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2013-04-29Emit the TLS initialization function pointers into the correct section.Bill Wendling
The `llvm.tls_init_funcs' (created by the front-end) holds pointers to the TLS initialization functions. These need to be placed into the correct section so that they are run before `main()'. <rdar://problem/13733006> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180737 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Add getSymbolAlignment to the ObjectFile interface.Rafael Espindola
For regular object files this is only meaningful for common symbols. An object file format with direct support for atoms should be able to provide alignment information for all symbols. This replaces getCommonSymbolAlignment and fixes test-common-symbols-alignment.ll on darwin. This also includes a fix to MachOObjectFile::getSymbolFlags. It was marking undefined symbols as common (already tested by existing mcjit tests now that it is used). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180736 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29R600: Use correct CF_END instruction on Northern Island GPUsTom Stellard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180735 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29R600: Fix encoding of CF_END_{EG, R600} instructionsTom Stellard
The EOP bit was not being encoded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180734 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Rationalize what is public in RuntimeDyldMachO and RuntimeDyldELF.Rafael Espindola
The implemented RuntimeDyldImpl interface is public. Everything else is private. Since these classes are not inherited from (yet), there is no need to have protected members. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180733 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29SimplifyCFG: If convert single conditional storesArnold Schwaighofer
This resurrects r179957, but adds code that makes sure we don't touch atomic/volatile stores: This transformation will transform a conditional store with a preceeding uncondtional store to the same location: a[i] = may-alias with a[i] load if (cond) a[i] = Y into an unconditional store. a[i] = X may-alias with a[i] load tmp = cond ? Y : X; a[i] = tmp We assume that on average the cost of a mispredicted branch is going to be higher than the cost of a second store to the same location, and that the secondary benefits of creating a bigger basic block for other optimizations to work on outway the potential case where the branch would be correctly predicted and the cost of the executing the second store would be noticably reflected in performance. hmmer's execution time improves by 30% on an imac12,2 on ref data sets. With this change we are on par with gcc's performance (gcc also performs this transformation). There was a 1.2 % performance improvement on a ARM swift chip. Other tests in the test-suite+external seem to be mostly uninfluenced in my experiments: This optimization was triggered on 41 tests such that the executable was different before/after the patch. Only 1 out of the 40 tests (dealII) was reproducable below 100% (by about .4%). Given that hmmer benefits so much I believe this to be a fair trade off. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180731 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Update the documentation.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180725 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Use a RelocationRef instead of a relocation_iterator.Rafael Espindola
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180723 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Revert "revert r179735, it has no testcases, and doesn't really make sense."Reid Kleckner
This un-reverts r179735 and reverts commit r180574. This fixes assertion failures for me locally and should fix the failures on Windows reported widely on llvm-dev. We should check if the bots caught this and if so why not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180722 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Fix CMake build of bitcode wrapper header utility.Derek Schuff
It wasn't even attempting to build before. R=jvoung@chromium.org BUG=cmake/ninja build Review URL: https://codereview.chromium.org/13844019
2013-04-29Exposing MCJIT through C APIAndrew Kaylor
Re-submitting with fix for OCaml dependency problems (removing dependency on SectionMemoryManager when it isn't used). Patch by Fili Pizlo git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180720 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Propagate relocation info to resolveRelocation.Rafael Espindola
This gets most of the MCJITs tests passing with MachO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180716 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Replace ObjRelocationInfo with relocation_iterator.Rafael Espindola
For MachO we need information that is not represented in ObjRelocationInfo. Instead of copying the bits we think are needed from a relocation_iterator, just pass the relocation_iterator down to the format specific functions. No functionality change yet as we still drop the information once processRelocationRef returns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180711 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Add in some conditional compilation in order to silence an unused variable ↵Michael Gottesman
warning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180700 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29[objc-arc] Apply the RV optimization to retains next to calls in ↵Michael Gottesman
ObjCARCContract instead of ObjCARCOpts. Turning retains into retainRV calls disrupts the data flow analysis in ObjCARCOpts. Thus we move it as late as we can by moving it into ObjCARCContract. We leave in the conversion from retainRV -> retain in ObjCARCOpt since it enables the dataflow analysis. rdar://10813093 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180698 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Added statistics to count the number of retains/releases before/after ↵Michael Gottesman
optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180697 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Removed trailing whitespace.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180696 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Fix for r180693. = /.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180694 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29[objc-arc-annotations] Moved the disabling of call movement to ↵Michael Gottesman
ConnectTDBUTraversals so that I can prevent Changed = true from being set. This prevents an infinite loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180693 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-28Inline variable into the #ifdef block where it's used.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180688 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-28AArch64 InstrFormats:Jia Liu
delete blank. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180687 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Fix typo. Stupid me.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180686 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Only use cxxabi.h's demangler, if it is actually available.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180684 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Fix a XOR reassociation bug. Shuxin Yang
When Reassociator optimize "(x | C1)" ^ "(X & C2)", it may swap the two subexpressions, however, it forgot to swap cached constants (of C1 and C2) accordingly. rdar://13739160 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180676 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Generalize the MachineTraceMetrics public API.Andrew Trick
Naturally, we should be able to pass in extra instructions, not just extra blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180667 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Use the target triple from the target machine rather than the moduleEric Christopher
to determine whether or not we're on a darwin platform for debug code emitting. Solves the problem of a module with no triple on the command line and no triple in the module using non-gdb ok features on darwin. Fix up the member-pointers test to check the correct things for cross platform (DW_FORM_flag is a good prefix). Unfortunately no testcase because I have no ideas how to test something without a triple and without a triple in the module yet check precisely on two platforms. Ideas welcome. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180660 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Make all darwin ppc stubs local.Rafael Espindola
This fixes pr15763. Patch by David Fang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180657 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Struct-path aware TBAA: change the format of TBAAStructType node.Manman Ren
We switch the order of offset and field type to make TBAAStructType node (name, parent node, offset) similar to scalar TBAA node (name, parent node). TypeIsImmutable is added to TBAAStructTag node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180654 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Fix CMake build of NaClBitWriterDerek Schuff
TBR=kschimpf@google.com BUG=none Review URL: https://codereview.chromium.org/14520020
2013-04-26Cleanup and document MachineLocation.Adrian Prantl
Clarify documentation and API to make the difference between register and register-indirect addressed locations more explicit. Put in a comment to point out that with the current implementation we cannot specify a register-indirect location with offset 0 (a breg 0 in DWARF). No functionality change intended. rdar://problem/13658587 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180641 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Micro-optimizationBill Wendling
TLVs probably won't be as common as the other types of variables. Check for them last before defaulting to "DATA". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180631 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Check for metadata in PNaCl ABI checker.Jan Voung
Disallow all metadata by default. There is a flag "-allow-debug-metadata", which will be used in pnacl-ld driver, to not change the debugging workflow. That flag will not be present in the pnacl-abicheck driver though. We'll also run -strip-metadata within pnacl-ld, after optimizations are run, so that at least that part is checked inside pnacl-ld. CL for driver changes: https://codereview.chromium.org/14358048/ BUG= http://code.google.com/p/nativeclient/issues/detail?id=3348 R=dschuff@chromium.org Review URL: https://codereview.chromium.org/14329025
2013-04-26Teach the interpreter to handle vector compares and additional vector ↵Nadav Rotem
arithmetic operations. Patch by Yuri Veselov. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180626 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Remove a localmod that was a variation of a fix for debug metadata.Jan Voung
This was fixed upstream a different way: """ Bob Wilson 2013-03-18 23:15:31 CDT Manman says this was fixed in r173946. Comment 10 Bob Wilson 2013-03-18 23:32:21 CDT That change was reverted and replaced by r174093. """ BUG=https://code.google.com/p/nativeclient/issues/detail?id=2809 TEST=./scons bitcode=1 run_dwarf_local_var_objdump_test R=eliben@chromium.org Review URL: https://codereview.chromium.org/13868020
2013-04-26Use llvm/Object/MachO.h in macho-dumper. Drop the old macho parser.Rafael Espindola
For Mach-O there were 2 implementations for parsing object files. A standalone llvm/Object/MachOObject.h and llvm/Object/MachO.h which implements the generic interface in llvm/Object/ObjectFile.h. This patch adds the missing features to MachO.h, moves macho-dump to use MachO.h and removes ObjectFile.h. In addition to making sure that check-all is clean, I checked that the new version produces exactly the same output in all Mach-O files in a llvm+clang build directory (including executables and shared libraries). To test the performance, I ran macho-dump over all the files in a llvm+clang build directory again, but this time redirecting the output to /dev/null. Both the old and new versions take about 4.6 seconds (2.5 user) to finish. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180624 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Copy Bitwriter to generate PNaClBitwriter.Karl Schimpf
