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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 | 88536398ffbcf8ce970e46894492f62041df1dbe (patch) | |
| tree | 13ba4f6ea68dbd938468dc3354e2fd7a5e3073e0 /llvm/lib/CodeGen/MachineInstr.cpp | |
| parent | b158fd751c5e8957a8c60a48a4bf0af6f522b7c1 (diff) | |
| download | llvm-88536398ffbcf8ce970e46894492f62041df1dbe.zip llvm-88536398ffbcf8ce970e46894492f62041df1dbe.tar.gz llvm-88536398ffbcf8ce970e46894492f62041df1dbe.tar.bz2 | |
Fix a think-o in isSafeToMove. This fixes it from thinking that
volatile memory references are safe to move.
llvm-svn: 56948
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 4db02f4..4a7059a 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/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; } |