Ignore dbg_value's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106373 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/Thumb2HazardRecognizer.cpp b/lib/Target/ARM/Thumb2HazardRecognizer.cpp
index 1614422a365cbca748a64c17bdb31f25b76ff5e1..3fe31a2b4851bda04a0f5b29512304b440788652 100644 (file)
--- a/lib/Target/ARM/Thumb2HazardRecognizer.cpp
+++ b/lib/Target/ARM/Thumb2HazardRecognizer.cpp
@@ -17,7 +17,7 @@ ScheduleHazardRecognizer::HazardType
 Thumb2HazardRecognizer::getHazardType(SUnit *SU) {
   if (ITBlockSize) {
     MachineInstr *MI = SU->getInstr();
-    if (MI != ITBlockMIs[ITBlockSize-1])
+    if (!MI->isDebugValue() && MI != ITBlockMIs[ITBlockSize-1])
       return Hazard;
   }
 
@@ -42,6 +42,8 @@ void Thumb2HazardRecognizer::EmitInstruction(SUnit *SU) {
     MachineBasicBlock::iterator I = MI;
     for (unsigned i = 0; i < ITBlockSize; ++i) {
       ++I;
+      while (I->isDebugValue())
+        ++I;
       ITBlockMIs[ITBlockSize-1-i] = &*I;
     }
   }