if (CS.paramHasAttr(ArgIdx + 1, Attribute::ReadOnly))
return MRI_Ref;
+ if (CS.paramHasAttr(ArgIdx + 1, Attribute::ReadNone))
+ return MRI_NoModRef;
+
return AAResultBase::getArgModRefInfo(CS, ArgIdx);
}
; CHECK: ret i32 %Diff
}
+; CHECK-LABEL: @test13(
+define i32 @test13(i32* %P, i32* %P2) {
+ %V1 = load i32, i32* %P
+ call i32 @func_argmemonly(i32* readnone %P2)
+ %V2 = load i32, i32* %P
+ %Diff = sub i32 %V1, %V2
+ ret i32 %Diff
+ ; CHECK-NOT: load
+ ; CHECK: ret i32 0
+}
+
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
declare void @llvm.memset.p0i8.i8(i8* nocapture, i8, i8, i32, i1) nounwind
declare void @llvm.memcpy.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i32, i1) nounwind