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dc86704114
void foo() { __builtin_unreachable(); }
It will output the following on Darwin X86:
_func1:
Leh_func_begin0:
pushq %rbp
Ltmp0:
movq %rsp, %rbp
Ltmp1:
Leh_func_end0:
This prolog adds a new Call Frame Information (CFI) row to the FDE with an
address that is not within the address range of the code it describes -- part is
equal to the end of the function -- and therefore results in an invalid EH
frame. If we emit a nop in this situation, then the CFI row is now within the
address range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108568 91177308-0d34-0410-b5e6-96231b3b80d8
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|---|---|---|
| .. | ||
| AsmPrinter.cpp | ||
| AsmPrinterDwarf.cpp | ||
| AsmPrinterInlineAsm.cpp | ||
| CMakeLists.txt | ||
| DIE.cpp | ||
| DIE.h | ||
| DwarfDebug.cpp | ||
| DwarfDebug.h | ||
| DwarfException.cpp | ||
| DwarfException.h | ||
| Makefile | ||
| OcamlGCPrinter.cpp | ||