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-rw-r--r--include/llvm/CodeGen/MachineInstr.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 320cd0dc53..c7b8360471 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -150,7 +150,9 @@ public:
}
void setFlags(unsigned flags) {
- Flags = flags;
+ // Filter out the automatically maintained flags.
+ unsigned Mask = BundledPred | BundledSucc;
+ Flags = (Flags & Mask) | (flags & ~Mask);
}
/// clearFlag - Clear a MI flag.