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authorDimitry Andric <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
commit58b69754af0cbff56b1cfce9be9392e4451f6628 (patch)
treeeacfc83d988e4b9d11114387ae7dc41243f2a363 /test/CodeGen/X86/break-anti-dependencies.ll
parent0378662f5bd3dbe8305a485b0282bceb8b52f465 (diff)
Notes
Diffstat (limited to 'test/CodeGen/X86/break-anti-dependencies.ll')
-rw-r--r--test/CodeGen/X86/break-anti-dependencies.ll14
1 files changed, 8 insertions, 6 deletions
diff --git a/test/CodeGen/X86/break-anti-dependencies.ll b/test/CodeGen/X86/break-anti-dependencies.ll
index 93b20437e1e89..c94261467c9db 100644
--- a/test/CodeGen/X86/break-anti-dependencies.ll
+++ b/test/CodeGen/X86/break-anti-dependencies.ll
@@ -1,10 +1,12 @@
; Without list-burr scheduling we may not see the difference in codegen here.
-; RUN: llc < %s -march=x86-64 -post-RA-scheduler -pre-RA-sched=list-burr -break-anti-dependencies=none > %t
-; RUN: grep {%xmm0} %t | count 14
-; RUN: not grep {%xmm1} %t
-; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies=critical > %t
-; RUN: grep {%xmm0} %t | count 7
-; RUN: grep {%xmm1} %t | count 7
+; Use a subtarget that has post-RA scheduling enabled because the anti-dependency
+; breaker requires liveness information to be kept.
+; RUN: llc < %s -march=x86-64 -mcpu=atom -post-RA-scheduler -pre-RA-sched=list-burr -break-anti-dependencies=none > %t
+; RUN: grep "%xmm0" %t | count 14
+; RUN: not grep "%xmm1" %t
+; RUN: llc < %s -march=x86-64 -mcpu=atom -post-RA-scheduler -break-anti-dependencies=critical > %t
+; RUN: grep "%xmm0" %t | count 7
+; RUN: grep "%xmm1" %t | count 7
define void @goo(double* %r, double* %p, double* %q) nounwind {
entry: