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Author SHA1 Message Date
Andrew Trick 89fc5a6627 ...in light of recent activity related to llvm.memcpy flags. I want to 
prevent an llvm developer from mistakenly thinking that just because the
intrinsic has volatile flags that volatile operations can be converted
to or folded into them.

Platforms may rely on volatile loads and stores of natively supported
data width to be executed as single instruction. When compiling
C, this expectation likely holds for l-values of volatile primitive
types with native hardware support, but not necessarily for aggregate
types. The frontend upholds these expectations, which are not
specified in the IR.

llvm-svn: 173974
 2013-01-30 21:19:35 +00:00
Hal Finkel efb305e54c Add definitions for the PPC a2q core marked as having QPX available 
This is the first commit of a large series which will add support for the
QPX vector instruction set to the PowerPC backend. This instruction set is
used on the IBM Blue Gene/Q supercomputers.

llvm-svn: 173973
 2013-01-30 21:17:42 +00:00
Eli Bendersky 0b85ba7d9e Remove a mention of TargetInstrDescriptor, which no longer exists in the code 
llvm-svn: 173971
 2013-01-30 20:54:21 +00:00
Argyrios Kyrtzidis a94bd438f8 Revert "[preprocessor] Don't warn about "disabled expansion of recursive macro"" 
This reverts commit r173952

llvm-svn: 173970
 2013-01-30 20:42:17 +00:00
Sean Silva 1330eccb5f [docs] Guide prospective TableGen backend writers. 
Boilerplate is often the hardest part of getting started with these
kinds of things, so throw them a bone.

llvm-svn: 173969
 2013-01-30 20:39:46 +00:00
Michael J. Spencer b3c04d28c8 [ELF] Fix circular initialization bug. 
llvm-svn: 173968
 2013-01-30 20:36:56 +00:00
Michael J. Spencer 901fd6a4c8 [ELF] Use the target's LayoutHandler. 
llvm-svn: 173966
 2013-01-30 20:05:27 +00:00
Richard Trieu 90c31f51c6 Handle passing non-Qualtypes to %diff better. Instead of asserting, fall back 
to printing the default case.  This is a fix for PR15023.

llvm-svn: 173965
 2013-01-30 20:04:31 +00:00
Tanya Lattner 0f86433efb Add OpenCL error that a kernel function must have void return type. Includes a test case. 
llvm-svn: 173963
 2013-01-30 19:48:52 +00:00
Bill Wendling 866fc41060 Use the number of 'slots' in the AttributeSetImpl being 0 to indicate that the AttributeSet is empty. 
llvm-svn: 173962
 2013-01-30 19:39:21 +00:00
Jordan Rose 9588a02b77 Fix comment in test/Lexer/utf8-invalid.c for updates in r173959. 
llvm-svn: 173961
 2013-01-30 19:29:14 +00:00
Eli Bendersky faf5e3e6b0 Clean up whitespace and indentation a bit 
llvm-svn: 173960
 2013-01-30 19:24:23 +00:00
Jordan Rose f649795f84 Fix r173881 to properly skip invalid UTF-8 characters in raw lexing and -E. 
This caused hangs as we processed the same invalid byte over and over.

<rdar://problem/13115651>

llvm-svn: 173959
 2013-01-30 19:21:12 +00:00
Anna Zaks c84d151892 [analyzer] Make shallow mode more shallow. 
Redefine the shallow mode to inline all functions for which we have a
definite definition (ipa=inlining). However, only inline functions that
are up to 4 basic blocks large and cut the max exploded nodes generated
per top level function in half.

This makes shallow faster and allows us to keep inlining small
functions. For example, we would keep inlining wrapper functions and
constructors/destructors.

