mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; RUN: llvm-as <%s | opt -ipsccp | llvm-dis | 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* %u, i32 0, i32 1 ; <i32*> [#uses=1]
|
|
store i32 99, i32* %0, align 4
|
|
; CHECK: %struct.MYstr* %u
|
|
%1 = getelementptr %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* %u, i32 0, i32 1 ; <i32*> [#uses=1]
|
|
%1 = load i32* %0
|
|
; CHECK: load i32* getelementptr inbounds (%struct.MYstr* @mystr, i32 0, i32 1)
|
|
%2 = getelementptr %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
|
|
%3 = load i8* %2
|
|
; CHECK: load i8* getelementptr inbounds (%struct.MYstr* @mystr, i32 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
|
|
|
|
ret i32 %result
|
|
}
|
|
|