diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM64/ARM64InstrFormats.td | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM64/ARM64InstrFormats.td b/llvm/lib/Target/ARM64/ARM64InstrFormats.td index 8f7d6558961..2279f9be82e 100644 --- a/llvm/lib/Target/ARM64/ARM64InstrFormats.td +++ b/llvm/lib/Target/ARM64/ARM64InstrFormats.td @@ -1936,6 +1936,11 @@ class BaseCondSelectOp<bit op, bits<2> op2, RegisterClass regtype, string asm, let Inst{4-0} = Rd; } +def inv_cond_XFORM : SDNodeXForm<imm, [{ + ARM64CC::CondCode CC = static_cast<ARM64CC::CondCode>(N->getZExtValue()); + return CurDAG->getTargetConstant(ARM64CC::getInvertedCondCode(CC), MVT::i32); +}]>; + multiclass CondSelectOp<bit op, bits<2> op2, string asm, PatFrag frag> { def Wr : BaseCondSelectOp<op, op2, GPR32, asm, frag> { let Inst{31} = 0; @@ -1943,6 +1948,14 @@ multiclass CondSelectOp<bit op, bits<2> op2, string asm, PatFrag frag> { def Xr : BaseCondSelectOp<op, op2, GPR64, asm, frag> { let Inst{31} = 1; } + + def : Pat<(ARM64csel (frag GPR32:$Rm), GPR32:$Rn, (i32 imm:$cond), CPSR), + (!cast<Instruction>(NAME # Wr) GPR32:$Rn, GPR32:$Rm, + (inv_cond_XFORM imm:$cond))>; + + def : Pat<(ARM64csel (frag GPR64:$Rm), GPR64:$Rn, (i32 imm:$cond), CPSR), + (!cast<Instruction>(NAME # Xr) GPR64:$Rn, GPR64:$Rm, + (inv_cond_XFORM imm:$cond))>; } //--- |
