Mercurial > hg > CbC > CbC_llvm
comparison test/CodeGen/X86/fast-isel-select.ll @ 77:54457678186b LLVM3.6
LLVM 3.6
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 08 Sep 2014 22:06:00 +0900 |
| parents | |
| children | c2174574ed3a |
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| 34:e874dbf0ad9d | 77:54457678186b |
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| 1 ; RUN: llc -mtriple x86_64-apple-darwin -O0 -o - < %s | FileCheck %s | |
| 2 ; Make sure we only use the less significant bit of the value that feeds the | |
| 3 ; select. Otherwise, we may account for a non-zero value whereas the | |
| 4 ; lsb is zero. | |
| 5 ; <rdar://problem/15651765> | |
| 6 | |
| 7 ; CHECK-LABEL: fastisel_select: | |
| 8 ; CHECK: subb {{%[a-z0-9]+}}, [[RES:%[a-z0-9]+]] | |
| 9 ; CHECK: testb $1, [[RES]] | |
| 10 ; CHECK: cmovnel %edi, %esi | |
| 11 define i32 @fastisel_select(i1 %exchSub2211_, i1 %trunc_8766) { | |
| 12 %shuffleInternal15257_8932 = sub i1 %exchSub2211_, %trunc_8766 | |
| 13 %counter_diff1345 = select i1 %shuffleInternal15257_8932, i32 1204476887, i32 0 | |
| 14 ret i32 %counter_diff1345 | |
| 15 } | |
| 16 |