[llvm-commits] [llvm] r164794 - in /llvm/trunk: lib/CodeGen/RegisterCoalescer.cpp test/CodeGen/ARM/reg_sequence.ll

[Jakob Stoklund Olesen]

Author: stoklund
Date: Thu Sep 27 16:06:02 2012
New Revision: 164794

URL: http://llvm.org/viewvc/llvm-project?rev=164794&view=rev
Log:
Enable the new coalescer algorithm by default.

The new coalescer is better at merging values into unused vector lanes,
improving NEON code.

Modified:
    llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp
    llvm/trunk/test/CodeGen/ARM/reg_sequence.ll

Modified: llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp?rev=164794&r1=164793&r2=164794&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp Thu Sep 27 16:06:02 2012
@@ -70,7 +70,7 @@
 
 // Temporary option for testing new coalescer algo.
 static cl::opt<bool>
-NewCoalescer("new-coalescer", cl::Hidden,
+NewCoalescer("new-coalescer", cl::Hidden, cl::init(true),
              cl::desc("Use new coalescer algorithm"));
 
 namespace {

Modified: llvm/trunk/test/CodeGen/ARM/reg_sequence.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/reg_sequence.ll?rev=164794&r1=164793&r2=164794&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/reg_sequence.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/reg_sequence.ll Thu Sep 27 16:06:02 2012
@@ -124,7 +124,6 @@
 return2:
 ; CHECK:        %return2
 ; CHECK:        vadd.i32
-; CHECK:        vorr {{q[0-9]+}}, {{q[0-9]+}}
 ; CHECK-NOT:    vmov
 ; CHECK:        vst2.32 {d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}}
   %tmp100 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 0 ; <<4 x i32>> [#uses=1]