[x86] add test for unaligned 32-byte load/store splitting; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363852 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/sandybridge-loads.ll b/test/CodeGen/X86/sandybridge-loads.ll
index 239ab1d..50766a2 100644 (file)
--- a/test/CodeGen/X86/sandybridge-loads.ll
+++ b/test/CodeGen/X86/sandybridge-loads.ll
@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=corei7-avx | FileCheck %s
 
-define void @wideloads(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind uwtable noinline ssp {
+define void @wideloads(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind {
 ; CHECK-LABEL: wideloads:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    vmovaps (%rdi), %xmm0
@@ -26,7 +26,7 @@ define void @wideloads(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwi
   ret void
 }
 
-define void @widestores(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind uwtable noinline ssp {
+define void @widestores(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind {
 ; CHECK-LABEL: widestores:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    vmovaps (%rdi), %ymm0
@@ -44,3 +44,20 @@ define void @widestores(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounw
   ret void
 }
 
+define void @widestores_unaligned_load(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind {
+; CHECK-LABEL: widestores_unaligned_load:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vmovaps (%rdi), %ymm0
+; CHECK-NEXT:    vmovaps (%rsi), %xmm1
+; CHECK-NEXT:    vmovaps 16(%rsi), %xmm2
+; CHECK-NEXT:    vmovaps %ymm0, (%rsi)
+; CHECK-NEXT:    vmovaps %xmm2, 16(%rdi)
+; CHECK-NEXT:    vmovaps %xmm1, (%rdi)
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+  %v0 = load <8 x float>, <8 x float>* %a, align 32 ; <--- aligned
+  %v1 = load <8 x float>, <8 x float>* %b, align 16 ; <--- unaligned
+  store <8 x float> %v0, <8 x float>* %b, align 32 ; <--- aligned
+  store <8 x float> %v1, <8 x float>* %a, align 16 ; <--- unaligned
+  ret void
+}