xref: /llvm-project/llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll (revision acdc419c897f8a9414c7a00c8908ac32312afee2)
1; RUN: opt < %s -passes=instcombine -S | grep lshr
2; Verify this is not turned into -1.
3
4define i32 @test(i8 %amt) {
5        %shift.upgrd.1 = zext i8 %amt to i32            ; <i32> [#uses=1]
6        %B = lshr i32 -1, %shift.upgrd.1                ; <i32> [#uses=1]
7        ret i32 %B
8}
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