CXX_FAST_TLS calling convention: target independent portion.
Update supportSplitCSR's interface to take machine function instead of the
calling convention.
Review comments for http://reviews.llvm.org/D15341
llvm-svn: 255818
diff --git a/llvm/include/llvm/Target/TargetLowering.h b/llvm/include/llvm/Target/TargetLowering.h
index a105917..a30b060 100644
--- a/llvm/include/llvm/Target/TargetLowering.h
+++ b/llvm/include/llvm/Target/TargetLowering.h
@@ -2264,8 +2264,8 @@
}
/// Return true if the target supports that a subset of CSRs for the given
- /// calling convention is handled explicitly via copies.
- virtual bool supportSplitCSR(CallingConv::ID CC) const {
+ /// machine function is handled explicitly via copies.
+ virtual bool supportSplitCSR(MachineFunction *MF) const {
return false;
}
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 5f3e4a0..853a21a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -470,9 +470,9 @@
FuncInfo->SplitCSR = false;
SmallVector<MachineBasicBlock*, 4> Returns;
- // We split CSR if the target supports it for the given calling convention
+ // We split CSR if the target supports it for the given function
// and the function has only return exits.
- if (TLI->supportSplitCSR(Fn.getCallingConv())) {
+ if (TLI->supportSplitCSR(MF)) {
FuncInfo->SplitCSR = true;
// Collect all the return blocks.