Changes in directory llvm/lib/CodeGen/SelectionDAG:
CallingConvLower.cpp updated: 1.3 -> 1.4
---
Log message:
add methods for analysis of call results and return nodes.
---
Diffs of the changes: (+42 -12)
CallingConvLower.cpp | 54 +++++++++++++++++++++++++++++++++++++++------------
1 files changed, 42 insertions(+), 12 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp:1.3
llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp:1.4
--- llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp:1.3 Wed Feb 28
00:56:20 2007
+++ llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp Wed Feb 28 01:09:40 2007
@@ -37,6 +37,39 @@
UsedRegs[Reg/32] |= 1 << (Reg&31);
}
+/// AnalyzeFormalArguments - Analyze an ISD::FORMAL_ARGUMENTS node,
+/// incorporating info about the formals into this state.
+void CCState::AnalyzeFormalArguments(SDNode *TheArgs, CCAssignFn Fn) {
+ unsigned NumArgs = TheArgs->getNumValues()-1;
+
+ for (unsigned i = 0; i != NumArgs; ++i) {
+ MVT::ValueType ArgVT = TheArgs->getValueType(i);
+ SDOperand FlagOp = TheArgs->getOperand(3+i);
+ unsigned ArgFlags = cast<ConstantSDNode>(FlagOp)->getValue();
+ if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
+ cerr << "Formal argument #" << i << " has unhandled type "
+ << MVT::getValueTypeString(ArgVT) << "\n";
+ abort();
+ }
+ }
+}
+
+/// AnalyzeReturn - Analyze the returned values of an ISD::RET node,
+/// incorporating info about the result values into this state.
+void CCState::AnalyzeReturn(SDNode *TheRet, CCAssignFn Fn) {
+ // Determine which register each value should be copied into.
+ for (unsigned i = 0, e = TheRet->getNumOperands() / 2; i != e; ++i) {
+ MVT::ValueType VT = TheRet->getOperand(i*2+1).getValueType();
+ if (Fn(i, VT, VT, CCValAssign::Full,
+ cast<ConstantSDNode>(TheRet->getOperand(i*2+2))->getValue(),
*this)){
+ cerr << "Return operand #" << i << " has unhandled type "
+ << MVT::getValueTypeString(VT) << "\n";
+ abort();
+ }
+ }
+}
+
+
/// AnalyzeCallOperands - Analyze an ISD::CALL node, incorporating info
/// about the passed values into this state.
void CCState::AnalyzeCallOperands(SDNode *TheCall, CCAssignFn Fn) {
@@ -53,19 +86,16 @@
}
}
-/// AnalyzeFormalArguments - Analyze an ISD::FORMAL_ARGUMENTS node,
-/// incorporating info about the formals into this state.
-void CCState::AnalyzeFormalArguments(SDNode *TheArgs, CCAssignFn Fn) {
- unsigned NumArgs = TheArgs->getNumValues()-1;
-
- for (unsigned i = 0; i != NumArgs; ++i) {
- MVT::ValueType ArgVT = TheArgs->getValueType(i);
- SDOperand FlagOp = TheArgs->getOperand(3+i);
- unsigned ArgFlags = cast<ConstantSDNode>(FlagOp)->getValue();
- if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
- cerr << "Formal argument #" << i << " has unhandled type "
- << MVT::getValueTypeString(ArgVT) << "\n";
+/// AnalyzeCallResult - Analyze the return values of an ISD::CALL node,
+/// incorporating info about the passed values into this state.
+void CCState::AnalyzeCallResult(SDNode *TheCall, CCAssignFn Fn) {
+ for (unsigned i = 0, e = TheCall->getNumValues() - 1; i != e; ++i) {
+ MVT::ValueType VT = TheCall->getValueType(i);
+ if (Fn(i, VT, VT, CCValAssign::Full, 0, *this)) {
+ cerr << "Call result #" << i << " has unhandled type "
+ << MVT::getValueTypeString(VT) << "\n";
abort();
}
}
}
+
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