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author | Juergen Ributzka <juergen@apple.com> | 2014-06-23 21:55:36 +0000 |
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committer | Juergen Ributzka <juergen@apple.com> | 2014-06-23 21:55:36 +0000 |
commit | 6ef06f9159950b14db7f40f1fd37aa53ca2e955b (patch) | |
tree | 86a626daa9e9a0d5eed4b2c259ce6ba967d27467 /llvm/test/CodeGen/X86/fast-isel-select.ll | |
parent | c3f9b5a53458bb66899d6e90e9e032dfdfa5ba2b (diff) | |
download | bcm5719-llvm-6ef06f9159950b14db7f40f1fd37aa53ca2e955b.tar.gz bcm5719-llvm-6ef06f9159950b14db7f40f1fd37aa53ca2e955b.zip |
[FastISel][X86] Optimize selects when the condition comes from a compare.
Optimize the select instructions sequence to use the EFLAGS directly from a
compare when possible.
llvm-svn: 211543
Diffstat (limited to 'llvm/test/CodeGen/X86/fast-isel-select.ll')
-rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-select.ll | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-select.ll b/llvm/test/CodeGen/X86/fast-isel-select.ll index 53158bc5396..7b3c99f13cc 100644 --- a/llvm/test/CodeGen/X86/fast-isel-select.ll +++ b/llvm/test/CodeGen/X86/fast-isel-select.ll @@ -4,10 +4,10 @@ ; lsb is zero. ; <rdar://problem/15651765> -; CHECK-LABEL: fastisel_select: +; CHECK-LABEL: fastisel_select: ; CHECK: subb {{%[a-z0-9]+}}, [[RES:%[a-z0-9]+]] ; CHECK: testb $1, [[RES]] -; CHECK: cmovel +; 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 |