From ab7032090871abf6aeed86b2c4b836e97771d234 Mon Sep 17 00:00:00 2001 From: Elena Demikhovsky Date: Thu, 3 Jan 2013 08:48:33 +0000 Subject: 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 --- test/CodeGen/X86/avx-trunc.ll | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'test/CodeGen/X86') 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 +} + -- cgit v1.1