summaryrefslogtreecommitdiffstats
path: root/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/SelectionDAG/CallingConvLower.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/CallingConvLower.cpp121
1 files changed, 68 insertions, 53 deletions
diff --git a/lib/CodeGen/SelectionDAG/CallingConvLower.cpp b/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
index 7cd2b73..fbe40b6 100644
--- a/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
+++ b/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
@@ -13,15 +13,17 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
-CCState::CCState(unsigned CC, bool isVarArg, const TargetMachine &tm,
- SmallVector<CCValAssign, 16> &locs)
+CCState::CCState(CallingConv::ID CC, bool isVarArg, const TargetMachine &tm,
+ SmallVector<CCValAssign, 16> &locs, LLVMContext &C)
: CallingConv(CC), IsVarArg(isVarArg), TM(tm),
- TRI(*TM.getRegisterInfo()), Locs(locs) {
+ TRI(*TM.getRegisterInfo()), Locs(locs), Context(C) {
// No stack is used.
StackOffset = 0;
@@ -31,8 +33,8 @@ CCState::CCState(unsigned CC, bool isVarArg, const TargetMachine &tm,
// HandleByVal - Allocate a stack slot large enough to pass an argument by
// value. The size and alignment information of the argument is encoded in its
// parameter attribute.
-void CCState::HandleByVal(unsigned ValNo, MVT ValVT,
- MVT LocVT, CCValAssign::LocInfo LocInfo,
+void CCState::HandleByVal(unsigned ValNo, EVT ValVT,
+ EVT LocVT, CCValAssign::LocInfo LocInfo,
int MinSize, int MinAlign,
ISD::ArgFlagsTy ArgFlags) {
unsigned Align = ArgFlags.getByValAlign();
@@ -55,94 +57,107 @@ void CCState::MarkAllocated(unsigned Reg) {
UsedRegs[Reg/32] |= 1 << (Reg&31);
}
-/// AnalyzeFormalArguments - Analyze an ISD::FORMAL_ARGUMENTS node,
+/// AnalyzeFormalArguments - Analyze an array of argument values,
/// incorporating info about the formals into this state.
-void CCState::AnalyzeFormalArguments(SDNode *TheArgs, CCAssignFn Fn) {
- unsigned NumArgs = TheArgs->getNumValues()-1;
-
+void
+CCState::AnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins,
+ CCAssignFn Fn) {
+ unsigned NumArgs = Ins.size();
+
for (unsigned i = 0; i != NumArgs; ++i) {
- MVT ArgVT = TheArgs->getValueType(i);
- ISD::ArgFlagsTy ArgFlags =
- cast<ARG_FLAGSSDNode>(TheArgs->getOperand(3+i))->getArgFlags();
+ EVT ArgVT = Ins[i].VT;
+ ISD::ArgFlagsTy ArgFlags = Ins[i].Flags;
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
- cerr << "Formal argument #" << i << " has unhandled type "
- << ArgVT.getMVTString() << "\n";
- abort();
+#ifndef NDEBUG
+ errs() << "Formal argument #" << i << " has unhandled type "
+ << ArgVT.getEVTString();
+#endif
+ llvm_unreachable(0);
}
}
}
-/// AnalyzeReturn - Analyze the returned values of an ISD::RET node,
+/// AnalyzeReturn - Analyze the returned values of a return,
/// incorporating info about the result values into this state.
-void CCState::AnalyzeReturn(SDNode *TheRet, CCAssignFn Fn) {
+void CCState::AnalyzeReturn(const SmallVectorImpl<ISD::OutputArg> &Outs,
+ CCAssignFn Fn) {
// Determine which register each value should be copied into.
- for (unsigned i = 0, e = TheRet->getNumOperands() / 2; i != e; ++i) {
- MVT VT = TheRet->getOperand(i*2+1).getValueType();
- ISD::ArgFlagsTy ArgFlags =
- cast<ARG_FLAGSSDNode>(TheRet->getOperand(i*2+2))->getArgFlags();
- if (Fn(i, VT, VT, CCValAssign::Full, ArgFlags, *this)){
- cerr << "Return operand #" << i << " has unhandled type "
- << VT.getMVTString() << "\n";
- abort();
+ for (unsigned i = 0, e = Outs.size(); i != e; ++i) {
+ EVT VT = Outs[i].Val.getValueType();
+ ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
+ if (Fn(i, VT, VT, CCValAssign::Full, ArgFlags, *this)) {
+#ifndef NDEBUG
+ errs() << "Return operand #" << i << " has unhandled type "
+ << VT.getEVTString();
+#endif
+ llvm_unreachable(0);
}
}
}
-/// AnalyzeCallOperands - Analyze an ISD::CALL node, incorporating info
-/// about the passed values into this state.
