| ; RUN: llc -mtriple x86_64-apple-darwin -O0 -o - < %s | FileCheck %s |
| ; Make sure we only use the less significant bit of the value that feeds the |
| ; select. Otherwise, we may account for a non-zero value whereas the |
| ; lsb is zero. |
| ; <rdar://problem/15651765> |
| |
| ; CHECK-LABEL: fastisel_select: |
| ; CHECK: subb {{%[a-z0-9]+}}, [[RES:%[a-z0-9]+]] |
| ; CHECK: testb $1, [[RES]] |
| ; CHECK: cmovnel %edi, %esi |
| define i32 @fastisel_select(i1 %exchSub2211_, i1 %trunc_8766) { |
| %shuffleInternal15257_8932 = sub i1 %exchSub2211_, %trunc_8766 |
| %counter_diff1345 = select i1 %shuffleInternal15257_8932, i32 1204476887, i32 0 |
| ret i32 %counter_diff1345 |
| } |
| |
