Add "inreg" field to CallSDNode (doesn't increase
its size). Adjust various lowering functions to
pass this info through from CallInst. Use it to
implement sseregparm returns on X86. Remove
X86_ssecall calling convention.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56677 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index dc9d654..7690250 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -4123,8 +4123,9 @@
std::pair<SDValue,SDValue> Result =
TLI.LowerCallTo(getRoot(), CS.getType(),
CS.paramHasAttr(0, Attribute::SExt),
- CS.paramHasAttr(0, Attribute::ZExt),
- FTy->isVarArg(), CS.getCallingConv(),
+ CS.paramHasAttr(0, Attribute::ZExt), FTy->isVarArg(),
+ CS.paramHasAttr(0, Attribute::InReg),
+ CS.getCallingConv(),
IsTailCall && PerformTailCallOpt,
Callee, Args, DAG);
if (CS.getType() != Type::VoidTy)
@@ -5050,8 +5051,9 @@
Args.push_back(Entry);
std::pair<SDValue,SDValue> Result =
- TLI.LowerCallTo(getRoot(), I.getType(), false, false, false, CallingConv::C,
- PerformTailCallOpt, DAG.getExternalSymbol("malloc", IntPtr),
+ TLI.LowerCallTo(getRoot(), I.getType(), false, false, false, false,
+ CallingConv::C, PerformTailCallOpt,
+ DAG.getExternalSymbol("malloc", IntPtr),
Args, DAG);
setValue(&I, Result.first); // Pointers always fit in registers
DAG.setRoot(Result.second);
@@ -5065,7 +5067,7 @@
Args.push_back(Entry);
MVT IntPtr = TLI.getPointerTy();
std::pair<SDValue,SDValue> Result =
- TLI.LowerCallTo(getRoot(), Type::VoidTy, false, false, false,
+ TLI.LowerCallTo(getRoot(), Type::VoidTy, false, false, false, false,
CallingConv::C, PerformTailCallOpt,
DAG.getExternalSymbol("free", IntPtr), Args, DAG);
DAG.setRoot(Result.second);
@@ -5234,6 +5236,7 @@
std::pair<SDValue, SDValue>
TargetLowering::LowerCallTo(SDValue Chain, const Type *RetTy,
bool RetSExt, bool RetZExt, bool isVarArg,
+ bool isInreg,
unsigned CallingConv, bool isTailCall,
SDValue Callee,
ArgListTy &Args, SelectionDAG &DAG) {
@@ -5326,10 +5329,11 @@
LoweredRetTys.push_back(MVT::Other); // Always has a chain.
// Create the CALL node.
- SDValue Res = DAG.getCall(CallingConv, isVarArg, isTailCall,
+ SDValue Res = DAG.getCall(CallingConv, isVarArg, isTailCall, isInreg,
DAG.getVTList(&LoweredRetTys[0],
LoweredRetTys.size()),
- &Ops[0], Ops.size());
+ &Ops[0], Ops.size()
+ );
Chain = Res.getValue(LoweredRetTys.size() - 1);
// Gather up the call result into a single value.