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/CallingConvLower.cpp b/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
index a6f52dd..c007779 100644
--- a/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
+++ b/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
@@ -126,7 +126,10 @@
void CCState::AnalyzeCallResult(CallSDNode *TheCall, CCAssignFn Fn) {
for (unsigned i = 0, e = TheCall->getNumRetVals(); i != e; ++i) {
MVT VT = TheCall->getRetValType(i);
- if (Fn(i, VT, VT, CCValAssign::Full, ISD::ArgFlagsTy(), *this)) {
+ ISD::ArgFlagsTy Flags = ISD::ArgFlagsTy();
+ if (TheCall->isInreg())
+ Flags.setInReg();
+ if (Fn(i, VT, VT, CCValAssign::Full, Flags, *this)) {
cerr << "Call result #" << i << " has unhandled type "
<< VT.getMVTString() << "\n";
abort();