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Reid Kleckner fc2be394ef [WinEH] Emit prologues and epilogues for funclets 
Summary:
32-bit funclets have short prologues that allocate enough stack for the
largest call in the whole function. The runtime saves CSRs for the
funclet. It doesn't restore CSRs after we finally transfer control back
to the parent funciton via a CATCHRET, but that's a separate issue.
32-bit funclets also have to adjust the incoming EBP value, which is
what llvm.x86.seh.recoverframe does in the old model.

64-bit funclets need to spill CSRs as normal. For simplicity, this just
spills the same set of CSRs as the parent function, rather than trying
to compute different CSR sets for the parent function and each funclet.
64-bit funclets also allocate enough stack space for the largest
outgoing call frame, like 32-bit.

Reviewers: majnemer

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D12546

llvm-svn: 247092
2015-09-08 22:44:41 +00:00
autoconf Add an exposed variable for which c++ compiler we're using for our 2015-08-17 22:46:26 +00:00
bindings [bindings] Update Go bindings to DIBuilder 2015-09-06 02:22:15 +00:00
cmake [CMake][CMP0051] Avoid for user of objlib to use llvm_update_compile_flags(). 2015-09-08 07:42:06 +00:00
docs Revert r247080, "LowerBitSets: Extend pass to support functions as bitset 2015-09-08 22:33:23 +00:00
examples Kaleidoscope: Prune __attribute__((used)). Some compilers wouldn't accept one. 2015-08-28 03:34:33 +00:00
include [WinEH] Emit prologues and epilogues for funclets 2015-09-08 22:44:41 +00:00
lib [WinEH] Emit prologues and epilogues for funclets 2015-09-08 22:44:41 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
test [WinEH] Emit prologues and epilogues for funclets 2015-09-08 22:44:41 +00:00
tools [llvm-readobj] Shrink code a little bit. No functional change. 2015-09-07 20:47:03 +00:00
unittests Adding full stops to comments 2015-09-04 15:28:13 +00:00
utils [TableGen] Use make_unique. NFC. 2015-09-06 03:44:50 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Minor updates to gitignore so that symlinks are ignored in the projects dir. 2015-07-07 20:24:58 +00:00
CMakeLists.txt [cmake] rework LLVM_LINK_LLVM_DYLIB option handling 2015-09-05 08:27:33 +00:00
CODE_OWNERS.TXT CODE_OWNERS.TXT is supposed to be sorted by surname 2015-09-07 00:41:40 +00:00
configure Add an exposed variable for which c++ compiler we're using for our 2015-08-17 22:46:26 +00:00
CREDITS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
Makefile.rules We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.