Copy classes for LLVM BitcodeWriter into a PNaCL subdirectory, to create a PNaCL version. Renames classes/methods to include PNaCl prefix so that they don't conflict with the LLVM BitcodeWriter. Also removed experimental support for use-list order preservation. BUG=https://code.google.com/p/nativeclient/issues/detail?id=3405 Review URL: https://codereview.chromium.org/14126011
2013-04-26R600: Initialize AMDGPUMachineFunction::ShaderType to ShaderType::COMPUTETom Stellard
We need to intialize this to something and since clang does not set the shader type attribute and clang is used only for compute shaders, initializing it to COMPUTE seems like the best choice. Reviewed-by: Christian König <christian.koenig@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180620 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26fix a typo that due to cu&paste quadrupled itselfAdrian Prantl
rdar://problem/13056109 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180618 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26ARM: Fix encoding of hint instruction for Thumb.Quentin Colombet
"hint" space for Thumb actually overlaps the encoding space of the CPS instruction. In actuality, hints can be defined as CPS instructions where imod and M bits are all nil. Handle decoding of permitted nop-compatible hints (i.e. nop, yield, wfi, wfe, sev) in DecodeT2CPSInstruction. This commit adds a proper diagnostic message for Imm0_4 and updates all tests. Patch by Mihail Popa <Mihail.Popa@arm.com>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180617 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Bugfix for the debug intrinsic handling in InstCombiner:Adrian Prantl
Since we can't guarantee that the original dbg.declare instrinsic is removed by LowerDbgDeclare(), we need to make sure that we are not inserting the same dbg.value intrinsic over and over. This removes tons of redundant DIEs when compiling optimized code. rdar://problem/13056109 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180615 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26PowerPC: Use RegisterOperand instead of RegisterClass operandsUlrich Weigand
In the default PowerPC assembler syntax, registers are specified simply by number, so they cannot be distinguished from immediate values (without looking at the opcode). This means that the default operand matching logic for the asm parser does not work, and we need to specify custom matchers. Since those can only be specified with RegisterOperand classes and not directly on the RegisterClass, all instructions patterns used by the asm parser need to use a RegisterOperand (instead of a RegisterClass) for all their register operands. This patch adds one RegisterOperand for each RegisterClass, using the same name as the class, just in lower case, and updates all instruction patterns to use RegisterOperand instead of RegisterClass operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180611 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Re-write the address propagation code for pre-indexed loads/stores to take ↵Silviu Baranga
into account some previously misssed cases (PRE_DEC addressing mode, the offset and base address are swapped, etc). This should fix PR15581. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180609 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26PowerPC: Fix encoding of vsubcuw and vsum4sbs instructionsUlrich Weigand
When testing the asm parser, I noticed wrong encodings for the above instructions (wrong sub-opcodes). Tests will be added together with the asm parser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180608 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26PowerPC: Fix encoding of stfsu and stfdu instructionsUlrich Weigand
When testing the asm parser, I noticed wrong encodings for the above instructions (wrong sub-opcodes). Note that apparently the compiler currently never generates pre-inc instructions for floating point types for some reason ... Tests will be added together with the asm parser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180607 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26PowerPC: Fix encoding of rldimi and rldcl instructionsUlrich Weigand
When testing the asm parser, I noticed wrong encodings for the above instructions (wrong operand name in rldimi, wrong form and sub-opcode for rldcl). Tests will be added together with the asm parser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180606 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26PowerPC: Support PC-relative fixup_ppc_brcond14.Ulrich Weigand
When testing the asm parser, I ran into an error when using a conditional branch to an external symbol (this doesn't occur in compiler-generated code) due to missing support in PPCELFObjectWriter::getRelocTypeInner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180605 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26ARM/NEON: Pattern match vector integer abs to vabs.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180604 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26X86: Now that we have a canonical form for vector integer abs, match it into ↵Benjamin Kramer
pabs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180600 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26DAGCombiner: Canonicalize vector integer abs in the same way we do it for ↵Benjamin Kramer
scalars. This already helps SSE2 x86 a lot because it lacks an efficient way to represent a vector select. The long term goal is to enable the backend to match a canonicalized pattern into a single instruction (e.g. vabs or pabs). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180597 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26LoopVectorizer: Calculate the number of pointers to disambiguate at runtime ↵Nadav Rotem
based on the numbers of reads and writes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180593 91177308-0d34-0410-b5e6-96231b3b80d8
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