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12 Commits

Author SHA1 Message Date
David Blaikie
c098708220 DIEHash: Use DW_FORM_sdata for integers, per spec. 
This allows us to produce the same hash as GCC for at least some simple
examples.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192855 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-16 23:36:20 +00:00
Benjamin Kramer
55c06ae7af Revert "Give internal classes hidden visibility." 
It works with clang, but GCC has different rules so we can't make all of those
hidden. This reverts commit r190534.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190536 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-11 18:05:11 +00:00
Benjamin Kramer
15f387c93e Give internal classes hidden visibility. 
Worth 100k on a linux/x86_64 Release+Asserts clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190534 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-11 17:42:27 +00:00
Eric Christopher
800a876128 Add a hashing routine that handles hashing types. Add a test for 
hashing the contents of DW_FORM_data1 on top of a type with attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189862 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-03 21:57:57 +00:00
Eric Christopher
41627cf813 Sentences end with periods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189861 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-03 21:57:50 +00:00
Eric Christopher
bd18c8d090 Add the rest of the stock attributes to the attribute table. 
This won't affect the kinds of hashes we test for as we actually
do hashing based on form and attribute. Change the fission-hash
testcase one last time to handle DW_AT_comp_dir.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189840 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-03 20:00:20 +00:00
Eric Christopher
7ced4fa257 Add support for DW_FORM_dataN and DW_FORM_udata to the DIE hashing 
algorithm. Update the split dwarf hashing testcase accordingly - this
should be the last time that the hash of an empty file changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189427 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-28 00:10:38 +00:00
David Blaikie
cbb5c73942 DebugInfo: Prefer references over pointers, pass by const reference for a type that will grow in the future 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188422 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-14 22:23:05 +00:00
Evgeniy Stepanov
15ab9f4aaa Pass DIEHash::collectAttributes output argument by-pointer instead of by-value. 
Before this, collectAttributes() was operating on a local object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188254 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-13 07:57:01 +00:00
Eric Christopher
0710bfa866 Add the start of DIE hashing for DWARF4 type units and split dwarf 
CUs.

Currently only hashes the name of CUs and the names of any children,
but it's an obvious first step to show the framework. The testcase
should continue to be correct, however, as it's an empty TU.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188243 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-13 01:21:55 +00:00
Eric Christopher
11de8539cb Remove empty constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188232 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-12 23:59:18 +00:00
Eric Christopher
0d27ca145f Move hash computation code into a separate class and file. 
No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188028 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-08 23:45:55 +00:00