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authorJakob Stoklund Olesen <stoklund@2pi.dk>2012-08-18 21:49:50 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2012-08-18 21:49:50 +0000
commit0a8f8980000b753ef77dfc64cc7d9803d5dcc8ce (patch)
treebfecf4fe31506cf9babb5539c64b1d33948800e7 /lib/Target/ARM/ARMISelDAGToDAG.cpp
parent35fc62bf70074349d74357900dd65f08384970c5 (diff)
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Remove the CAND/COR/CXOR custom ISD nodes and their select code.
These nodes are no longer needed because the peephole pass can fold CMOV+AND into ANDCC etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162179 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMISelDAGToDAG.cpp')
-rw-r--r--lib/Target/ARM/ARMISelDAGToDAG.cpp120
1 files changed, 0 insertions, 120 deletions
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index a3a6c3176b..c6f9d15c87 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -239,7 +239,6 @@ private:
/// SelectCMOVOp - Select CMOV instructions for ARM.
SDNode *SelectCMOVOp(SDNode *N);
- SDNode *SelectConditionalOp(SDNode *N);
SDNode *SelectT2CMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
ARMCC::CondCodes CCVal, SDValue CCR,
SDValue InFlag);
@@ -2363,121 +2362,6 @@ SDNode *ARMDAGToDAGISel::SelectCMOVOp(SDNode *N) {
return CurDAG->SelectNodeTo(N, Opc, VT, Ops, 5);
}
-SDNode *ARMDAGToDAGISel::SelectConditionalOp(SDNode *N) {
- SDValue FalseVal = N->getOperand(0);
- SDValue TrueVal = N->getOperand(1);
- ARMCC::CondCodes CCVal =
- (ARMCC::CondCodes)cast<ConstantSDNode>(N->getOperand(2))->getZExtValue();
- SDValue CCR = N->getOperand(3);
- assert(CCR.getOpcode() == ISD::Register);
- SDValue InFlag = N->getOperand(4);
- SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Reg0 = CurDAG->getRegister(0, MVT::i32);
-
- if (Subtarget->isThumb()) {
- SDValue CPTmp0;
- SDValue CPTmp1;
- if (SelectT2ShifterOperandReg(TrueVal, CPTmp0, CPTmp1)) {
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::t2ANDCCrs; break;
- case ARMISD::COR: Opc = ARM::t2ORRCCrs; break;
- case ARMISD::CXOR: Opc = ARM::t2EORCCrs; break;
- }
- SDValue Ops[] = {
- FalseVal, FalseVal, CPTmp0, CPTmp1, CC, CCR, Reg0, InFlag
- };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 8);
- }
-
- ConstantSDNode *T = dyn_cast<ConstantSDNode>(TrueVal);
- if (T) {
- unsigned TrueImm = T->getZExtValue();
- if (is_t2_so_imm(TrueImm)) {
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::t2ANDCCri; break;
- case ARMISD::COR: Opc = ARM::t2ORRCCri; break;
- case ARMISD::CXOR: Opc = ARM::t2EORCCri; break;
- }
- SDValue True = CurDAG->getTargetConstant(TrueImm, MVT::i32);
- SDValue Ops[] = { FalseVal, FalseVal, True, CC, CCR, Reg0, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 7);
- }
- }
-
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::t2ANDCCrr; break;
- case ARMISD::COR: Opc = ARM::t2ORRCCrr; break;
- case ARMISD::CXOR: Opc = ARM::t2EORCCrr; break;
- }
- SDValue Ops[] = { FalseVal, FalseVal, TrueVal, CC, CCR, Reg0, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 7);
- }
-
- SDValue CPTmp0;
- SDValue CPTmp1;
- SDValue CPTmp2;
- if (SelectImmShifterOperand(TrueVal, CPTmp0, CPTmp2)) {
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::ANDCCrsi; break;
- case ARMISD::COR: Opc = ARM::ORRCCrsi; break;
- case ARMISD::CXOR: Opc = ARM::EORCCrsi; break;
- }
- SDValue Ops[] = {
- FalseVal, FalseVal, CPTmp0, CPTmp2, CC, CCR, Reg0, InFlag
- };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 8);
- }
-
- if (SelectRegShifterOperand(TrueVal, CPTmp0, CPTmp1, CPTmp2)) {
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::ANDCCrsr; break;
- case ARMISD::COR: Opc = ARM::ORRCCrsr; break;
- case ARMISD::CXOR: Opc = ARM::EORCCrsr; break;
- }
- SDValue Ops[] = {
- FalseVal, FalseVal, CPTmp0, CPTmp1, CPTmp2, CC, CCR, Reg0, InFlag
- };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 9);
- }
-
- ConstantSDNode *T = dyn_cast<ConstantSDNode>(TrueVal);
- if (T) {
- unsigned TrueImm = T->getZExtValue();
- if (is_so_imm(TrueImm)) {
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::ANDCCri; break;
- case ARMISD::COR: Opc = ARM::ORRCCri; break;
- case ARMISD::CXOR: Opc = ARM::EORCCri; break;
- }
- SDValue True = CurDAG->getTargetConstant(TrueImm, MVT::i32);
- SDValue Ops[] = { FalseVal, FalseVal, True, CC, CCR, Reg0, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 7);
- }
- }
-
- unsigned Opc;
- switch (N->getOpcode()) {
- default: llvm_unreachable("Unexpected node");
- case ARMISD::CAND: Opc = ARM::ANDCCrr; break;
- case ARMISD::COR: Opc = ARM::ORRCCrr; break;
- case ARMISD::CXOR: Opc = ARM::EORCCrr; break;
- }
- SDValue Ops[] = { FalseVal, FalseVal, TrueVal, CC, CCR, Reg0, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 7);
-}
-
/// Target-specific DAG combining for ISD::XOR.
/// Target-independent combining lowers SELECT_CC nodes of the form
/// select_cc setg[ge] X, 0, X, -X
@@ -2805,10 +2689,6 @@ SDNode *ARMDAGToDAGISel::Select(SDNode *N) {
}
case ARMISD::CMOV:
return SelectCMOVOp(N);
- case ARMISD::CAND:
- case ARMISD::COR:
- case ARMISD::CXOR:
- return SelectConditionalOp(N);
case ARMISD::VZIP: {
unsigned Opc = 0;
EVT VT = N->getValueType(0);