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set isBarrier correctly

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30936 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-13 19:10:34 +00:00
parent eea52d3297
commit 594f4c69e6
1 changed files with 4 additions and 1 deletions
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5
lib/Target/PowerPC/PPCInstrInfo.td
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@ -312,7 +312,7 @@ let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
[]>;
}
let isTerminator = 1, noResults = 1, PPC970_Unit = 7 in {
let isTerminator = 1, isBarrier = 1, noResults = 1, PPC970_Unit = 7 in {
let isReturn = 1 in
def BLR : XLForm_2_ext<19, 16, 20, 0, 0, (ops), "blr", BrB, [(retflag)]>;
def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>;
@ -324,12 +324,15 @@ let Defs = [LR] in
let isBranch = 1, isTerminator = 1, hasCtrlDep = 1,
noResults = 1, PPC970_Unit = 7 in {
// COND_BRANCH is formed before branch selection, it is turned into Bcc below.
def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc, target:$dst),
"${:comment} COND_BRANCH $crS, $opc, $dst",
[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]>;
let isBarrier = 1 in {
def B : IForm<18, 0, 0, (ops target:$dst),
"b $dst", BrB,
[(br bb:$dst)]>;
}
def BLT : BForm<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
"blt $crS, $block", BrB>;