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fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
1.3 KiB
LLVM
28 lines
1.3 KiB
LLVM
; RUN: llc < %s -march=arm -mattr=+v6 | grep rev16
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; RUN: llc < %s -march=arm -mattr=+v6 | grep revsh
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define i32 @test1(i32 %X) {
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%tmp1 = lshr i32 %X, 8 ; <i32> [#uses=3]
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%X15 = bitcast i32 %X to i32 ; <i32> [#uses=1]
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%tmp4 = shl i32 %X15, 8 ; <i32> [#uses=2]
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%tmp2 = and i32 %tmp1, 16711680 ; <i32> [#uses=1]
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%tmp5 = and i32 %tmp4, -16777216 ; <i32> [#uses=1]
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%tmp9 = and i32 %tmp1, 255 ; <i32> [#uses=1]
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%tmp13 = and i32 %tmp4, 65280 ; <i32> [#uses=1]
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%tmp6 = or i32 %tmp5, %tmp2 ; <i32> [#uses=1]
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%tmp10 = or i32 %tmp6, %tmp13 ; <i32> [#uses=1]
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%tmp14 = or i32 %tmp10, %tmp9 ; <i32> [#uses=1]
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ret i32 %tmp14
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}
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define i32 @test2(i32 %X) {
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%tmp1 = lshr i32 %X, 8 ; <i32> [#uses=1]
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%tmp1.upgrd.1 = trunc i32 %tmp1 to i16 ; <i16> [#uses=1]
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%tmp3 = trunc i32 %X to i16 ; <i16> [#uses=1]
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%tmp2 = and i16 %tmp1.upgrd.1, 255 ; <i16> [#uses=1]
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%tmp4 = shl i16 %tmp3, 8 ; <i16> [#uses=1]
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%tmp5 = or i16 %tmp2, %tmp4 ; <i16> [#uses=1]
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%tmp5.upgrd.2 = sext i16 %tmp5 to i32 ; <i32> [#uses=1]
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ret i32 %tmp5.upgrd.2
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}
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