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Diffstat (limited to 'test/CodeGen/X86/vec-sign.ll')
-rw-r--r-- | test/CodeGen/X86/vec-sign.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec-sign.ll b/test/CodeGen/X86/vec-sign.ll new file mode 100644 index 0000000..31b9c2e --- /dev/null +++ b/test/CodeGen/X86/vec-sign.ll @@ -0,0 +1,30 @@ +; RUN: llc < %s -march=x86 -mcpu=nehalem | FileCheck %s + +define <4 x i32> @signd(<4 x i32> %a, <4 x i32> %b) nounwind { +entry: +; CHECK: signd: +; CHECK: psignd +; CHECK-NOT: sub +; CHECK: ret + %b.lobit = ashr <4 x i32> %b, <i32 31, i32 31, i32 31, i32 31> + %sub = sub nsw <4 x i32> zeroinitializer, %a + %0 = xor <4 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1> + %1 = and <4 x i32> %a, %0 + %2 = and <4 x i32> %b.lobit, %sub + %cond = or <4 x i32> %1, %2 + ret <4 x i32> %cond +} + +define <4 x i32> @blendvb(<4 x i32> %b, <4 x i32> %a, <4 x i32> %c) nounwind { +entry: +; CHECK: blendvb: +; CHECK: pblendvb +; CHECK: ret + %b.lobit = ashr <4 x i32> %b, <i32 31, i32 31, i32 31, i32 31> + %sub = sub nsw <4 x i32> zeroinitializer, %a + %0 = xor <4 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1> + %1 = and <4 x i32> %c, %0 + %2 = and <4 x i32> %a, %b.lobit + %cond = or <4 x i32> %1, %2 + ret <4 x i32> %cond +} |