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autogen undef

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-25 21:03:41 +00:00
parent 978982628a
commit 6e61ca6fa7
2 changed files with 6 additions and 11 deletions
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8
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
View File

@ -844,14 +844,6 @@ SDOperand PPCDAGToDAGISel::Select(SDOperand Op) {
case ISD::CALL: return SelectCALL(Op);
case ISD::TAILCALL: return SelectCALL(Op);
case ISD::UNDEF:
if (N->getValueType(0) == MVT::i32)
CurDAG->SelectNodeTo(N, PPC::IMPLICIT_DEF_GPR, MVT::i32);
else if (N->getValueType(0) == MVT::f32)
CurDAG->SelectNodeTo(N, PPC::IMPLICIT_DEF_F4, MVT::f32);
else
CurDAG->SelectNodeTo(N, PPC::IMPLICIT_DEF_F8, MVT::f64);
return SDOperand(N, 0);
case ISD::FrameIndex: {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
if (N->hasOneUse()) {

9
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -153,9 +153,12 @@ let isLoad = 1 in {
def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt), "; ADJCALLSTACKDOWN", []>;
def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt), "; ADJCALLSTACKUP", []>;
}
def IMPLICIT_DEF_GPR : Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC", []>;
def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; %rD = IMPLICIT_DEF_F8", []>;
def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "; %rD = IMPLICIT_DEF_F4", []>;
def IMPLICIT_DEF_GPR : Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC",
[(set GPRC:$rD, (undef))]>;
def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; %rD = IMPLICIT_DEF_F8",
[(set F8RC:$rD, (undef))]>;
def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "; %rD = IMPLICIT_DEF_F4",
[(set F4RC:$rD, (undef))]>;
// SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
// scheduler into a branch sequence.