[X86] Use getSigned() for segment offset

nikic · nikic · commit 45267ece8fab · 2025-12-09T16:02:30.000+01:00
The offset here is a signed quantity.
diff --git a/llvm/lib/Target/X86/X86ISelLoweringCall.cpp b/llvm/lib/Target/X86/X86ISelLoweringCall.cpp
@@ -553,7 +553,7 @@ static bool hasStackGuardSlotTLS(const Triple &TargetTriple) {
 static Constant* SegmentOffset(IRBuilderBase &IRB,
                                int Offset, unsigned AddressSpace) {
   return ConstantExpr::getIntToPtr(
-      ConstantInt::get(Type::getInt32Ty(IRB.getContext()), Offset),
+      ConstantInt::getSigned(Type::getInt32Ty(IRB.getContext()), Offset),
       IRB.getPtrTy(AddressSpace));
 }
 

Original file line number	Diff line number	Diff line change
`@@ -553,7 +553,7 @@ static bool hasStackGuardSlotTLS(const Triple &TargetTriple) {`
`553`	`553`	`static Constant* SegmentOffset(IRBuilderBase &IRB,`
`554`	`554`	`int Offset, unsigned AddressSpace) {`
`555`	`555`	`return ConstantExpr::getIntToPtr(`
`556`		`- ConstantInt::get(Type::getInt32Ty(IRB.getContext()), Offset),`
	`556`	`+ ConstantInt::getSigned(Type::getInt32Ty(IRB.getContext()), Offset),`
`557`	`557`	`IRB.getPtrTy(AddressSpace));`
`558`	`558`	`}`
`559`	`559`