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Initial target-independent CodeGen support for BlockAddresses.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85556 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-10-30 01:27:03 +00:00
parent c24096559d
commit 8c2b52552c
13 changed files with 128 additions and 5 deletions
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21
include/llvm/CodeGen/SelectionDAGNodes.h
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@@ -97,7 +97,7 @@ namespace ISD {
BasicBlock, VALUETYPE, CONDCODE, Register,
Constant, ConstantFP,
GlobalAddress, GlobalTLSAddress, FrameIndex,
JumpTable, ConstantPool, ExternalSymbol,
JumpTable, ConstantPool, ExternalSymbol, BlockAddress,
// The address of the GOT
GLOBAL_OFFSET_TABLE,
@@ -146,6 +146,7 @@ namespace ISD {
TargetJumpTable,
TargetConstantPool,
TargetExternalSymbol,
TargetBlockAddress,
/// RESULT = INTRINSIC_WO_CHAIN(INTRINSICID, arg1, arg2, ...)
/// This node represents a target intrinsic function with no side effects.
@@ -2026,11 +2027,27 @@ public:
}
};
class BlockAddressSDNode : public SDNode {
BlockAddress *BA;
friend class SelectionDAG;
BlockAddressSDNode(unsigned NodeTy, DebugLoc dl, EVT VT, BlockAddress *ba)
: SDNode(NodeTy, dl, getSDVTList(VT)), BA(ba) {
}
public:
BlockAddress *getBlockAddress() const { return BA; }
static bool classof(const BlockAddressSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::BlockAddress ||
N->getOpcode() == ISD::TargetBlockAddress;
}
};
class LabelSDNode : public SDNode {
SDUse Chain;
unsigned LabelID;
friend class SelectionDAG;
LabelSDNode(unsigned NodeTy, DebugLoc dl, SDValue ch, unsigned id)
LabelSDNode(unsigned NodeTy, DebugLoc dl, SDValue ch, unsigned id)
: SDNode(NodeTy, dl, getSDVTList(MVT::Other)), LabelID(id) {
InitOperands(&Chain, ch);
}