-void CCState::AnalyzeCallOperands(CallSDNode *TheCall, CCAssignFn Fn) {
- unsigned NumOps = TheCall->getNumArgs();
+/// AnalyzeCallOperands - Analyze the outgoing arguments to a call,
+/// incorporating info about the passed values into this state.
+void CCState::AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
+ CCAssignFn Fn) {
+ unsigned NumOps = Outs.size();
for (unsigned i = 0; i != NumOps; ++i) {
- MVT ArgVT = TheCall->getArg(i).getValueType();
- ISD::ArgFlagsTy ArgFlags = TheCall->getArgFlags(i);
+ EVT ArgVT = Outs[i].Val.getValueType();
+ ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
- cerr << "Call operand #" << i << " has unhandled type "
- << ArgVT.getMVTString() << "\n";
- abort();
+#ifndef NDEBUG
+ errs() << "Call operand #" << i << " has unhandled type "
+ << ArgVT.getEVTString();
+#endif
+ llvm_unreachable(0);
}
}
}
/// AnalyzeCallOperands - Same as above except it takes vectors of types
/// and argument flags.
-void CCState::AnalyzeCallOperands(SmallVectorImpl<MVT> &ArgVTs,
+void CCState::AnalyzeCallOperands(SmallVectorImpl<EVT> &ArgVTs,
SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
CCAssignFn Fn) {
unsigned NumOps = ArgVTs.size();
for (unsigned i = 0; i != NumOps; ++i) {
- MVT ArgVT = ArgVTs[i];
+ EVT ArgVT = ArgVTs[i];
ISD::ArgFlagsTy ArgFlags = Flags[i];
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
- cerr << "Call operand #" << i << " has unhandled type "
- << ArgVT.getMVTString() << "\n";
- abort();
+#ifndef NDEBUG
+ errs() << "Call operand #" << i << " has unhandled type "
+ << ArgVT.getEVTString();
+#endif
+ llvm_unreachable(0);
}
}
}
-/// AnalyzeCallResult - Analyze the return values of an ISD::CALL node,
+/// AnalyzeCallResult - Analyze the return values of a call,
/// incorporating info about the passed values into this state.
-void CCState::AnalyzeCallResult(CallSDNode *TheCall, CCAssignFn Fn) {
- for (unsigned i = 0, e = TheCall->getNumRetVals(); i != e; ++i) {
- MVT VT = TheCall->getRetValType(i);
- ISD::ArgFlagsTy Flags = ISD::ArgFlagsTy();
- if (TheCall->isInreg())
- Flags.setInReg();
+void CCState::AnalyzeCallResult(const SmallVectorImpl<ISD::InputArg> &Ins,
+ CCAssignFn Fn) {
+ for (unsigned i = 0, e = Ins.size(); i != e; ++i) {
+ EVT VT = Ins[i].VT;
+ ISD::ArgFlagsTy Flags = Ins[i].Flags;
if (Fn(i, VT, VT, CCValAssign::Full, Flags, *this)) {
- cerr << "Call result #" << i << " has unhandled type "
- << VT.getMVTString() << "\n";
- abort();
+#ifndef NDEBUG
+ errs() << "Call result #" << i << " has unhandled type "
+ << VT.getEVTString();
+#endif
+ llvm_unreachable(0);
}
}
}
/// AnalyzeCallResult - Same as above except it's specialized for calls which
/// produce a single value.
-void CCState::AnalyzeCallResult(MVT VT, CCAssignFn Fn) {
+void CCState::AnalyzeCallResult(EVT VT, CCAssignFn Fn) {
if (Fn(0, VT, VT, CCValAssign::Full, ISD::ArgFlagsTy(), *this)) {
- cerr << "Call result has unhandled type "
- << VT.getMVTString() << "\n";
- abort();
+#ifndef NDEBUG
+ errs() << "Call result has unhandled type "
+ << VT.getEVTString();
+#endif
+ llvm_unreachable(0);
}
}
OpenPOWER on IntegriCloud