[llvm-commits] [llvm] r61078 - in /llvm/trunk: lib/CodeGen/PostRASchedulerList.cpp test/CodeGen/X86/break-anti-dependencies.ll

[Dan Gohman]

Author: djg
Date: Tue Dec 16 00:21:45 2008
New Revision: 61078

URL: http://llvm.org/viewvc/llvm-project?rev=61078&view=rev
Log:
Enable anti-dependence breaking by default when post-RA scheduling is enabled.

Modified:
    llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp
    llvm/trunk/test/CodeGen/X86/break-anti-dependencies.ll

Modified: llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp?rev=61078&r1=61077&r2=61078&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp (original)
+++ llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp Tue Dec 16 00:21:45 2008
@@ -43,7 +43,7 @@
 static cl::opt<bool>
 EnableAntiDepBreaking("break-anti-dependencies",
                       cl::desc("Break scheduling anti-dependencies"),
-                      cl::init(false));
+                      cl::init(true));
 
 namespace {
   class VISIBILITY_HIDDEN PostRAScheduler : public MachineFunctionPass {

Modified: llvm/trunk/test/CodeGen/X86/break-anti-dependencies.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/break-anti-dependencies.ll?rev=61078&r1=61077&r2=61078&view=diff

==============================================================================
--- llvm/trunk/test/CodeGen/X86/break-anti-dependencies.ll (original)
+++ llvm/trunk/test/CodeGen/X86/break-anti-dependencies.ll Tue Dec 16 00:21:45 2008
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -march=x86-64 -disable-post-RA-scheduler=false > %t
+; RUN: llvm-as < %s | llc -march=x86-64 -disable-post-RA-scheduler=false -break-anti-dependencies=false > %t
 ; RUN:   grep {%xmm0} %t | count 14
 ; RUN:   not grep {%xmm1} %t
 ; RUN: llvm-as < %s | llc -march=x86-64 -disable-post-RA-scheduler=false -break-anti-dependencies > %t