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2013-02-28AArch64: don't drop GlobalAddress offset when handling extern_weak decls.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Add the -disable-opt option to LTO. This adds:Bill Wendling
- Consistency with opt (which supports the same option with the same meaning and description). - Debugging gold plugin-based linking without optimizations getting in the way. - Debugging programs linked with the gold plugin while preserving the original debug info. - Fine-grained control over LTO passes using the gold plugin in combination with opt (or clang/dragonegg). Patch by Cristiano Giuffrida! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176257 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: Use cbnz instead of cmp/b.ne pair for atomic operations.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176253 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[msan] Implement sanitize_memory attribute.Evgeniy Stepanov
Shadow checks are disabled and memory loads always produce fully initialized values in functions that don't have a sanitize_memory attribute. Value and argument shadow is propagated as usual. This change also updates blacklist behaviour to match the above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176247 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Corrections for XFAIL armv5 testsRenato Golin
Most of the tests that behave differently on llvm-arm-linux buildbot did so becase the triple wasn't set correctly to armv5, so we can revert most of the special behaviour added previously. Some tests still need the special treatment, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176243 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Remove unused leftover declarations.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176240 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Enable syntax highlighting for reStructuredText files.Bill Wendling
Patch by Journeyer J. Joh! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176235 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[Support][ErrorOr] Add support for implicit conversion from error ↵Michael J. Spencer
code/condition enums. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176228 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[PathV2] In llvm::sys::fs::unique_file, make sure it doesn't fall into an ↵Argyrios Kyrtzidis
infinite loop by constantly trying to create the parent path. This can happen if the path is a relative filename and the current directory was removed. Thanks to Daniel D. for the hint in fixing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176226 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix a problem in alias analysis. It is about the misinterpretation of "Object".Shuxin Yang
This problem is exposed by r171325 which is already reverted. It is rather hard to fabricate a testing case without it. r171325 should *NOT* be resurrected as it has a potential problem although this problem dosen't directly contribute to PR14988. The bug is tracked by: - rdar://13063553, and - http://llvm.org/bugs/show_bug.cgi?id=14988 Thank Arnold for coming up a better solution to this problem. After comparing this solution and my original proposal, I decided to ditch mine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176225 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove unnecessary check against isGlobalVariable. We check itEric Christopher
a few lines above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176224 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Rework comment slightly and fix a few typos.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176223 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove unnecessary cast to void.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176222 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, always put AT_MIPS_linkage_name to theManman Ren
definition DIE (TAG_variable), and put AT_MIPS_linkage_name to TAG_member when DarwinGDBCompat is true. Darwin GDB needs AT_MIPS_linkage_name at both places to work. Follow-up patch to r176143. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176220 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Silence the unused variable warning. Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176218 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27The FastISEL should be fast. But when we record statistics we use atomic ↵Nadav Rotem
operations to increment the counters. This patch disables the counters on non-debug builds. This reduces the runtime of SelectionDAGISel::SelectCodeCommon by ~5%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176214 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Copy missing member in DataLayout copy ctor.David Blaikie
Test case is missing due to it not being reachable through the current tools but out of tree code such as the sample at http://llvm.org/docs/tutorial/LangImpl4.html Patch by Peng Cheng <gm4cheng@gmail.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176213 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27ARM: FMA is legal only if VFP4 is available.Jim Grosbach
rdar://13306723 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176212 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove this instance of dl as it's defined in a previous scope.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176208 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Reverted: r176136 - Have a way for a target to opt-out of target-independent ↵Michael Ilseman
fast isel git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176204 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27[docs] Discuss manpage output.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176199 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Switching -1ULL to UINT64_MAX to fix MSVC warnings. Patch thanks to Peng Cheng!Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176197 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27[docs] Provide pointer for building Sphinx docs.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176195 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Suppressing MSVC warnings; patch thanks to Peng Cheng!Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176193 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27print TLS segmentShankar Easwaran
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176192 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27ARM: permit full range of valid ADR immediates.Tim Northover
