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| author | Robert Lougher <rob.lougher@gmail.com> | 2017-09-12 16:35:25 +0000 |
|---|---|---|
| committer | Robert Lougher <rob.lougher@gmail.com> | 2017-09-12 16:35:25 +0000 |
| commit | f696a22d3cea40534e7b14174998acf176a436d1 (patch) | |
| tree | 6f126000402563516da586352c2c772666743b92 /llvm/lib/CodeGen/AsmPrinter | |
| parent | 9f1be02fa333f7d9d4a6b3021181d15df847c03c (diff) | |
| download | bcm5719-llvm-f696a22d3cea40534e7b14174998acf176a436d1.tar.gz bcm5719-llvm-f696a22d3cea40534e7b14174998acf176a436d1.zip | |
[DWARF] Incorrect prologue end line record.
A prologue-end line record is emitted with an incorrect associated address,
which causes a debugger to show the beginning of function body to be inside
the prologue.
Patch written by Carlos Alberto Enciso.
Differential Revision: https://reviews.llvm.org/D37625
llvm-svn: 313047
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index e44ad4ea302..835ca1f2852 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1158,7 +1158,9 @@ void DwarfDebug::beginInstruction(const MachineInstr *MI) { return; // Check if source location changes, but ignore DBG_VALUE and CFI locations. - if (MI->isMetaInstruction()) + // If the instruction is part of the function frame setup code, do not emit + // any line record, as there is no correspondence with any user code. + if (MI->isMetaInstruction() || MI->getFlag(MachineInstr::FrameSetup)) return; const DebugLoc &DL = MI->getDebugLoc(); // When we emit a line-0 record, we don't update PrevInstLoc; so look at |