With the new shallow, it takes 104s to analyze sqlite3, whereas
the deep mode is 658s and previous shallow is 209s.

llvm-svn: 173958
 2013-01-30 19:12:39 +00:00
Anna Zaks 66b9f1660e [analyzer] Use analyzer config for max-inlinable-size option. 
llvm-svn: 173957
 2013-01-30 19:12:36 +00:00
Anna Zaks be60830378 [analyzer] Move report false positive suppression to report visitors. 
llvm-svn: 173956
 2013-01-30 19:12:34 +00:00
Anna Zaks 70aa53180d [analyzer] Remove further references to analyzer-ipa. 
Thanks Jordan!

llvm-svn: 173955
 2013-01-30 19:12:26 +00:00
Ted Kremenek 23813454e9 scan-build: When using Xcode 4.6, use build settings for doing proper build interposition. 
llvm-svn: 173954
 2013-01-30 19:10:24 +00:00
Ted Kremenek f2ca8ec2b9 Hoist retrieval of Expr* into caller. No functionality change. 
Just makes the code a little cleaner, and easier to reason about.

llvm-svn: 173953
 2013-01-30 19:10:21 +00:00
Argyrios Kyrtzidis 8c8684bbe1 [preprocessor] Don't warn about "disabled expansion of recursive macro" 
for "#define X X".

This is a pattern that, for example, stdbool.h uses.
rdar://12435773

llvm-svn: 173952
 2013-01-30 18:55:52 +00:00
Jordan Rose 4cf4f8a5d4 [analyzer] Model trivial copy/move ctors with an aggregate bind. 
This is faster for the analyzer to process than inlining the constructor
and performing a member-wise copy, and it also solves the problem of
warning when a partially-initialized POD struct is copied.

Before:
  CGPoint p;
  p.x = 0;
  CGPoint p2 = p; <-- assigned value is garbage or undefined

After:
  CGPoint p;
  p.x = 0;
  CGPoint p2 = p; // no-warning

This matches our behavior in C, where we don't see a field-by-field copy.

<rdar://problem/12305288>

llvm-svn: 173951
 2013-01-30 18:16:06 +00:00
Dmitri Gribenko 2625cf06ff Documentation: fix escaping in JSON example 
llvm-svn: 173950
 2013-01-30 17:58:39 +00:00
Dmitri Gribenko b46dc57feb Documentation: add a link to Bear, a tool to help with JSON DB 
Patch by Laszlo Nagy

llvm-svn: 173949
 2013-01-30 17:58:14 +00:00
James Dennett a11a4e7ec6 Documentation: fix link to ExecuteAction(), which was previously typoed as 
"ExecutionAction()".

llvm-svn: 173948
 2013-01-30 17:53:07 +00:00
Enrico Granata 54f279fff6 <rdar://problem/12552374> & <rdar://problem/13100674> 
The vtable pointer field is not necessarily a pointer and hence cannot be used for validation

llvm-svn: 173947
 2013-01-30 17:44:16 +00:00
Manman Ren 81dcc62805 Linker: correctly link in dbg.declare 
Given source IR:
call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !14), !dbg !15
we used to generate 
call void @llvm.dbg.declare(metadata !27, metadata !28), !dbg !29
!27 = metadata !{null}

With this patch, we will correctly generate
call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !27), !dbg !28

Looking up %argc.addr in ValueMap will return null, since %argc.addr is already
correctly set up, we can use identity mapping.

llvm-svn: 173946
 2013-01-30 17:42:15 +00:00
Eli Bendersky 2e2ce49e59 Add a special ARM trap encoding for NaCl. 
More details in this thread: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130128/163783.html