This fixes an issue where trying to assemlbe valid ADR instructions would cause LLVM to hit a failed assertion. Patch by Keith Walker. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176189 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27LoopVectorize: Vectorize math builtin calls.Benjamin Kramer
This properly asks TargetLibraryInfo if a call is available and if it is, it can be translated into the corresponding LLVM builtin. We don't vectorize sqrt() yet because I'm not sure about the semantics for negative numbers. The other intrinsic should be exact equivalents to the libm functions. Differential Revision: http://llvm-reviews.chandlerc.com/D465 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176188 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Forgot that this file needs to be C89 not C99 thanks to MSVC. No functionalityNick Lewycky
change! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176176 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27In GCC 4.7, function names are now forbidden from .gcda files. Support this byNick Lewycky
passing a null pointer to the function name in to GCDAProfiling, and add another switch onto GCOVProfiling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176173 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Doh, fix behaviour change introduced in r176168 which is tested in clang,Nick Lewycky
not llvm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176172 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Revert r176166 because it broke one of the lit tests.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176171 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27For each function that we optimize we initialize a new list of lib ↵Nadav Rotem
functions. For each function name we malloc memory. This patch changes the Libcall map to use BumpPtrAllocator. Now we malloc only once. This speeds up instcombine by a few % on a large c++ program. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176170 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27IRBuilder has grown all sorts of useful utility functions. Make use of them toNick Lewycky
clean up this code a tiny bit. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176168 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27std::string to StringRef.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176166 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Fix cut/paste error in a comment.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176165 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Add the skeleton for the Mips constant island pass.Reed Kotler
It will only be used for Mips 16 at this time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176161 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27IR: Don't constant fold GEP bitcasts between different address spacesMeador Inge
PR15262 reported a bug where the following instruction: i8 getelementptr inbounds i8* bitcast ([4 x i8] addrspace(12)* @buf to i8*), i32 2 was getting folded into: addrspace(12)* getelementptr inbounds ([4 x i8] addrspace(12)* @buf, i32 0, i32 2) This caused instcombine to crash because the original instruction and the folded instruction have different types. The issue was fixed by disallowing bitcasts between different address spaces to be folded away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176156 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27SelectionDAG: If llvm.donothing has a landingpad, we should clearManman Ren
CurrentCallSite to avoid an assertion failure: assert(MMI.getCurrentCallSite() == 0 && "Overlapping call sites!"); rdar://problem/13228754 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176154 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, add AT_MIPS_linkage_name to theManman Ren
definition DIE, to make old GDB happy. We have a regression for old GDB when Clang uses DW_TAG_member to declare static members inside a class, instead of DW_TAG_variable. This patch will fix this regression. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176143 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Enhance integer division emulation support to handle types smaller than 32 bits,Pedro Artigas
enhancement done the trivial way; by extending inputs and truncating outputs which is addequate for targets with little or no support for integer arithmetic on integer types less than 32 bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176139 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Have a way for a target to opt-out of target-independent fast iselMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176136 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Try to get rid of a -wunitialized warning: explicitly initialize the pointerEli Bendersky
to NULL and use asserts to check in relevant places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176134 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Constant fold vector bitcasts of halves similarly to how floats and doubles ↵Michael Ilseman
are folded. Test case included. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176131 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Add support for autodetection of ADM bdver2.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176130 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Revert r176120 as it caused a failure at static-member.cppManman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176129 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26[TableGen] Fix ICE on MSVC 2012 Release builds.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176125 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Fix PR15332 (patch by Florian Zeitz).Bill Schmidt
There's no need to generate a stack frame for PPC32 SVR4 when there are no local variables assigned to the stack, i.e., when no red zone is needed. (PPC64 supports a red zone, but PPC32 does not.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176124 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Fix auto_ptr is deprecated warningsMatt Arsenault
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176123 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Debug Info: for static member variables, move AT_MIPS_linkage_name fromManman Ren
TAG_member inside a class to the specification DIE. Having AT_MIPS_linkage_name on TAG_member caused old gdb (GNU 6.3.50) to error out. Also gcc 4.7 has AT_MIPS_linkage_name on the specification DIE. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176120 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Add a test case for r176066.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176119 91177308-0d34-0410-b5e6-96231b3b80d8
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