Replace the "NoFramePointerElimNonLeaf" target option with a function attribute.
There's no need to specify a flag to omit frame pointer elimination on non-leaf
nodes...(Honestly, I can't parse that option out.) Use the function attribute
stuff instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187093 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetOptionsImpl.cpp b/lib/CodeGen/TargetOptionsImpl.cpp
index b5d4160..7a39a4c 100644
--- a/lib/CodeGen/TargetOptionsImpl.cpp
+++ b/lib/CodeGen/TargetOptionsImpl.cpp
@@ -11,6 +11,7 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/IR/Function.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/Target/TargetOptions.h"
@@ -21,6 +22,9 @@
bool TargetOptions::DisableFramePointerElim(const MachineFunction &MF) const {
// Check to see if we should eliminate non-leaf frame pointers and then
// check to see if we should eliminate all frame pointers.
+ bool NoFramePointerElimNonLeaf =
+ MF.getFunction()->getFnAttribute("no-frame-pointer-elim-non-leaf")
+ .getValueAsString() == "true";
if (NoFramePointerElimNonLeaf && !NoFramePointerElim) {
const MachineFrameInfo *MFI = MF.getFrameInfo();
return MFI->hasCalls();