}
if (!Call.use_empty() && !Call.isMustTailCall())
- if (Value *ReturnedArg = Call.getReturnedArgOperand())
- return replaceInstUsesWith(Call, ReturnedArg);
+ if (Value *ReturnedArg = Call.getReturnedArgOperand()) {
+ Type *CallTy = Call.getType();
+ Type *RetArgTy = ReturnedArg->getType();
+ if (RetArgTy->canLosslesslyBitCastTo(CallTy))
+ return replaceInstUsesWith(
+ Call, Builder.CreateBitOrPointerCast(ReturnedArg, CallTy));
+ }
if (isAllocLikeFn(&Call, &TLI))
return visitAllocSite(Call);
declare i32 @passthru_i32(i32 returned)
declare i8* @passthru_p8(i8* returned)
+declare i8* @passthru_p8_from_p32(i32* returned)
+declare <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> returned)
define i32 @returned_const_int_arg() {
; CHECK-LABEL: @returned_const_int_arg(
ret i8* %x
}
+define i8* @returned_const_ptr_arg_casted() {
+; CHECK-LABEL: @returned_const_ptr_arg_casted(
+; CHECK-NEXT: [[X:%.*]] = call i8* @passthru_p8_from_p32(i32* null)
+; CHECK-NEXT: ret i8* null
+;
+ %x = call i8* @passthru_p8_from_p32(i32* null)
+ ret i8* %x
+}
+
+define i8* @returned_ptr_arg_casted(i32* %a) {
+; CHECK-LABEL: @returned_ptr_arg_casted(
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[A:%.*]] to i8*
+; CHECK-NEXT: [[X:%.*]] = call i8* @passthru_p8_from_p32(i32* [[A]])
+; CHECK-NEXT: ret i8* [[TMP1]]
+;
+ %x = call i8* @passthru_p8_from_p32(i32* %a)
+ ret i8* %x
+}
+
+@GV = constant <2 x i32> zeroinitializer
+define <8 x i8> @returned_const_vec_arg_casted() {
+; CHECK-LABEL: @returned_const_vec_arg_casted(
+; CHECK-NEXT: [[X:%.*]] = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> zeroinitializer)
+; CHECK-NEXT: ret <8 x i8> zeroinitializer
+;
+ %v = load <2 x i32>, <2 x i32>* @GV
+ %x = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> %v)
+ ret <8 x i8> %x
+}
+
+define <8 x i8> @returned_vec_arg_casted(<2 x i32> %a) {
+; CHECK-LABEL: @returned_vec_arg_casted(
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x i32> [[A:%.*]] to <8 x i8>
+; CHECK-NEXT: [[X:%.*]] = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> [[A]])
+; CHECK-NEXT: ret <8 x i8> [[TMP1]]
+;
+ %x = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> %a)
+ ret <8 x i8> %x
+}
+
define i32 @returned_var_arg(i32 %arg) {
; CHECK-LABEL: @returned_var_arg(
; CHECK-NEXT: [[X:%.*]] = call i32 @passthru_i32(i32 [[ARG:%.*]])
%x = musttail call i32 @passthru_i32(i32 %arg)
ret i32 %x
}
+