[llvm-commits] [llvm] r106935 - /llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp

[Evan Cheng]

Author: evancheng
Date: Fri Jun 25 20:52:05 2010
New Revision: 106935

URL: http://llvm.org/viewvc/llvm-project?rev=106935&view=rev
Log:
It's now possible to run code placement pass for ARM.

Modified:
    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=106935&r1=106934&r2=106935&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Fri Jun 25 20:52:05 2010
@@ -67,6 +67,11 @@
   cl::desc("Enable / disable ARM interworking (for debugging only)"),
   cl::init(true));
 
+static cl::opt<bool>
+EnableARMCodePlacement("arm-code-placement", cl::Hidden,
+  cl::desc("Enable code placement pass for ARM."),
+  cl::init(false));
+
 static bool CC_ARM_APCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
                                    CCValAssign::LocInfo &LocInfo,
                                    ISD::ArgFlagsTy &ArgFlags,
@@ -532,10 +537,9 @@
     setSchedulingPreference(Sched::Hybrid);
 
   maxStoresPerMemcpy = 1;   //// temporary - rewrite interface to use type
-  // Do not enable CodePlacementOpt for now: it currently runs after the
-  // ARMConstantIslandPass and messes up branch relaxation and placement
-  // of constant islands.
-  // benefitFromCodePlacementOpt = true;
+
+  if (EnableARMCodePlacement)
+    benefitFromCodePlacementOpt = true;
 }
 
 const char *ARMTargetLowering::getTargetNodeName(unsigned Opcode) const {