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| author | David Candler <david.candler@arm.com> | 2019-10-31 08:55:57 +0000 |
|---|---|---|
| committer | David Candler <david.candler@arm.com> | 2019-10-31 09:48:30 +0000 |
| commit | 92aa0c2dbcb723d102c508f6e7559330b637f912 (patch) | |
| tree | c4935901211b87e2c4988d5a01110f9d3ce300f3 /llvm/lib/CodeGen/MachineFunction.cpp | |
| parent | 9c739252261ea762d1bbbd8234d93c9038711fcd (diff) | |
| download | bcm5719-llvm-92aa0c2dbcb723d102c508f6e7559330b637f912.tar.gz bcm5719-llvm-92aa0c2dbcb723d102c508f6e7559330b637f912.zip | |
[cfi] Add flag to always generate .debug_frame
This adds a flag to LLVM and clang to always generate a .debug_frame
section, even if other debug information is not being generated. In
situations where .eh_frame would normally be emitted, both .debug_frame
and .eh_frame will be used.
Differential Revision: https://reviews.llvm.org/D67216
Diffstat (limited to 'llvm/lib/CodeGen/MachineFunction.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineFunction.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp index d75e77d4613..115aad3880f 100644 --- a/llvm/lib/CodeGen/MachineFunction.cpp +++ b/llvm/lib/CodeGen/MachineFunction.cpp @@ -520,6 +520,13 @@ void MachineFunction::print(raw_ostream &OS, const SlotIndexes *Indexes) const { OS << "\n# End machine code for function " << getName() << ".\n\n"; } +/// True if this function needs frame moves for debug or exceptions. +bool MachineFunction::needsFrameMoves() const { + return getMMI().hasDebugInfo() || + getTarget().Options.ForceDwarfFrameSection || + F.needsUnwindTableEntry(); +} + namespace llvm { template<> |
