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487119a08c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117156 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
880 B
LLVM
31 lines
880 B
LLVM
; RUN: llc < %s -march=arm -mattr=+v6 | FileCheck %s
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define i32 @test1(i32 %X) {
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; CHECK: test1
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; CHECK: rev16 r0, r0
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%tmp1 = lshr i32 %X, 8
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%X15 = bitcast i32 %X to i32
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%tmp4 = shl i32 %X15, 8
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%tmp2 = and i32 %tmp1, 16711680
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%tmp5 = and i32 %tmp4, -16777216
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%tmp9 = and i32 %tmp1, 255
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%tmp13 = and i32 %tmp4, 65280
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%tmp6 = or i32 %tmp5, %tmp2
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%tmp10 = or i32 %tmp6, %tmp13
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%tmp14 = or i32 %tmp10, %tmp9
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ret i32 %tmp14
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}
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define i32 @test2(i32 %X) {
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; CHECK: test2
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; CHECK: revsh r0, r0
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%tmp1 = lshr i32 %X, 8
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%tmp1.upgrd.1 = trunc i32 %tmp1 to i16
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%tmp3 = trunc i32 %X to i16
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%tmp2 = and i16 %tmp1.upgrd.1, 255
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%tmp4 = shl i16 %tmp3, 8
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%tmp5 = or i16 %tmp2, %tmp4
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%tmp5.upgrd.2 = sext i16 %tmp5 to i32
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ret i32 %tmp5.upgrd.2
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}
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