Ignore DEBUG_VALUE when building live intervals;

this makes the code work transparently the same
whether they're there or not.

llvm-svn: 94240

1 files changed, 3 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/SlotIndexes.cpp b/llvm/lib/CodeGen/SlotIndexes.cpp
index b8f529b8933..a23efb2b8d9 100644
--- a/llvm/lib/CodeGen/SlotIndexes.cpp
+++ b/llvm/lib/CodeGen/SlotIndexes.cpp
@@ -14,6 +14,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Target/TargetInstrInfo.h"
 
 using namespace llvm;
 
@@ -107,6 +108,8 @@ bool SlotIndexes::runOnMachineFunction(MachineFunction &fn) {
     for (MachineBasicBlock::iterator miItr = mbb->begin(), miEnd = mbb->end();
          miItr != miEnd; ++miItr) {
       MachineInstr *mi = &*miItr;
+      if (mi->getOpcode()==TargetInstrInfo::DEBUG_VALUE)
+        continue;
 
       if (miItr == mbb->getFirstTerminator()) {
         push_back(createEntry(0, index));