Add patterns for converting stores of subvector_extracts of lower 128-bits of a 256-bit vector to VMOVAPSmr/VMOVUPSmr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163292 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 51 insertions, 9 deletions

diff --git a/test/CodeGen/X86/avx-vextractf128.ll b/test/CodeGen/X86/avx-vextractf128.ll
index a900eeb060..ff56a45499 100644
--- a/test/CodeGen/X86/avx-vextractf128.ll
+++ b/test/CodeGen/X86/avx-vextractf128.ll
@@ -19,12 +19,12 @@ entry:
 }
 
 ; CHECK: @t0
-; CHECK-NOT: vextractf128 $0, %ymm0, %xmm0
+; CHECK-NOT: vextractf128 $1, %ymm0, %xmm0
 ; CHECK-NOT: vmovaps %xmm0, (%rdi)
-; CHECK: vextractf128 $0, %ymm0, (%rdi)
+; CHECK: vextractf128 $1, %ymm0, (%rdi)
 define void @t0(float* nocapture %addr, <8 x float> %a) nounwind uwtable ssp {
 entry:
-  %0 = tail call <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float> %a, i8 0)
+  %0 = tail call <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float> %a, i8 1)
   %1 = bitcast float* %addr to <4 x float>*
   store <4 x float> %0, <4 x float>* %1, align 16
   ret void
@@ -33,12 +33,12 @@ entry:
 declare <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float>, i8) nounwind readnone
 
 ; CHECK: @t2
-; CHECK-NOT: vextractf128 $0, %ymm0, %xmm0
+; CHECK-NOT: vextractf128 $1, %ymm0, %xmm0
 ; CHECK-NOT: vmovaps %xmm0, (%rdi)
-; CHECK: vextractf128 $0, %ymm0, (%rdi)
+; CHECK: vextractf128 $1, %ymm0, (%rdi)
 define void @t2(double* nocapture %addr, <4 x double> %a) nounwind uwtable ssp {
 entry:
-  %0 = tail call <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double> %a, i8 0)
+  %0 = tail call <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double> %a, i8 1)
   %1 = bitcast double* %addr to <2 x double>*
   store <2 x double> %0, <2 x double>* %1, align 16
   ret void
@@ -47,16 +47,58 @@ entry:
 declare <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double>, i8) nounwind readnone
 
 ; CHECK: @t4
-; CHECK-NOT: vextractf128 $0, %ymm0, %xmm0
+; CHECK-NOT: vextractf128 $1, %ymm0, %xmm0
 ; CHECK-NOT: vmovaps %xmm0, (%rdi)
-; CHECK: vextractf128 $0, %ymm0, (%rdi)
+; CHECK: vextractf128 $1, %ymm0, (%rdi)
 define void @t4(<2 x i64>* nocapture %addr, <4 x i64> %a) nounwind uwtable ssp {
 entry:
   %0 = bitcast <4 x i64> %a to <8 x i32>
-  %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 0)
+  %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 1)
   %2 = bitcast <4 x i32> %1 to <2 x i64>
   store <2 x i64> %2, <2 x i64>* %addr, align 16
   ret void
 }
 
 declare <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32>, i8) nounwind readnone
+
+; CHECK: @t5
+; CHECK: vmovaps %xmm0, (%rdi)
+define void @t5(float* nocapture %addr, <8 x float> %a) nounwind uwtable ssp {
+entry:
+  %0 = tail call <4 x float> @llvm.x86.avx.vextractf128.ps.256(<8 x float> %a, i8 0)
+  %1 = bitcast float* %addr to <4 x float>*
+  store <4 x float> %0, <4 x float>* %1, align 16
+  ret void
+}
+
+; CHECK: @t6
+; CHECK: vmovaps %xmm0, (%rdi)
+define void @t6(double* nocapture %addr, <4 x double> %a) nounwind uwtable ssp {
+entry:
+  %0 = tail call <2 x double> @llvm.x86.avx.vextractf128.pd.256(<4 x double> %a, i8 0)
+  %1 = bitcast double* %addr to <2 x double>*
+  store <2 x double> %0, <2 x double>* %1, align 16
+  ret void
+}
+
+; CHECK: @t7
+; CHECK: vmovaps %xmm0, (%rdi)
+define void @t7(<2 x i64>* nocapture %addr, <4 x i64> %a) nounwind uwtable ssp {
+entry:
+  %0 = bitcast <4 x i64> %a to <8 x i32>
+  %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 0)
+  %2 = bitcast <4 x i32> %1 to <2 x i64>
+  store <2 x i64> %2, <2 x i64>* %addr, align 16
+  ret void
+}
+
+; CHECK: @t8
+; CHECK: vmovups %xmm0, (%rdi)
+define void @t8(<2 x i64>* nocapture %addr, <4 x i64> %a) nounwind uwtable ssp {
+entry:
+  %0 = bitcast <4 x i64> %a to <8 x i32>
+  %1 = tail call <4 x i32> @llvm.x86.avx.vextractf128.si.256(<8 x i32> %0, i8 0)
+  %2 = bitcast <4 x i32> %1 to <2 x i64>
+  store <2 x i64> %2, <2 x i64>* %addr, align 1
+  ret void
+}