (CI->getBitWidth() < 32) {`
`3286`	`3286`	`if (Flags.isSExt())`
`3287`		`- Val = ConstantExpr::getSExt(CI, Type::getInt32Ty(CI->getContext()));`
	`3287`	`+ Val = ConstantInt::get(CI->getContext(), CI->getValue().sext(32));`
`3288`	`3288`	`else`
`3289`		`- Val = ConstantExpr::getZExt(CI, Type::getInt32Ty(CI->getContext()));`
	`3289`	`+ Val = ConstantInt::get(CI->getContext(), CI->getValue().zext(32));`
`3290`	`3290`	`}`
`3291`	`3291`	`}`
`3292`	`3292`