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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163154 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-09-04 18:44:43 +00:00
parent 99c416c9f7
commit 4f1a56ce3c
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/MachineInstr.cpp
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@@ -1318,7 +1318,7 @@ bool MachineInstr::isSafeToMove(const TargetInstrInfo *TII,
// Ignore stuff that we obviously can't move. // Ignore stuff that we obviously can't move.
// //
// Treat volatile loads as stores. This is not strictly necessary for // Treat volatile loads as stores. This is not strictly necessary for
// volatiles, but it is required for atomic loads. It is now allowed to move // volatiles, but it is required for atomic loads. It is not allowed to move
// a load across an atomic load with Ordering > Monotonic. // a load across an atomic load with Ordering > Monotonic.
if (mayStore() || isCall() || if (mayStore() || isCall() ||
(mayLoad() && hasOrderedMemoryRef())) { (mayLoad() && hasOrderedMemoryRef())) {