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AArch64: disable printing of MOV -> MOVZ aliases

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Actually, MOV sometimes is canonical, but for now this is a better
approximation than what's there.

This will be tested when the TableGen "should I print this Alias" heuristic is
fixed (very soon).

llvm-svn: 208962
This commit is contained in:
Tim Northover 2014-05-16 09:41:21 +00:00
parent a1a9dc1522
commit 4736478963
1 changed files with 1 additions and 1 deletions
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lib/Target/AArch64/AArch64InstrInfo.td
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@ -4210,7 +4210,7 @@ defm movn64 : movalias_operand<"movn64", "MOVN", "isOnlyMOVNImm", 64>;
// will need to be implemented. to allow it, as well as the more generally
// useful handling of non-register, non-constant operands.
class movalias<Instruction INST, RegisterClass GPR, Operand operand>
: InstAlias<"mov $Rd, $FullImm", (INST GPR:$Rd, operand:$FullImm)>;
: InstAlias<"mov $Rd, $FullImm", (INST GPR:$Rd, operand:$FullImm), 0>;
def : movalias<MOVZwii, GPR32, movz32_movimm>;
def : movalias<MOVZxii, GPR64, movz64_movimm>;