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author | Dimitry Andric <dim@FreeBSD.org> | 2015-05-27 18:44:32 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2015-05-27 18:44:32 +0000 |
commit | 5a5ac124e1efaf208671f01c46edb15f29ed2a0b (patch) | |
tree | a6140557876943cdd800ee997c9317283394b22c /lib/CodeGen/TargetFrameLoweringImpl.cpp | |
parent | f03b5bed27d0d2eafd68562ce14f8b5e3f1f0801 (diff) | |
download | src-5a5ac124e1efaf208671f01c46edb15f29ed2a0b.tar.gz src-5a5ac124e1efaf208671f01c46edb15f29ed2a0b.zip |
Vendor import of llvm trunk r238337:vendor/llvm/llvm-trunk-r238337
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=283625
svn path=/vendor/llvm/llvm-trunk-r238337/; revision=283626; tag=vendor/llvm/llvm-trunk-r238337
Diffstat (limited to 'lib/CodeGen/TargetFrameLoweringImpl.cpp')
-rw-r--r-- | lib/CodeGen/TargetFrameLoweringImpl.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/CodeGen/TargetFrameLoweringImpl.cpp b/lib/CodeGen/TargetFrameLoweringImpl.cpp index 1557d10238e9..56383247eadb 100644 --- a/lib/CodeGen/TargetFrameLoweringImpl.cpp +++ b/lib/CodeGen/TargetFrameLoweringImpl.cpp @@ -14,6 +14,7 @@ #include "llvm/Target/TargetFrameLowering.h" #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineFunction.h" +#include "llvm/IR/Function.h" #include "llvm/Target/TargetRegisterInfo.h" #include "llvm/Target/TargetSubtargetInfo.h" #include <cstdlib> @@ -22,6 +23,12 @@ using namespace llvm; TargetFrameLowering::~TargetFrameLowering() { } +/// The default implementation just looks at attribute "no-frame-pointer-elim". +bool TargetFrameLowering::noFramePointerElim(const MachineFunction &MF) const { + auto Attr = MF.getFunction()->getFnAttribute("no-frame-pointer-elim"); + return Attr.getValueAsString() == "true"; +} + /// getFrameIndexOffset - Returns the displacement from the frame register to /// the stack frame of the specified index. This is the default implementation /// which is overridden for some targets. @@ -42,3 +49,8 @@ int TargetFrameLowering::getFrameIndexReference(const MachineFunction &MF, FrameReg = RI->getFrameRegister(MF); return getFrameIndexOffset(MF, FI); } + +bool TargetFrameLowering::needsFrameIndexResolution( + const MachineFunction &MF) const { + return MF.getFrameInfo()->hasStackObjects(); +} |