X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FCodeGen%2FX86%2Favx-vinsertf128.ll;h=38389de7a8a10f5321814c970a05c669bcfa67e9;hb=e4ee51a0058c4d5aee56af2b4301d15678d4cc3e;hp=8813a7f6ab8215b7dd4852e53ebf9e87759c20bf;hpb=97136c922ec4b492584cb91c1fc1cdcb40983ecf;p=oota-llvm.git

diff --git a/test/CodeGen/X86/avx-vinsertf128.ll b/test/CodeGen/X86/avx-vinsertf128.ll
index 8813a7f6ab8..38389de7a8a 100644
--- a/test/CodeGen/X86/avx-vinsertf128.ll
+++ b/test/CodeGen/X86/avx-vinsertf128.ll
@@ -1,6 +1,6 @@
-; 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
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx | FileCheck %s
 
+; CHECK-LABEL: A:
 ; CHECK-NOT: vunpck
 ; CHECK: vinsertf128 $1
 define <8 x float> @A(<8 x float> %a) nounwind uwtable readnone ssp {
@@ -9,6 +9,7 @@ entry:
   ret <8 x float> %shuffle
 }
 
+; CHECK-LABEL: B:
 ; CHECK-NOT: vunpck
 ; CHECK: vinsertf128 $1
 define <4 x double> @B(<4 x double> %a) nounwind uwtable readnone ssp {
@@ -22,7 +23,7 @@ declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>) nounwind
 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
+; CHECK-LABEL: _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>
@@ -37,10 +38,74 @@ allocas:
   ret void
 }
 
-; CHECK: _C
+;; DAG Combine must remove useless vinsertf128 instructions
+
+; CHECK-LABEL: DAGCombineA:
 ; CHECK-NOT: vinsertf128 $1
-define <4 x i32> @C(<4 x i32> %v1) nounwind readonly {
+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-LABEL: 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
+}
+
+; CHECK-LABEL: insert_undef_pd:
+define <4 x double> @insert_undef_pd(<4 x double> %a0, <2 x double> %a1) {
+; CHECK: vmovaps	%ymm1, %ymm0
+%res = call <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double> undef, <2 x double> %a1, i8 0)
+ret <4 x double> %res
+}
+declare <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double>, <2 x double>, i8) nounwind readnone
+
+
+; CHECK-LABEL: insert_undef_ps:
+define <8 x float> @insert_undef_ps(<8 x float> %a0, <4 x float> %a1) {
+; CHECK: vmovaps	%ymm1, %ymm0
+%res = call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %a1, i8 0)
+ret <8 x float> %res
+}
+declare <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float>, <4 x float>, i8) nounwind readnone
+
+
+; CHECK-LABEL: insert_undef_si:
+define <8 x i32> @insert_undef_si(<8 x i32> %a0, <4 x i32> %a1) {
+; CHECK: vmovaps	%ymm1, %ymm0
+%res = call <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32> undef, <4 x i32> %a1, i8 0)
+ret <8 x i32> %res
+}
+declare <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32>, <4 x i32>, i8) nounwind readnone
+
+; rdar://10643481
+; CHECK-LABEL: vinsertf128_combine:
+define <8 x float> @vinsertf128_combine(float* nocapture %f) nounwind uwtable readonly ssp {
+; CHECK-NOT: vmovaps
+; CHECK: vinsertf128
+entry:
+  %add.ptr = getelementptr inbounds float, float* %f, i64 4
+  %0 = bitcast float* %add.ptr to <4 x float>*
+  %1 = load <4 x float>, <4 x float>* %0, align 16
+  %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %1, i8 1)
+  ret <8 x float> %2
+}
+
+; rdar://11076953
+; CHECK-LABEL: vinsertf128_ucombine:
+define <8 x float> @vinsertf128_ucombine(float* nocapture %f) nounwind uwtable readonly ssp {
+; CHECK-NOT: vmovups
+; CHECK: vinsertf128
+entry:
+  %add.ptr = getelementptr inbounds float, float* %f, i64 4
+  %0 = bitcast float* %add.ptr to <4 x float>*
+  %1 = load <4 x float>, <4 x float>* %0, align 8
+  %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %1, i8 1)
+  ret <8 x float> %2
+}