diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 2c81218f8f6..478a92e22fc 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -1686,7 +1686,7 @@ bool MachineInstr::isSafeToMove(AliasAnalysis *AA, bool &SawStore) const { // Treat volatile loads as stores. This is not strictly necessary for // volatiles, but it is required for atomic loads. It is not allowed to move // a load across an atomic load with Ordering > Monotonic. - if (mayStore() || isCall() || + if (mayStore() || isCall() || isPHI() || (mayLoad() && hasOrderedMemoryRef())) { SawStore = true; return false; |
