diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.h')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.h b/llvm/lib/Target/X86/X86InstrInfo.h index bc43820a024..a0292bbdaed 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.h +++ b/llvm/lib/Target/X86/X86InstrInfo.h @@ -378,6 +378,10 @@ public: bool expandPostRAPseudo(MachineInstr &MI) const override; + /// Check whether the target can fold a load that feeds a subreg operand + /// (or a subreg operand that feeds a store). + bool isSubregFoldable() const override { return true; } + /// foldMemoryOperand - If this target supports it, fold a load or store of /// the specified stack slot into the specified machine instruction for the /// specified operand(s). If this is possible, the target should perform the |
