//
// into:
// call void @takes_i32_inalloca(i32* null)
- if (Callee->getAttributes().hasAttrSomewhere(Attribute::InAlloca))
+ //
+ // Similarly, avoid folding away bitcasts of byval calls.
+ if (Callee->getAttributes().hasAttrSomewhere(Attribute::InAlloca) ||
+ Callee->getAttributes().hasAttrSomewhere(Attribute::ByVal))
return false;
CallSite::arg_iterator AI = CS.arg_begin();
%call = tail call i32 bitcast (i32 (i32)* @fn4 to i32 (i32*)*)(i32* %a)
ret i32 %call
}
+
+declare i1 @fn5({ i32, i32 }* byval align 4 %r)
+
+define i1 @test5() {
+; CHECK-LABEL: @test5
+; CHECK: %[[call:.*]] = call i1 bitcast (i1 ({ i32, i32 }*)* @fn5 to i1 (i32, i32)*)(i32 {{.*}}, i32 {{.*}})
+; CHECK-NEXT: ret i1 %[[call]]
+ %1 = alloca { i32, i32 }, align 4
+ %2 = getelementptr inbounds { i32, i32 }, { i32, i32 }* %1, i32 0, i32 0
+ %3 = load i32, i32* %2, align 4
+ %4 = getelementptr inbounds { i32, i32 }, { i32, i32 }* %1, i32 0, i32 1
+ %5 = load i32, i32* %4, align 4
+ %6 = call i1 bitcast (i1 ({ i32, i32 }*)* @fn5 to i1 (i32, i32)*)(i32 %3, i32 %5)
+ ret i1 %6
+}