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Make ARM::B isPredicable; Make Bcc and MOVCC condition option a normal operand so they are not predicable.

llvm-svn: 37118
This commit is contained in:
Evan Cheng 2007-05-16 20:50:01 +00:00
parent 0aced52f41
commit d3f1a259db

View File

@ -278,7 +278,7 @@ def addrmodepc : Operand<i32>,
}
// ARM branch / cmov condition code operand.
def ccop : PredicateOperand<i32, (ops i32imm), (ops)> {
def ccop : Operand<i32> {
let PrintMethod = "printPredicateOperand";
}
@ -364,7 +364,7 @@ class PseudoInst<dag ops, string asm, list<dag> pattern>
let Pattern = pattern;
}
// Almost all ARM instructions are predicatable.
// Almost all ARM instructions are predicable.
class I<dag oprnds, AddrMode am, SizeFlagVal sz, IndexMode im,
string opc, string asm, string cstr, list<dag> pattern>
// FIXME: Set all opcodes to 0 for now.
@ -591,10 +591,11 @@ let isCall = 1, noResults = 1,
}
let isBranch = 1, isTerminator = 1, noResults = 1 in {
// B can changed into a Bcc, but it is not "predicated".
// B is "predicable" since it can be xformed into a Bcc.
let isBarrier = 1 in {
def B : AXI<(ops brtarget:$dst), "b $dst",
[(br bb:$dst)]>;
let isPredicable = 1 in
def B : AXI<(ops brtarget:$dst), "b $dst",
[(br bb:$dst)]>;
def BR_JTr : JTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
"mov", " pc, $dst \n$jt",