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205b641954
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. llvm-svn: 81537
20 lines
668 B
LLVM
20 lines
668 B
LLVM
; RUN: opt < %s -instcombine -S | \
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; RUN: grep {lshr i32} | count 2
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; RUN: opt < %s -instcombine -S | not grep ashr
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define i32 @test1(i32 %X, i8 %A) {
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%shift.upgrd.1 = zext i8 %A to i32 ; <i32> [#uses=1]
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; can be logical shift.
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%Y = ashr i32 %X, %shift.upgrd.1 ; <i32> [#uses=1]
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%Z = and i32 %Y, 1 ; <i32> [#uses=1]
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ret i32 %Z
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}
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define i32 @test2(i8 %tmp) {
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%tmp3 = zext i8 %tmp to i32 ; <i32> [#uses=1]
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%tmp4 = add i32 %tmp3, 7 ; <i32> [#uses=1]
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%tmp5 = ashr i32 %tmp4, 3 ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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