Fix incorrect DistanceMap counting

DistanceMap should not count debug intrinsics. This lead to incorrect behavior for debug workloads.
intel · Jun 28, 2023 · 710e1cc · 710e1cc
1 parent 3af2e8f
commit 710e1cc
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/IGC/Compiler/CISACodeGen/LiveVars.cpp b/IGC/Compiler/CISACodeGen/LiveVars.cpp
@@ -42,6 +42,7 @@ See LICENSE.TXT for details.
 #include "common/LLVMWarningsPop.hpp"
 #include <algorithm>
 #include "Probe/Assertion.h"
+#include "helper.h"
 
 using namespace llvm;
 using namespace IGC;
@@ -411,6 +412,9 @@ void LiveVars::initDistance(Function& F)
  unsigned Dist = 0;
  for (auto& II : BB) {
  Instruction* MI = &II;
+ if (isDbgIntrinsic(MI)) {
+ continue;
+ }
  DistanceMap.insert(std::make_pair(MI, Dist++));
  }
  }