[llvm-commits] [llvm] r117597 - /llvm/trunk/lib/CodeGen/InlineSpiller.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Thu Oct 28 15:34:47 2010
New Revision: 117597

URL: http://llvm.org/viewvc/llvm-project?rev=117597&view=rev
Log:
Add a temporary command line option to verify machine code after each spill or
split.

Modified:
    llvm/trunk/lib/CodeGen/InlineSpiller.cpp

Modified: llvm/trunk/lib/CodeGen/InlineSpiller.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/InlineSpiller.cpp?rev=117597&r1=117596&r2=117597&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/InlineSpiller.cpp (original)
+++ llvm/trunk/lib/CodeGen/InlineSpiller.cpp Thu Oct 28 15:34:47 2010
@@ -25,11 +25,15 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
+static cl::opt<bool>
+VerifySpills("verify-spills", cl::desc("Verify after each spill/split"));
+
 namespace {
 class InlineSpiller : public Spiller {
   MachineFunctionPass &pass_;
@@ -337,6 +341,8 @@
                           SmallVectorImpl<LiveInterval*> &spillIs) {
   LiveRangeEdit edit(*li, newIntervals, spillIs);
   spill(edit);
+  if (VerifySpills)
+    mf_.verify(&pass_);
 }
 
 void InlineSpiller::spill(LiveRangeEdit &edit) {