From 11e1c61b8635e92406ebea2ff3b243f1fe8b3025 Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Wed, 1 Oct 2014 20:56:57 +0000
Subject: [PATCH] [x86] Merge the interesting test cases from blend-msb.ll into
 vector-blend.ll and remove the former.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218814 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/blend-msb.ll    | 40 --------------------------------
 test/CodeGen/X86/vector-blend.ll | 18 ++++++++++++++
 2 files changed, 18 insertions(+), 40 deletions(-)
 delete mode 100644 test/CodeGen/X86/blend-msb.ll

diff --git a/test/CodeGen/X86/blend-msb.ll b/test/CodeGen/X86/blend-msb.ll
deleted file mode 100644
index 34aaf2c31ac..00000000000
--- a/test/CodeGen/X86/blend-msb.ll
+++ /dev/null
@@ -1,40 +0,0 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -mattr=+sse4.1 | FileCheck %s
-
-
-; Verify that we produce movss instead of blendvps when possible.
-
-;CHECK-LABEL: vsel_float:
-;CHECK-NOT: blend
-;CHECK: movss
-;CHECK: ret
-define <4 x float> @vsel_float(<4 x float> %v1, <4 x float> %v2) {
-  %vsel = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x float> %v1, <4 x float> %v2
-  ret <4 x float> %vsel
-}
-
-;CHECK-LABEL: vsel_4xi8:
-;CHECK-NOT: blend
-;CHECK: movss
-;CHECK: ret
-define <4 x i8> @vsel_4xi8(<4 x i8> %v1, <4 x i8> %v2) {
-  %vsel = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x i8> %v1, <4 x i8> %v2
-  ret <4 x i8> %vsel
-}
-
-;CHECK-LABEL: vsel_8xi16:
-; The select mask is
-; <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>
-; which translates into the boolean mask (big endian representation):
-; 00010001 = 17.
-; '1' means takes the first argument, '0' means takes the second argument.
-; This is the opposite of the intel syntax, thus we expect
-; the inverted mask: 11101110 = 238.
-; According to the ABI:
-; v1 is in xmm0 => first argument is xmm0.
-; v2 is in xmm1 => second argument is xmm1.
-;CHECK: pblendw $238, %xmm1, %xmm0
-;CHECK: ret
-define <8 x i16> @vsel_8xi16(<8 x i16> %v1, <8 x i16> %v2) {
-  %vsel = select <8 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <8 x i16> %v1, <8 x i16> %v2
-  ret <8 x i16> %vsel
-}
diff --git a/test/CodeGen/X86/vector-blend.ll b/test/CodeGen/X86/vector-blend.ll
index 327aeff8f8f..cd581b9c536 100644
--- a/test/CodeGen/X86/vector-blend.ll
+++ b/test/CodeGen/X86/vector-blend.ll
@@ -11,6 +11,15 @@ define <4 x float> @vsel_float(<4 x float> %v1, <4 x float> %v2) {
   ret <4 x float> %vsel
 }
 
+define <4 x float> @vsel_float2(<4 x float> %v1, <4 x float> %v2) {
+; CHECK-LABEL: vsel_float2:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    vmovss %xmm0, %xmm1, %xmm0
+; CHECK-NEXT:    retq
+  %vsel = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x float> %v1, <4 x float> %v2
+  ret <4 x float> %vsel
+}
+
 define <4 x i32> @vsel_i32(<4 x i32> %v1, <4 x i32> %v2) {
 ; CHECK-LABEL: vsel_i32:
 ; CHECK:       ## BB#0:
@@ -38,6 +47,15 @@ define <2 x i64> @vsel_i64(<2 x i64> %v1, <2 x i64> %v2) {
   ret <2 x i64> %vsel
 }
 
+define <8 x i16> @vsel_8xi16(<8 x i16> %v1, <8 x i16> %v2) {
+; CHECK-LABEL: vsel_8xi16:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3],xmm0[4],xmm1[5,6,7]
+; CHECK-NEXT:    retq
+  %vsel = select <8 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <8 x i16> %v1, <8 x i16> %v2
+  ret <8 x i16> %vsel
+}
+
 define <16 x i8> @vsel_i8(<16 x i8> %v1, <16 x i8> %v2) {
 ; CHECK-LABEL: vsel_i8:
 ; CHECK:       ## BB#0: