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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-01-03 08:48:33 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-01-03 08:48:33 +0000 |
| commit | ab7032090871abf6aeed86b2c4b836e97771d234 (patch) | |
| tree | d6012d82ead4b8e96e4d98d662a8857ba4e0fd2b /test/CodeGen/X86 | |
| parent | e33a8b8c2f003b703b0af32effd8ef25477c2165 (diff) | |
| download | external_llvm-ab7032090871abf6aeed86b2c4b836e97771d234.zip external_llvm-ab7032090871abf6aeed86b2c4b836e97771d234.tar.gz external_llvm-ab7032090871abf6aeed86b2c4b836e97771d234.tar.bz2 | |
Simplified TRUNCATE operation that comes after SETCC. It is possible since SETCC result is 0 or -1.
Added a test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171467 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rwxr-xr-x | test/CodeGen/X86/avx-trunc.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx-trunc.ll b/test/CodeGen/X86/avx-trunc.ll index d007736..aa186a0 100755 --- a/test/CodeGen/X86/avx-trunc.ll +++ b/test/CodeGen/X86/avx-trunc.ll @@ -13,3 +13,18 @@ define <8 x i16> @trunc_32_16(<8 x i32> %A) nounwind uwtable readnone ssp{ ret <8 x i16>%B } +define <8 x i16> @trunc_after_setcc(<8 x float> %a, <8 x float> %b, <8 x float> %c, <8 x float> %d) { +; CHECK: trunc_after_setcc +; CHECK: vcmpltps +; CHECK-NOT: vextract +; CHECK: vcmpltps +; CHECK-NEXT: vandps +; CHECK-NEXT: vandps +; CHECK: ret + %res1 = fcmp olt <8 x float> %a, %b + %res2 = fcmp olt <8 x float> %c, %d + %andr = and <8 x i1>%res1, %res2 + %ex = zext <8 x i1> %andr to <8 x i16> + ret <8 x i16>%ex +} + |