diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp b/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp index 65a58cd31c3..1b2f2cec0bc 100644 --- a/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp +++ b/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp @@ -203,6 +203,10 @@ expandLogic(unsigned Op, Block &MBB, BlockIt MBBI) { bool AVRExpandPseudo:: isLogicImmOpRedundant(unsigned Op, unsigned ImmVal) const { + // ANDI Rd, 0xff is redundant. + if (Op == AVR::ANDIRdK && ImmVal == 0xff) + return true; + // ORI Rd, 0x0 is redundant. if (Op == AVR::ORIRdK && ImmVal == 0x0) return true; |
