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Mark Seaborn 66aefa805b ARM MC: Fix the initial DWARF CFI unwind info at the start of a function 
This brings MC into line with GNU 'as' on ARM, and it brings the ARM
target into line with most other LLVM targets, which declare the
initial CFI state with addInitialFrameState().

Without this, functions generated with .cfi_startproc/endproc on ARM
will tend to cause GDB to abort with:
  gdb/dwarf2-frame.c:1132: internal-error: Unknown CFA rule.

I've also tested this by comparing the output of "readelf -w" on the
object files produced by llvm-mc and gas when given the .s file added
here.

This change is part of addressing PR18636.

Differential Revision: http://llvm-reviews.chandlerc.com/D2597

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200255 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-27 22:38:14 +00:00
autoconf
bindings
cmake [CMake] Put *_exports into "Misc" folder. 2014-01-27 17:39:38 +00:00
docs Updating the getting started guide for Visual Studio a smidge. 2014-01-23 20:46:44 +00:00
examples
include Silence MSVC warning on 'uint16_t |= bool' with a cast 2014-01-27 17:47:11 +00:00
lib ARM MC: Fix the initial DWARF CFI unwind info at the start of a function 2014-01-27 22:38:14 +00:00
projects llvm/projects/CMakeLists.txt: Add dragonegg. 2014-01-24 12:53:08 +00:00
test ARM MC: Fix the initial DWARF CFI unwind info at the start of a function 2014-01-27 22:38:14 +00:00
tools Do not reference llvm-gcc from bugpoint 2014-01-27 13:44:58 +00:00
unittests Roll back the ConstStringRef change for now 2014-01-27 05:24:39 +00:00
utils Don't use EnforceSmallerThan for EnforceVectorSubVectorTypeIs. EnforceSmallerThan doesn't handle vectors quite right and should really enforce that vectors have the same number of elements. Add explicit checks for vector element count differing in EnforceVectorSubVectorTypeIs instead. This removes some unnecessary type checks in X86GenDAGISel.inc. 2014-01-25 17:40:33 +00:00
.arcconfig
.clang-format
.gitignore Added .DS_Store entry in .gitignore for ignoring .DS_Store files in the source 2014-01-25 15:15:16 +00:00
CMakeLists.txt [CMake] Introduce new scheme of LLVM_TOOLS_BINARY_DIR and LLVM_LIBRARY_DIR 2014-01-19 12:52:10 +00:00
CODE_OWNERS.TXT
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile Fix bad variable syntax in r199413 2014-01-17 00:40:39 +00:00
Makefile.common
Makefile.config.in
Makefile.rules
README.txt

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