// Conditional moves
// FIXME: should be able to write a pattern for ARMcmov, but can't use
// a two-value operand where a dag node expects two operands. :(
-let neverHasSideEffects = 1 in {
+let neverHasSideEffects = 1, isConditionalMove = 1 in {
def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
IIC_iCMOVr, "mov", "\t$dst, $true",
[/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
RegConstraint<"$false = $dst">, UnaryDP {
let Inst{25} = 1;
}
-} // neverHasSideEffects
+} // neverHasSideEffects, isConditionalMove
//===----------------------------------------------------------------------===//
// Atomic operations intrinsics
// 16-bit movcc in IT blocks for Thumb2.
-let neverHasSideEffects = 1 in {
+let neverHasSideEffects = 1, isConditionalMove = 1 in {
def tMOVCCr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iCMOVr,
"mov", "\t$dst, $rhs", []>,
T1Special<{1,0,?,?}>;
def tMOVCCi : T1pIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMOVi,
"mov", "\t$dst, $rhs", []>,
T1General<{1,0,0,?,?}>;
-} // neverHasSideEffects
+} // neverHasSideEffects, isConditionalMove
// tLEApcrel - Load a pc-relative address into a register without offending the
// assembler.
// Conditional moves
// FIXME: should be able to write a pattern for ARMcmov, but can't use
// a two-value operand where a dag node expects two operands. :(
-let neverHasSideEffects = 1 in {
+let neverHasSideEffects = 1, isConditionalMove = 1 in {
def t2MOVCCr : T2I<(outs rGPR:$dst), (ins rGPR:$false, rGPR:$true), IIC_iCMOVr,
"mov", ".w\t$dst, $true",
[/*(set rGPR:$dst, (ARMcmov rGPR:$false, rGPR:$true, imm:$cc, CCR:$ccr))*/]>,
(ins rGPR:$false, rGPR:$true, i32imm:$rhs),
IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>,
RegConstraint<"$false = $dst">;
-} // neverHasSideEffects
+} // neverHasSideEffects, isConditionalMove
//===----------------------------------------------------------------------===//
// Atomic operations intrinsics
} // Defs = [EFLAGS]
// Conditional moves
-let Uses = [EFLAGS], Constraints = "$src1 = $dst" in {
+let isConditionalMove = 1, Uses = [EFLAGS], Constraints = "$src1 = $dst" in {
let isCommutable = 1 in {
def CMOVB64rr : RI<0x42, MRMSrcReg, // if <u, GR64 = GR64
(outs GR64:$dst), (ins GR64:$src1, GR64:$src2),
"cmovno{q}\t{$src2, $dst|$dst, $src2}",
[(set GR64:$dst, (X86cmov GR64:$src1, (loadi64 addr:$src2),
X86_COND_NO, EFLAGS))]>, TB;
-} // Constraints = "$src1 = $dst"
+} // isConditionalMove, Constraints = "$src1 = $dst"
// Use sbb to materialize carry flag into a GPR.
// FIXME: This are pseudo ops that should be replaced with Pat<> patterns.
// Conditional moves
let Uses = [EFLAGS] in {
-let Predicates = [HasCMov] in {
+let isConditionalMove = 1, Predicates = [HasCMov] in {
let isCommutable = 1 in {
def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
[(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
X86_COND_NO, EFLAGS))]>,
TB;
-} // Predicates = [HasCMov]
+} // isConditionalMove, Predicates = [HasCMov]
// X86 doesn't have 8-bit conditional moves. Use a customInserter to
// emit control flow. An alternative to this is to mark i8 SELECT as Promote,