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LLVM backend for 6502
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418d0cf1c1
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Diego Novillo 418d0cf1c1 Support using sample profiles with partial debug info. 
Summary:
When using a profile, we used to require the use -gmlt so that we could
get access to the line locations. This is used to match line numbers in
the input profile to the line numbers in the function's IR.

But this is actually not necessary. The driver can provide source
location tracking without the emission of debug information. In these
cases, the annotation 'llvm.dbg.cu' is missing from the IR, but the
actual line location annotations are still present.

This patch adds a new way of looking for the start of the current
function. Instead of looking through the compile units in llvm.dbg.cu,
we can walk up the scope for the first instruction in the function with
a debug loc. If that describes the function, we use it. Otherwise, we
keep looking until we find one.

If no such instruction is found, we then give up and produce an error.

Reviewers: echristo, dblaikie

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5887

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220382 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-22 12:59:00 +00:00
autoconf Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
bindings [OCaml] Fix a typo in documentation. 2014-10-22 10:24:05 +00:00
cmake Teach lit to filter the host LDFLAGS down from the build system and into 2014-10-21 00:36:28 +00:00
docs Try to fix documentation bot warning 2014-10-22 00:15:53 +00:00
examples Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
include Revert "Teach the load analysis to allow finding available values which require" (r220277) 2014-10-21 23:49:52 +00:00
lib Support using sample profiles with partial debug info. 2014-10-22 12:59:00 +00:00
projects
test Support using sample profiles with partial debug info. 2014-10-22 12:59:00 +00:00
tools Handle spaces and quotes in file names in MRI scripts. 2014-10-22 03:10:56 +00:00
unittests Silence gcc's -Wcomment 2014-10-22 02:16:06 +00:00
utils [lit] Fix Python-3 compatibility, patch by Dan Liew. 2014-10-22 01:26:06 +00:00
.arcconfig
.clang-format
.clang-tidy Add .clang-tidy configuration file to provide LLVM-optimized defaults for 2014-09-08 13:30:00 +00:00
.gitignore Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
CMakeLists.txt Add LLVM_ENABLE_MODULES flag to CMake to enable building with C++ modules. 2014-09-26 22:40:15 +00:00
CODE_OWNERS.TXT Add Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +00:00
configure Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
Makefile.rules Revert my earlier change to add "all" as a dependency to check. In 2014-09-19 18:44:27 +00:00
README.txt

README.txt 

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