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Add tests for 16-bit byteswaps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29086 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1,4 +1,4 @@
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'call.*llvm.bswap' | wc -l | grep 2
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'call.*llvm.bswap' | wc -l | grep 4
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uint %test1(uint %i) {
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%tmp1 = shr uint %i, ubyte 24 ; <uint> [#uses=1]
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@ -26,3 +26,17 @@ uint %test2(uint %arg) {
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ret uint %tmp14
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}
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ushort %test3(ushort %s) {
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%tmp2 = shr ushort %s, ubyte 8
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%tmp4 = shl ushort %s, ubyte 8
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%tmp5 = or ushort %tmp2, %tmp4
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ret ushort %tmp5
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}
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ushort %test4(ushort %s) {
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%tmp2 = shr ushort %s, ubyte 8
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%tmp4 = shl ushort %s, ubyte 8
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%tmp5 = or ushort %tmp4, %tmp2
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ret ushort %tmp5
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}
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