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-rw-r--r--llvm/lib/CodeGen/BranchFolding.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index ff9f0ff..3b3e7a4 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -42,6 +42,7 @@
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
+#include "llvm/Config/llvm-config.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/Function.h"
@@ -933,7 +934,13 @@ bool BranchFolder::TryTailMergeBlocks(MachineBasicBlock *SuccBB,
// Sort by hash value so that blocks with identical end sequences sort
// together.
+#if LLVM_ENABLE_DEBUGLOC_TRACKING_ORIGIN
+ // If origin-tracking is enabled then MergePotentialElt is no longer a POD
+ // type, so we need std::sort instead.
+ std::sort(MergePotentials.begin(), MergePotentials.end());
+#else
array_pod_sort(MergePotentials.begin(), MergePotentials.end());
+#endif
// Walk through equivalence sets looking for actual exact matches.
while (MergePotentials.size() > 1) {