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1; RUN: opt < %s -passes=instcombine -S | not grep 342 3define i32 @test(i32 %X) {4 ; Do not fold into shr X, 34, as this uses undefined behavior!5 %Y = ashr i32 %X, 17 ; <i32> [#uses=1]6 %Z = ashr i32 %Y, 17 ; <i32> [#uses=1]7 ret i32 %Z8}9 10define i32 @test2(i32 %X) {11 ; Do not fold into shl X, 34, as this uses undefined behavior!12 %Y = shl i32 %X, 17 ; <i32> [#uses=1]13 %Z = shl i32 %Y, 17 ; <i32> [#uses=1]14 ret i32 %Z15}16