e = SF.Caller.arg_end(); i != e; ++i, ++pNum) {
Value *V = *i;
ArgVals.push_back(getOperandValue(V, SF));
- // Promote all integral types whose size is < sizeof(i32) into i32.
- // We do this by zero or sign extending the value as appropriate
- // according to the parameter attributes
- const Type *Ty = V->getType();
- if (Ty->isInteger() && (ArgVals.back().IntVal.getBitWidth() < 32)) {
- if (CS.paramHasAttr(pNum, Attribute::ZExt))
- ArgVals.back().IntVal = ArgVals.back().IntVal.zext(32);
- else if (CS.paramHasAttr(pNum, Attribute::SExt))
- ArgVals.back().IntVal = ArgVals.back().IntVal.sext(32);
- }
}
// To handle indirect calls, we must get the pointer value from the argument
--- /dev/null
+; RUN: lli -force-interpreter
+; Extending a value due to zeroext/signext will leave it the wrong size
+; causing problems later, such as a crash if you try to extend it again.
+
+define void @zero(i8 zeroext %foo) {
+ zext i8 %foo to i32
+ ret void
+}
+
+define void @sign(i8 signext %foo) {
+ sext i8 %foo to i32
+ ret void
+}
+
+define i32 @main() {
+ call void @zero(i8 0)
+ call void @sign(i8 0)
+ ret i32 0
+}