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-rw-r--r--test/CodeGen/X86/vec-sign.ll30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec-sign.ll b/test/CodeGen/X86/vec-sign.ll
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+++ 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
+}
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