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| ; RUN: opt < %s -instcombine -S | not grep 34
|
| define i32 @test(i32 %X) {
| ; Do not fold into shr X, 34, as this uses undefined behavior!
| %Y = ashr i32 %X, 17 ; <i32> [#uses=1]
| %Z = ashr i32 %Y, 17 ; <i32> [#uses=1]
| ret i32 %Z
| }
|
| define i32 @test2(i32 %X) {
| ; Do not fold into shl X, 34, as this uses undefined behavior!
| %Y = shl i32 %X, 17 ; <i32> [#uses=1]
| %Z = shl i32 %Y, 17 ; <i32> [#uses=1]
| ret i32 %Z
| }
|
|
