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; RUN: opt < %s -ipsccp -S | FileCheck %s
; Don't constant-propagate byval pointers, since they are not pointers!
; PR5038
%struct.MYstr = type { i8, i32 }
@mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3]
define internal void @vfu1(%struct.MYstr* byval align 4 %u) nounwind {
entry:
%0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1]
store i32 99, i32* %0, align 4
; CHECK: %struct.MYstr* %u
%1 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
store i8 97, i8* %1, align 4
; CHECK: %struct.MYstr* %u
br label %return
return: ; preds = %entry
ret void
}
define internal i32 @vfu2(%struct.MYstr* byval align 4 %u) nounwind readonly {
entry:
%0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1]
%1 = load i32, i32* %0
; CHECK: %struct.MYstr* @mystr, i{{..}} 0, i32 1
%2 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
%3 = load i8, i8* %2
; CHECK: %struct.MYstr* @mystr, i{{..}} 0, i32 0
%4 = zext i8 %3 to i32
%5 = add i32 %4, %1
ret i32 %5
}
define i32 @unions() nounwind {
entry:
call void @vfu1(%struct.MYstr* byval align 4 @mystr) nounwind
%result = call i32 @vfu2(%struct.MYstr* byval align 4 @mystr) nounwind
; CHECK: ret i32 %result
ret i32 %result
}
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