From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 27 Jun 2016 16:15:37 +0000 (+0000)
Subject: [X86][SSE] Added extra broadcast tests to cover PR28327
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=17c3914be26d66a036db0eb1c51d6049e3d4719e;p=llvm

[X86][SSE] Added extra broadcast tests to cover PR28327

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273891 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/vector-shuffle-128-v4.ll b/test/CodeGen/X86/vector-shuffle-128-v4.ll
index 79d27f41e1e..8516e523aa5 100644
--- a/test/CodeGen/X86/vector-shuffle-128-v4.ll
+++ b/test/CodeGen/X86/vector-shuffle-128-v4.ll
@@ -1951,6 +1951,37 @@ define <4 x i32> @mask_v4i32_0127(<4 x i32> %a, <4 x i32> %b) {
   ret <4 x i32> %6
 }
 
+define <4 x float> @broadcast_v4f32_0101_from_v2f32(<2 x float>* %x) {
+; SSE2-LABEL: broadcast_v4f32_0101_from_v2f32:
+; SSE2:       # BB#0:
+; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
+; SSE2-NEXT:    shufpd {{.*#+}} xmm0 = xmm0[0,0]
+; SSE2-NEXT:    retq
+;
+; SSE3-LABEL: broadcast_v4f32_0101_from_v2f32:
+; SSE3:       # BB#0:
+; SSE3-NEXT:    movddup {{.*#+}} xmm0 = mem[0,0]
+; SSE3-NEXT:    retq
+;
+; SSSE3-LABEL: broadcast_v4f32_0101_from_v2f32:
+; SSSE3:       # BB#0:
+; SSSE3-NEXT:    movddup {{.*#+}} xmm0 = mem[0,0]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: broadcast_v4f32_0101_from_v2f32:
+; SSE41:       # BB#0:
+; SSE41-NEXT:    movddup {{.*#+}} xmm0 = mem[0,0]
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: broadcast_v4f32_0101_from_v2f32:
+; AVX:       # BB#0:
+; AVX-NEXT:    vmovddup {{.*#+}} xmm0 = mem[0,0]
+; AVX-NEXT:    retq
+  %1 = load <2 x float>, <2 x float>* %x, align 1
+  %2 = shufflevector <2 x float> %1, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
+  ret <4 x float> %2
+}
+
 define <4 x i32> @insert_reg_and_zero_v4i32(i32 %a) {
 ; SSE-LABEL: insert_reg_and_zero_v4i32:
 ; SSE:       # BB#0:
diff --git a/test/CodeGen/X86/vector-shuffle-256-v4.ll b/test/CodeGen/X86/vector-shuffle-256-v4.ll
index 8c50695b456..9c7ec845450 100644
--- a/test/CodeGen/X86/vector-shuffle-256-v4.ll
+++ b/test/CodeGen/X86/vector-shuffle-256-v4.ll
@@ -1394,6 +1394,28 @@ define <4 x double> @splat128_mem_v4f64_from_v2f64(<2 x double>* %ptr) {
   ret <4 x double> %shuffle
 }
 
+define <4 x double> @broadcast_v4f64_0000_from_v2i64(<2 x i64> %a0) {
+; AVX1-LABEL: broadcast_v4f64_0000_from_v2i64:
+; AVX1:       # BB#0:
+; AVX1-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: broadcast_v4f64_0000_from_v2i64:
+; AVX2:       # BB#0:
+; AVX2-NEXT:    vbroadcastsd %xmm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512VL-LABEL: broadcast_v4f64_0000_from_v2i64:
+; AVX512VL:       # BB#0:
+; AVX512VL-NEXT:    vbroadcastsd %xmm0, %ymm0
+; AVX512VL-NEXT:    retq
+  %1 = shufflevector <2 x i64> %a0, <2 x i64> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %2 = bitcast <4 x i64> %1 to <4 x double>
+  %3 = shufflevector <4 x double> %2, <4 x double> undef, <4 x i32> zeroinitializer
+  ret <4 x double> %3
+}
+
 define <4 x double> @bitcast_v4f64_0426(<4 x double> %a, <4 x double> %b) {
 ; AVX1-LABEL: bitcast_v4f64_0426:
 ; AVX1:       # BB#0: