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* Merge branch 'release_33' of git://github.com/llvm-mirror/llvm into ↵Abdoulaye Walsimou Gaye2013-06-12
|\ | | | | | | embtk-support-release-3.3
| * Merging 182989: Fix ScalarEvolution::ComputeExitLimitFromCond for 'or' ↵Andrew Trick2013-05-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | conditions. Fixes PR16130 - clang produces incorrect code with loop/expression at -O2. This is a 2+ year old bug that's now holding up the release. It's a case where we knowingly made aggressive assumptions about undefined behavior. These assumptions are wrong when SCEV is computing a subexpression that does not directly control the branch. With this fix, we avoid making assumptions in those cases but still optimize the common case. SCEV's trip count computation for exits controlled by 'or' expressions is now analagous to the trip count computation for loops with multiple exits. I had already fixed the multiple exit case to be conservative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182989 91177308-0d34-0410-b5e6-96231b3b80d8 git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@183013 91177308-0d34-0410-b5e6-96231b3b80d8
| * Merging r182394:Bill Wendling2013-05-29
| | | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r182394 | jholewinski | 2013-05-21 09:51:30 -0700 (Tue, 21 May 2013) | 1 line [NVPTX] Add @llvm.nvvm.sqrt.f() intrinsic ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@182829 91177308-0d34-0410-b5e6-96231b3b80d8
| * Merging r181864:Bill Wendling2013-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r181864 | chapuni | 2013-05-14 19:16:23 -0700 (Tue, 14 May 2013) | 10 lines ELFRelocationEntry::operator<(): Try to stabilize the order. r_offset was insufficient to sort Relocs. It should fix llvm/test/CodeGen/ARM/ehabi-mc-compact-pr*.ll on some hosts. RELOCATION RECORDS FOR [.ARM.exidx]: 0 R_ARM_PREL31 .text 0 R_ARM_NONE __aeabi_unwind_cpp_pr0 FIXME: I am not sure of the directions of extra comparators, in Type and Index. For now, they are different from the direction in r_offset. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@182149 91177308-0d34-0410-b5e6-96231b3b80d8
* | [Embtk]: Give ability to specify default target ABI at configure timeAbdoulaye Walsimou Gaye2013-05-10
| | | | | | | | | | Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org> (cherry picked from commit 6ab8513df36438aa2c16facc94f306891446e061)
* | [Embtk] Give ability to specify default linker hash-style at configure timeAbdoulaye Walsimou Gaye2013-05-10
| | | | | | | | | | Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org> (cherry picked from commit cab4a8d897c586d1f53790fefe16fca91f4d18d1)
* | [Embtk] give ability to specify default FPU to use at configure timeAbdoulaye Walsimou Gaye2013-05-10
| | | | | | | | | | Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org> (cherry picked from commit 32e1613ce8f734d858831c228c36da70d783c0cd)
* | [Embtk] complete configure time default for -mcpuAbdoulaye Walsimou Gaye2013-05-10
| | | | | | | | | | Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org> (cherry picked from commit b8b4ff534dc61e271ccf3a68ec6c87d9eb7da4ad)
* | [Embtk] Give ability to specify default float abi to use at configure timeAbdoulaye Walsimou Gaye2013-05-10
| | | | | | | | Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
* | [Embtk] Give ability to specify default -mcpuAbdoulaye Walsimou Gaye2013-05-10
|/ | | | | Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org> (cherry picked from commit 0f3b0d56e88a03d371d2e03ab715e44b2693c96f)
* Implemented public interface for modifying registered (not positional or ↵Andrew Trick2013-05-06
| | | | | | | | sink options) command line options at runtime. Patch by Dan Liew! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181254 91177308-0d34-0410-b5e6-96231b3b80d8
* Support command line option categories.Andrew Trick2013-05-06
| | | | | | Patch by Dan Liew! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181253 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide InstCombines for the following 3 cases:Jean-Luc Duprat2013-05-06
| | | | | | | | | | | | | | | A * (1 - (uitofp i1 C)) -> select C, 0, A B * (uitofp i1 C) -> select C, B, 0 select C, 0, A + select C, B, 0 -> select C, B, A These come up in code that has been hand-optimized from a select to a linear blend, on platforms where that may have mattered. We want to undo such changes with the following transform: A*(1 - uitofp i1 C) + B*(uitofp i1 C) -> select C, A, B git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181216 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix formatting. Patch by o11c.Duncan Sands2013-05-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181189 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix const merging when an alias of a const is llvm.used.Rafael Espindola2013-05-06
| | | | | | | We used to disable constant merging not only if a constant is llvm.used, but also if an alias of a constant is llvm.used. This change fixes that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181175 91177308-0d34-0410-b5e6-96231b3b80d8
* Add EH support to the MCJIT.Rafael Espindola2013-05-05
| | | | | | | | | This gets exception handling working on ELF and Macho (x86-64 at least). Other than the EH frame registration, this patch also implements support for GOT relocations which are used to locate the personality function on MachO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181167 91177308-0d34-0410-b5e6-96231b3b80d8
* For ARM backend, fixed "byval" attribute support.Stepan Dyatkovskiy2013-05-05
| | | | | | | | | | | | | | | | | | | | | | | | | Now even the small structures could be passed within byval (small enough to be stored in GPRs). In regression tests next function prototypes are checked: PR15293: %artz = type { i32 } define void @foo(%artz* byval %s) define void @foo2(%artz* byval %s, i32 %p, %artz* byval %s2) foo: "s" stored in R0 foo2: "s" stored in R0, "s2" stored in R2. Next AAPCS rules are checked: 5.5 Parameters Passing, C.4 and C.5, "ParamSize" is parameter size in 32bit words: -- NSAA != 0, NCRN < R4 and NCRN+ParamSize > R4. Parameter should be sent to the stack; NCRN := R4. -- NSAA != 0, and NCRN < R4, NCRN+ParamSize < R4. Parameter stored in GPRs; NCRN += ParamSize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181148 91177308-0d34-0410-b5e6-96231b3b80d8
* PatternMatch: Fix documentation - 'function' not 'attribute'Arnold Schwaighofer2013-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181146 91177308-0d34-0410-b5e6-96231b3b80d8
* PatternMatch: Matcher for (un)ordered floating point min/maxArnold Schwaighofer2013-05-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for matching 'ordered' and 'unordered' floating point min/max constructs. In LLVM we can express min/max functions as a combination of compare and select. We have support for matching such constructs for integers but not for floating point. In floating point math there is no total order because of the presence of 'NaN'. Therefore, we have to be careful to preserve the original fcmp semantics when interpreting floating point compare select combinations as a minimum or maximum function. The resulting 'ordered/unordered' floating point maximum function has to select the same value as the select/fcmp combination it is based on. ordered_max(x,y) = max(x,y) iff x and y are not NaN, y otherwise unordered_max(x,y) = max(x,y) iff x and y are not NaN, x otherwise ordered_min(x,y) = min(x,y) iff x and y are not NaN, y otherwise unordered_min(x,y) = min(x,y) iff x and y are not NaN, x otherwise This matches the behavior of the underlying select(fcmp(olt/ult/.., L, R), L, R) construct. Any code using this predicate has to preserve this semantics. A follow-up patch will use this to implement floating point min/max reductions in the vectorizer. radar://13723044 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181143 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ArrayRef constructor from None, and do the cleanups that this ↵Dmitri Gribenko2013-05-05
| | | | | | | | | constructor enables Patch by Robert Wilhelm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181138 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow host triple to be correctly overridden in CMake buildsTim Northover2013-05-04
| | | | | | | | | | | The intended semantics mirror autoconf, where the user is able to specify a host triple, but if it's left to the build system then "config.guess" is invoked for the default. This also renames the LLVM_HOSTTRIPLE define to LLVM_HOST_TRIPLE to fit in with the style of the surrounding defines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181112 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a performance bug in the Linker.Rafael Espindola2013-05-04
| | | | | | | | | | | | | Now that we hava a convinient place to keep it, remeber the set of identified structs as we merge modules. This speeds up the linking of all the bitcode files in clang with the gold plugin and -plugin-opt=emit-llvm (i.e., link only, no codegen) from 5:25 minutes to 13.6 seconds! Patch by Xiaofei Wan! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181104 91177308-0d34-0410-b5e6-96231b3b80d8
* Last batch of cleanups to Linker.h.Rafael Espindola2013-05-04
| | | | | | | | Update comments, fix * placement, fix method names that are not used in clang, add a linkInModule that takes a Mode and put it in Linker.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181099 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't construct or delete a module on the Linker.Rafael Espindola2013-05-04
| | | | | | | The linker is now responsible only for actually linking the modules, it is up to the clients to create and destroy them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181098 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't store the context in the Linker.Rafael Espindola2013-05-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181097 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused members and constructor arguments.Rafael Espindola2013-05-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181096 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete dead code from the linker.Rafael Espindola2013-05-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181094 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r181009.Amara Emerson2013-05-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181079 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for reading ARM ELF build attributes.Amara Emerson2013-05-03
| | | | | | | | | | | | Build attribute sections can now be read if they exist via ELFObjectFile, and the llvm-readobj tool has been extended with an option to dump this information if requested. Regression tests are also included which exercise these features. Also update the docs with a fixed ARM ABI link and a new link to the Addenda which provides the build attributes specification. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181009 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add ELF relocation supportRichard Sandiford2013-05-03
| | | | | | | | Another step towards reinstating the SystemZ backend. Tests will be included in the main backend patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181008 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add llvm::Triple::systemzRichard Sandiford2013-05-03
| | | | | | | | First step towards reinstating the SystemZ backend. Tests will be included in the main backend patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181007 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Remove "Commutative" from property list of non-commutative intrinsics.Akira Hatanaka2013-05-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180988 91177308-0d34-0410-b5e6-96231b3b80d8
* In MC asm parsing, account for the possibility of whitespace withinJohn McCall2013-05-03
| | | | | | | | | | | | | | the "identifier" parsed by the frontend callback by skipping forward until we've consumed a token that ends at the point dictated by the callback. In addition, inform the callback when it's parsing an unevaluated operand (e.g. mov eax, LENGTH A::x) as opposed to an evaluated one (e.g. mov eax, [A::x]). This commit depends on a clang commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180978 91177308-0d34-0410-b5e6-96231b3b80d8
* Replaced usages of size_type with size_t to be more consistent.Aaron Ballman2013-05-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180947 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide an API to temporarily suppress DebugLocations from being attachedAdrian Prantl2013-05-02
| | | | | | | | | to emitted instructions. Use this if you want an instruction to be counted towards the prologue or if there is no useful source location. rdar://problem/13442648 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180929 91177308-0d34-0410-b5e6-96231b3b80d8
* This exposes more MCJIT options via the C API:Filip Pizlo2013-05-01
| | | | | | | | | | | | | | | | | | | | | | | CodeModel: It's now possible to create an MCJIT instance with any CodeModel you like. Previously it was only possible to create an MCJIT that used CodeModel::JITDefault. EnableFastISel: It's now possible to turn on the fast instruction selector. The CodeModel option required some trickery. The problem is that previously, we were ensuring future binary compatibility in the MCJITCompilerOptions by mandating that the user bzero's the options struct and passes the sizeof() that he saw; the bindings then bzero the remaining bits. This works great but assumes that the bitwise zero equivalent of any field is a sensible default value. But this is not the case for LLVMCodeModel, or its internal equivalent, llvm::CodeModel::Model. In both of those, the default for a JIT is CodeModel::JITDefault (or LLVMCodeModelJITDefault), which is not bitwise zero. Hence this change introduces LLVMInitializeMCJITCompilerOptions(), which will initialize the user's options struct with defaults. The user will use this in the same way that they would have previously used memset() or bzero(). MCJITCAPITest.cpp illustrates the change, as does the comment in ExecutionEngine.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180893 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename 'struct LLVMTargetMachine' to 'struct LLVMOpaqueTargetMachine'. Filip Pizlo2013-05-01
| | | | | | | | This avoids namespace collisions with llvm::LLVMTargetMachine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180891 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r180737. The companion patch was reverted, and this is not relevant ↵Bill Wendling2013-05-01
| | | | | | right now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180889 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix file header comment.Filip Pizlo2013-05-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180882 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch breaks up Wrap.h so that it does not have to include all of Filip Pizlo2013-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | the things, and renames it to CBindingWrapping.h. I also moved CBindingWrapping.h into Support/. This new file just contains the macros for defining different wrap/unwrap methods. The calls to those macros, as well as any custom wrap/unwrap definitions (like for array of Values for example), are put into corresponding C++ headers. Doing this required some #include surgery, since some .cpp files relied on the fact that including Wrap.h implicitly caused the inclusion of a bunch of other things. This also now means that the C++ headers will include their corresponding C API headers; for example Value.h must include llvm-c/Core.h. I think this is harmless, since the C API headers contain just external function declarations and some C types, so I don't believe there should be any nasty dependency issues here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180881 91177308-0d34-0410-b5e6-96231b3b80d8
* get rid of windows warning:Peng Cheng2013-05-01
| | | | | | warning C4946: reinterpret_cast used between related classes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180852 91177308-0d34-0410-b5e6-96231b3b80d8
* get rid of windows warning:Peng Cheng2013-05-01
| | | | | | warning C4800: forcing value to bool 'true' or 'false' (performance warning) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180851 91177308-0d34-0410-b5e6-96231b3b80d8
* replace reinterpret_cast by cast or remove reinterpret_cast to get rid of ↵Peng Cheng2013-05-01
| | | | | | windows warning: warning C4946: reinterpret_cast used between related classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180850 91177308-0d34-0410-b5e6-96231b3b80d8
* fix windows warning. Peng Cheng2013-05-01
| | | | | | warning C4244: 'argument' : conversion from 'uint64_t' to 'const unsigned int', possible loss of data git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180847 91177308-0d34-0410-b5e6-96231b3b80d8
* use static_cast to get rid of windows warning. Peng Cheng2013-05-01
| | | | | | warning C4244: 'argument' : conversion from 'uint64_t' to 'const unsigned int', possible loss of data git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180846 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that the underlying issue is fixed, revert r180750 and r180722.Rafael Espindola2013-05-01
| | | | | | | | | | | The cause of the windows failures was fixed by r180791. Revert to the state after Sabre's original revert. Original message: revert r179735, it has no testcases, and doesn't really make sense. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180844 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct comment: there is no numTys parameter any more now that this is usingDuncan Sands2013-05-01
| | | | | | | ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180840 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert "Change the informal convention of DBG_VALUE so that we ↵Adrian Prantl2013-04-30
| | | | | | | | | | can express a" because it breaks some buildbots. This reverts commit 180816. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180819 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the informal convention of DBG_VALUE so that we can express aAdrian Prantl2013-04-30
| | | | | | | | | | | | register-indirect address with an offset of 0. It used to be that a DBG_VALUE is a register-indirect value if the offset (operand 1) is nonzero. The new convention is that a DBG_VALUE is register-indirect if the first operand is a register and the second operand is an immediate. For plain registers use the combination reg, reg. rdar://problem/13658587 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180816 91177308-0d34-0410-b5e6-96231b3b80d8
* Change getSlotIndex to return unsigned.Rafael Espindola2013-04-30
| | | | | | | | | | | The actual storage was already using unsigned, but the interface was using uint64_t. This is wasteful on 32 bits and looks to be the root causes of a miscompilation on Windows where a value was being sign extended to 64bits to compare with the result of getSlotIndex. Patch by Pasi Parviainen! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180791 91177308-0d34-0410-b5e6-96231b3b80d8
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