Change debug info from #define to command line option
Clean up extra debug info that wasn't guarded
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@647 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 8824b64..1cb1809 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -1,6 +1,10 @@
#include "llvm/CodeGen/PhyRegAlloc.h"
-
+cl::Enum<RegAllocDebugLevel_t> DEBUG_RA("dregalloc", cl::NoFlags,
+ "enable register allocation debugging information",
+ clEnumValN(RA_DEBUG_None , "n", "disable debug output"),
+ clEnumValN(RA_DEBUG_Normal , "y", "enable debug output"),
+ clEnumValN(RA_DEBUG_Verbose, "v", "enable extra debug output"), 0);
//----------------------------------------------------------------------------
@@ -267,8 +271,9 @@
const Value *const Val = Op.getVRegValue();
// delete this condition checking later (must assert if Val is null)
- if( !Val && DEBUG_RA) {
- cout << "Warning: NULL Value found for operand" << endl;
+ if( !Val) {
+ if (DEBUG_RA)
+ cout << "Warning: NULL Value found for operand" << endl;
continue;
}
assert( Val && "Value is NULL");
@@ -480,8 +485,10 @@
RegClassList[ rc ]->colorAllRegs();
updateMachineCode();
- PrintMachineInstructions(Meth);
- printMachineCode(); // only for DEBUGGING
+ if (DEBUG_RA) {
+ PrintMachineInstructions(Meth);
+ printMachineCode(); // only for DEBUGGING
+ }
}