X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FTargetOptionsImpl.cpp;h=8d2048fa047f0941a6896dfc24a2c1ec0c7cd335;hb=3f45c27d19f4315437d493ed3c9429b57e2cc59c;hp=618d903a0904a7ff268274804e4cebf899381693;hpb=63dea2c95275ffcb3ff916946c6961f65aec7dae;p=oota-llvm.git diff --git a/lib/CodeGen/TargetOptionsImpl.cpp b/lib/CodeGen/TargetOptionsImpl.cpp index 618d903a090..8d2048fa047 100644 --- a/lib/CodeGen/TargetOptionsImpl.cpp +++ b/lib/CodeGen/TargetOptionsImpl.cpp @@ -12,23 +12,26 @@ //===----------------------------------------------------------------------===// #include "llvm/IR/Function.h" +#include "llvm/IR/Module.h" #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineFunction.h" +#include "llvm/Target/TargetFrameLowering.h" #include "llvm/Target/TargetOptions.h" +#include "llvm/Target/TargetSubtargetInfo.h" using namespace llvm; /// DisableFramePointerElim - This returns true if frame pointer elimination /// optimization should be disabled for the given machine function. 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. - if (MF.getFunction()->hasFnAttribute("no-frame-pointer-elim-non-leaf") && - !NoFramePointerElim) { - const MachineFrameInfo *MFI = MF.getFrameInfo(); - return MFI->hasCalls(); - } + // Check to see if we should eliminate all frame pointers. + if (MF.getSubtarget().getFrameLowering()->noFramePointerElim(MF)) + return true; - return NoFramePointerElim; + // Check to see if we should eliminate non-leaf frame pointers. + if (MF.getFunction()->hasFnAttribute("no-frame-pointer-elim-non-leaf")) + return MF.getFrameInfo()->hasCalls(); + + return false; } /// LessPreciseFPMAD - This flag return true when -enable-fp-mad option @@ -44,17 +47,3 @@ bool TargetOptions::LessPreciseFPMAD() const { bool TargetOptions::HonorSignDependentRoundingFPMath() const { return !UnsafeFPMath && HonorSignDependentRoundingFPMathOption; } - -/// getTrapFunctionName - If this returns a non-empty string, this means isel -/// should lower Intrinsic::trap to a call to the specified function name -/// instead of an ISD::TRAP node. -StringRef TargetOptions::getTrapFunctionName() const { - return TrapFuncName; -} - -/// getCFIFuncName - If this returns a non-empty string, then it is the name of -/// the function that gets called on CFI violations in CFI non-enforcing mode -/// (!TargetOptions::CFIEnforcing). -StringRef TargetOptions::getCFIFuncName() const { - return CFIFuncName; -}