1 files changed, 58 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx-vinsertf128.ll b/test/CodeGen/X86/avx-vinsertf128.ll
new file mode 100644
index 0000000..cda1331
--- /dev/null
+++ b/test/CodeGen/X86/avx-vinsertf128.ll
@@ -0,0 +1,58 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck -check-prefix=CHECK-SSE %s
+
+; CHECK-NOT: vunpck
+; CHECK: vinsertf128 $1
+define <8 x float> @A(<8 x float> %a) nounwind uwtable readnone ssp {
+entry:
+  %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 8, i32 8, i32 8, i32 8, i32 0, i32 1, i32 2, i32 3>
+  ret <8 x float> %shuffle
+}
+
+; CHECK-NOT: vunpck
+; CHECK: vinsertf128 $1
+define <4 x double> @B(<4 x double> %a) nounwind uwtable readnone ssp {
+entry:
+  %shuffle = shufflevector <4 x double> %a, <4 x double> undef, <4 x i32> <i32 4, i32 4, i32 0, i32 1>
+  ret <4 x double> %shuffle
+}
+
+declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>) nounwind readnone
+
+declare <2 x double> @llvm.x86.sse2.min.sd(<2 x double>, <2 x double>) nounwind readnone
+
+; Just check that no crash happens
+; CHECK-SSE: _insert_crash
+define void @insert_crash() nounwind {
+allocas:
+  %v1.i.i451 = shufflevector <4 x double> zeroinitializer, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
+  %ret_0a.i.i.i452 = shufflevector <4 x double> %v1.i.i451, <4 x double> undef, <2 x i32> <i32 0, i32 1>
+  %vret_0.i.i.i454 = tail call <2 x double> @llvm.x86.sse2.min.pd(<2 x double> %ret_0a.i.i.i452, <2 x double> undef) nounwind
+  %ret_val.i.i.i463 = tail call <2 x double> @llvm.x86.sse2.min.sd(<2 x double> %vret_0.i.i.i454, <2 x double> undef) nounwind
+  %ret.i1.i.i464 = extractelement <2 x double> %ret_val.i.i.i463, i32 0
+  %double2float = fptrunc double %ret.i1.i.i464 to float
+  %smearinsert50 = insertelement <4 x float> undef, float %double2float, i32 3
+  %blendAsInt.i503 = bitcast <4 x float> %smearinsert50 to <4 x i32>
+  store <4 x i32> %blendAsInt.i503, <4 x i32>* undef, align 4
+  ret void
+}
+
+;; DAG Combine must remove useless vinsertf128 instructions
+
+; CHECK: DAGCombineA
+; CHECK-NOT: vinsertf128 $1
+define <4 x i32> @DAGCombineA(<4 x i32> %v1) nounwind readonly {
+  %1 = shufflevector <4 x i32> %v1, <4 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %2 = shufflevector <8 x i32> %1, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  ret <4 x i32> %2
+}
+
+; CHECK: DAGCombineB
+; CHECK: vpaddd %xmm
+; CHECK-NOT: vinsertf128  $1
+; CHECK: vpaddd %xmm
+define <8 x i32> @DAGCombineB(<8 x i32> %v1, <8 x i32> %v2) nounwind readonly {
+  %1 = add <8 x i32> %v1, %v2
+  %2 = add <8 x i32> %1, %v1
+  ret <8 x i32> %2
+}