diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrArithmetic.td | 6 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 1 |
2 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrArithmetic.td b/llvm/lib/Target/X86/X86InstrArithmetic.td index 368e14b91f4..f2574cc3700 100644 --- a/llvm/lib/Target/X86/X86InstrArithmetic.td +++ b/llvm/lib/Target/X86/X86InstrArithmetic.td @@ -1278,8 +1278,10 @@ let isCompare = 1 in { def TEST64mi32 : BinOpMI_F<"test", Xi64, X86testpat, MRM0m, 0xF6>; // When testing the result of EXTRACT_SUBREG sub_8bit_hi, make sure the - // register class is constrained to GR8_NOREX. - let isPseudo = 1 in + // register class is constrained to GR8_NOREX. This pseudo is explicitly + // marked side-effect free, since it doesn't have an isel pattern like + // other test instructions. + let isPseudo = 1, hasSideEffects = 0 in def TEST8ri_NOREX : I<0, Pseudo, (outs), (ins GR8_NOREX:$src, i8imm:$mask), "", [], IIC_BIN_NONMEM>, Sched<[WriteALU]>; } // Defs = [EFLAGS] diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 0797fc6041b..0d3afc43c2b 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -5037,6 +5037,7 @@ bool X86InstrInfo::shouldScheduleAdjacent(MachineInstr* First, case X86::TEST16rm: case X86::TEST32rm: case X86::TEST64rm: + case X86::TEST8ri_NOREX: case X86::AND16i16: case X86::AND16ri: case X86::AND16ri8: |
