summaryrefslogtreecommitdiffstats
path: root/llvm/test/CodeGen/X86/avx-load-store.ll
diff options
context:
space:
mode:
authorBruno Cardoso Lopes <bruno.cardoso@gmail.com>2011-08-11 21:50:35 +0000
committerBruno Cardoso Lopes <bruno.cardoso@gmail.com>2011-08-11 21:50:35 +0000
commit9eb3762e086aea376201bf9320c1e03bcc2f29b7 (patch)
treedcc51be2f5b71770efd7d0083e069984865870aa /llvm/test/CodeGen/X86/avx-load-store.ll
parent0861be0c304651c590104a0a5b3023e46703f709 (diff)
downloadbcm5719-llvm-9eb3762e086aea376201bf9320c1e03bcc2f29b7.tar.gz
bcm5719-llvm-9eb3762e086aea376201bf9320c1e03bcc2f29b7.zip
Fix the test added by Nadav in r137308. Make it more strict:
1) check for the "v" version of movaps 2) add a couple of CHECK-NOT to guarantee the behavior 3) move to a more appropriate test file llvm-svn: 137361
Diffstat (limited to 'llvm/test/CodeGen/X86/avx-load-store.ll')
-rw-r--r--llvm/test/CodeGen/X86/avx-load-store.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/avx-load-store.ll b/llvm/test/CodeGen/X86/avx-load-store.ll
index d191af88638..f70291b96e1 100644
--- a/llvm/test/CodeGen/X86/avx-load-store.ll
+++ b/llvm/test/CodeGen/X86/avx-load-store.ll
@@ -64,3 +64,17 @@ define void @storev32i8_01(<32 x i8> %a) nounwind {
unreachable
}
+; It is faster to make two saves, if the data is already in XMM registers. For
+; example, after making an integer operation.
+; CHECK: _double_save
+; CHECK-NOT: vinsertf128 $1
+; CHECK-NOT: vinsertf128 $0
+; CHECK: vmovaps %xmm
+; CHECK: vmovaps %xmm
+define void @double_save(<4 x i32> %A, <4 x i32> %B, <8 x i32>* %P) nounwind ssp {
+entry:
+ %Z = shufflevector <4 x i32>%A, <4 x i32>%B, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ store <8 x i32> %Z, <8 x i32>* %P, align 16
+ ret void
+}
+
OpenPOWER on IntegriCloud