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New testcase

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30378 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2006-09-14 21:10:06 +00:00
parent f0613e1e7c
commit a5faa83d44
1 changed files with 13 additions and 0 deletions
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test/CodeGen/X86/and-or-fold.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 | grep and | wc -l | grep 1
; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1
; in this case.
uint %test6(uint %x, ushort %y) {
%tmp1 = cast ushort %y to uint
%tmp2 = and uint %tmp1, 127 ; <uint> [#uses=1]
%tmp4 = shl uint %x, ubyte 16 ; <uint> [#uses=1]
%tmp5 = and uint %tmp4, 16711680 ; <uint> [#uses=1]
%tmp6 = or uint %tmp2, %tmp5 ; <uint> [#uses=1]
ret uint %tmp6
}