Changes in directory llvm/lib/CodeGen/SelectionDAG:
CallingConvLower.cpp updated: 1.2 -> 1.3
---
Log message:
add methods to analyze calls and formals.
---
Diffs of the changes: (+34 -0)
CallingConvLower.cpp | 34 ++++++++++++++++++++++++++++++++++
1 files changed, 34 insertions(+)
Index: llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp:1.2
llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp:1.3
--- llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp:1.2 Mon Feb 26
23:13:54 2007
+++ llvm/lib/CodeGen/SelectionDAG/CallingConvLower.cpp Wed Feb 28 00:56:20 2007
@@ -13,6 +13,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
@@ -35,3 +36,36 @@
for (; (Reg = *RegAliases); ++RegAliases)
UsedRegs[Reg/32] |= 1 << (Reg&31);
}
+
+/// AnalyzeCallOperands - Analyze an ISD::CALL node, incorporating info
+/// about the passed values into this state.
+void CCState::AnalyzeCallOperands(SDNode *TheCall, CCAssignFn Fn) {
+ unsigned NumOps = (TheCall->getNumOperands() - 5) / 2;
+ for (unsigned i = 0; i != NumOps; ++i) {
+ MVT::ValueType ArgVT = TheCall->getOperand(5+2*i).getValueType();
+ SDOperand FlagOp = TheCall->getOperand(5+2*i+1);
+ unsigned ArgFlags =cast<ConstantSDNode>(FlagOp)->getValue();
+ if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
+ cerr << "Call operand #" << i << " has unhandled type "
+ << MVT::getValueTypeString(ArgVT) << "\n";
+ abort();
+ }
+ }
+}
+
+/// 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();
+ }
+ }
+}
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