diff options
Diffstat (limited to 'llvm/lib/CodeGen/TargetInstrInfoImpl.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetInstrInfoImpl.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp b/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp index 28b973b16eb..5fc7f323079 100644 --- a/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -329,8 +329,13 @@ isReallyTriviallyReMaterializableGeneric(const MachineInstr *MI, const TargetInstrDesc &TID = MI->getDesc(); // Avoid instructions obviously unsafe for remat. - if (TID.hasUnmodeledSideEffects() || TID.isNotDuplicable() || - TID.mayStore()) + if (TID.isNotDuplicable() || TID.mayStore() || + MI->hasUnmodeledSideEffects()) + return false; + + // Don't remat inline asm. We have no idea how expensive it is + // even if it's side effect free. + if (MI->isInlineAsm()) return false; // Avoid instructions which load from potentially varying memory. |
