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| author | Dan Gohman <gohman@apple.com> | 2008-10-02 15:04:30 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-10-02 15:04:30 +0000 |
| commit | d790a5ceee7138d8a5352432ccf862a42e3f5819 (patch) | |
| tree | 0e9338969e8b60a7f9e22a317d7a6f1cdca5d6a4 /lib/CodeGen | |
| parent | 5bbee4b40a90f2825e229ed0f1d2b7b1ee7cd361 (diff) | |
| download | external_llvm-d790a5ceee7138d8a5352432ccf862a42e3f5819.zip external_llvm-d790a5ceee7138d8a5352432ccf862a42e3f5819.tar.gz external_llvm-d790a5ceee7138d8a5352432ccf862a42e3f5819.tar.bz2 | |
Fix a think-o in isSafeToMove. This fixes it from thinking that
volatile memory references are safe to move.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56948 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/MachineInstr.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 4db02f4..4a7059a 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -707,7 +707,7 @@ bool MachineInstr::isSafeToMove(const TargetInstrInfo *TII, bool &SawStore) { if (TID->mayLoad() && !TII->isInvariantLoad(this)) // Otherwise, this is a real load. If there is a store between the load and // end of block, or if the laod is volatile, we can't move it. - return SawStore || hasVolatileMemoryRef(); + return !SawStore && !hasVolatileMemoryRef(); return true; } |