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-rw-r--r--contrib/llvm/lib/CodeGen/MachineTraceMetrics.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/MachineTraceMetrics.cpp b/contrib/llvm/lib/CodeGen/MachineTraceMetrics.cpp
index 9404c68..d9a6b684 100644
--- a/contrib/llvm/lib/CodeGen/MachineTraceMetrics.cpp
+++ b/contrib/llvm/lib/CodeGen/MachineTraceMetrics.cpp
@@ -624,6 +624,10 @@ struct DataDep {
static bool getDataDeps(const MachineInstr *UseMI,
SmallVectorImpl<DataDep> &Deps,
const MachineRegisterInfo *MRI) {
+ // Debug values should not be included in any calculations.
+ if (UseMI->isDebugValue())
+ return false;
+
bool HasPhysRegs = false;
for (MachineInstr::const_mop_iterator I = UseMI->operands_begin(),
E = UseMI->operands_end(); I != E; ++I) {
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