Move addFrameInst out of line and remove the MCDwarf.h include.

This removes 500 transitive dependencies for a modification of
MCDwarf.h in a build of llc for a single out of line function
and reduces the build overhead by more than half without impacting
test time of check-llvm.

llvm-svn: 358255

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index f58ade81f22..88a7d15c299 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -273,6 +273,12 @@ bool MachineFunction::shouldSplitStack() const {
   return getFunction().hasFnAttribute("split-stack");
 }
 
+LLVM_NODISCARD unsigned
+MachineFunction::addFrameInst(const MCCFIInstruction &Inst) {
+  FrameInstructions.push_back(Inst);
+  return FrameInstructions.size() - 1;
+}
+
 /// This discards all of the MachineBasicBlock numbers and recomputes them.
 /// This guarantees that the MBB numbers are sequential, dense, and match the
 /// ordering of the blocks within the function.  If a specific MachineBasicBlock