Patch by JF Bastien

llvm-svn: 173943
 2013-01-30 16:30:19 +00:00
Shankar Easwaran e07245cdfc hexagon targetinfo changes for getting the relocation kind from string and vice versa 
llvm-svn: 173942
 2013-01-30 16:05:43 +00:00
Logan Chien a436e4c7e4 Add missing header and test cases for r173939. 
llvm-svn: 173941
 2013-01-30 15:48:50 +00:00
Logan Chien 2bcc42c730 Override virtual function for ARM EH directives. 
llvm-svn: 173939
 2013-01-30 15:39:04 +00:00
Shankar Easwaran ddb122811b simplify hexagon relocations handling 
llvm-svn: 173938
 2013-01-30 15:38:41 +00:00
Dmitri Gribenko aa073de21a llvm/Basic/ConvertUTF.h now exposes all functions without macro tricks 
llvm-svn: 173937
 2013-01-30 15:12:30 +00:00
Dmitri Gribenko 3c5210b2b8 LLDB uses ConvertUTF16toUTF8, remove #ifdef 
llvm-svn: 173936
 2013-01-30 15:10:12 +00:00
Dmitri Gribenko 024aa8539f UTF conversion routines were moved from clang/Basic to llvm/Support 
llvm-svn: 173935
 2013-01-30 15:05:59 +00:00
Dmitri Gribenko efe3038fbf Comment parsing: fold named character references test into other HTML tests 
llvm-svn: 173934
 2013-01-30 14:44:47 +00:00
Dmitry Vyukov 00e0236665 asan/tsan: manually define FUTEX constants, because <linux/futes.h> header is broken on some linux distributions 
llvm-svn: 173933
 2013-01-30 14:39:27 +00:00
Dmitry Vyukov 087efd23d6 tsan: fix CPP_WEAK definition (it must be the other way around) 
llvm-svn: 173932
 2013-01-30 14:38:44 +00:00
Dmitri Gribenko 28800da1b3 Comment parsing: resolve more named character references 
This reimplements r173850 with a better approach:
(1) use a TableGen-generated matcher instead of doing a linear search;
(2) avoid allocations for new strings by converting code points to string
    iterals with TableGen.

llvm-svn: 173931
 2013-01-30 14:29:28 +00:00
Alexey Samsonov 32832e6176 [Sanitizer] include sanitizer_common headers when building interception library 
llvm-svn: 173930
 2013-01-30 14:27:41 +00:00
Alexey Samsonov c500132a93 [Sanitizer] Add change missed in r173926 
llvm-svn: 173929
 2013-01-30 13:19:15 +00:00
Evgeniy Stepanov 358698279d [sanitizer] Further split private and public sanitizer headers. 
And make msan_interface.h C-compatible.

llvm-svn: 173928
 2013-01-30 13:12:08 +00:00
Dmitri Gribenko b1c1f90314 Revert unintended change 
llvm-svn: 173927
 2013-01-30 12:40:40 +00:00
Alexey Samsonov 0d92533b29 Use LLVM_BUILD_TYPE instead of CMAKE_BUILD_TYPE in compiler-rt unit tests to match the behavior of llvm unittests 
llvm-svn: 173926
 2013-01-30 12:18:49 +00:00
Dmitri Gribenko 37bf6d9c4d Index/special-html-characters.m: mark this as XFAIL for valgrind 
Fix is being discussed on cfe-dev.

llvm-svn: 173925
 2013-01-30 12:17:33 +00:00
Dmitri Gribenko 9feeef40f5 Move UTF conversion routines from clang/lib/Basic to llvm/lib/Support 
This is required to use them in TableGen.

llvm-svn: 173924
 2013-01-30 12:06:08 +00:00
Dmitri Gribenko b311f4e84a Move UTF conversion routines from clang/lib/Basic to llvm/lib/Support 
This is required to use them in TableGen.

llvm-svn: 173923
 2013-01-30 12:05:05 +00:00
Michael J. Spencer 23d23953b3 [ELF][x86-64] Add TargetLayout. 
llvm-svn: 173922
 2013-01-30 10:43:25 +00:00
Michael J. Spencer 8254185eea Whitespace. 
llvm-svn: 173921
 2013-01-30 10:43:10 +00:00
Evgeniy Stepanov 5725e5b715 [msan] Remove an extra #ifdef. 
__has_feature is always defined at this point.

llvm-svn: 173920
 2013-01-30 09:56:11 +00:00
Daniel Jasper 21cdc848f4 Don't touch unchanged file for in-place edit. 
This fixes llvm.org/PR15087.

llvm-svn: 173919
 2013-01-30 09:52:38 +00:00