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2012-10-19lit: Add 'valgrind' and 'valgrind-leaks' features when valgrind is used.Daniel Dunbar
- These can be used with the XFAIL options. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166303 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19tests: Stop mangling '-vg' into the triple, we don't use this currently.Daniel Dunbar
- Also, lit is going to get a valgrind feature, instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19This patch is to fix radar://8426430. It is about llvm support of ↵Shuxin Yang
__builtin_debugtrap() which is supposed to consistently raise SIGTRAP across all systems. In contrast, __builtin_trap() behave differently on different systems. e.g. it raises SIGTRAP on ARM, and SIGILL on X86. The purpose of __builtin_debugtrap() is to consistently provide "trap" functionality, in the mean time preserve the compatibility with on gcc on __builtin_trap(). The X86 backend is already able to handle debugtrap(). This patch is to: 1) make front-end recognize "__builtin_debugtrap()" (emboddied in the one-line change to Clang). 2) In DAG legalization phase, by default, "debugtrap" will be replaced with "trap", which make the __builtin_debugtrap() "available" to all existing ports without the hassle of changing their code. 3) If trap-function is specified (via -trap-func=xyz to llc), both __builtin_debugtrap() and __builtin_trap() will be expanded into the function call of the specified trap function. This behavior may need change in the future. The provided testing-case is to make sure 2) and 3) are working for ARM port, and we already have a testing case for x86. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166300 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[ms-inline asm] Add the isParsingInlineAsm() function to the MCAsmTargetParser.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166292 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Indvars: Don't recursively delete instruction during BB iteration.Benjamin Kramer
This can invalidate the iterators leading to use after frees and crashes. Fixes PR12536. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166291 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Fix some doc-os.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166290 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19lit: Propagate TERM variable in environment, some tools can do really obscureDaniel Dunbar
odd things if this is missing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166289 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Lower BUILD_VECTOR to SHUFFLE + INSERT_VECTOR_ELT for X86Michael Liao
- If INSERT_VECTOR_ELT is supported (above SSE2, either by custom sequence of legal insn), transform BUILD_VECTOR into SHUFFLE + INSERT_VECTOR_ELT if most of elements could be built from SHUFFLE with few (so far 1) elements being inserted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19SCEVExpander: Don't crash when trying to merge two constant phis.Benjamin Kramer
Just constant fold them so they can't cause any trouble. Fixes PR12627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166286 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[ASan] Support comments in ASan/TSan blacklist file as lines starting with #Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Move SplitBlockAndInsertIfThen to BasicBlockUtils.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166278 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19LoopVectorize: Keep the IRBuilder on the stack.Benjamin Kramer
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166274 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19ARM:Stepan Dyatkovskiy
Removed extra stack frame object for fixed byval arguments, VarArgsStyleRegisters invocation was reworked due to some improper usage in past. PR14099 also demonstrates it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Pacify -Wnon-virtual-dtor.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166270 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[asan] make sure asan erases old unused allocas after it created a new one. ↵Kostya Serebryany
This became important after the recent move from ModulePass to FunctionPass because no cleanup is happening after asan pass any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19recommit the patch that makes LSR and LowerInvoke use the TargetTransform ↵Nadav Rotem
interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166264 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Simplify condition checking as CONCAT assume all inputs of the same type.Michael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19vectorizer: Add support for reading and writing from the same memory location.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Reapply the TargerTransformInfo changes, minus the changes to LSR and ↵Nadav Rotem
Lowerinvoke. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18cleanup the comment.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Fix case for include of Compiler.h.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Add move constructors for OwningPtr and OwningArrayPtr.Jordan Rose
While LLVM itself is still C++03, there's no reason why tools built on top of it can't use C++11 features. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166242 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Add a T&& constructor to llvm::Optional.Jordan Rose
This allows llvm::Optional to be used with movable-but-not-copyable types. While LLVM itself is still C++03, there's no reason why tools built on top of it can't use C++11 features. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166241 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Mark bugpoint tests with XFAIL when building with LTO. <rdar://problem/12473675>Bob Wilson
The LTO Internalize pass is hiding symbols needed by the bugpoint-passes plug-in. We need to add a flag to control whether Internalize should be run. This is a temporary workaround to make these tests pass in the meantime. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166239 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Fix a bug where a 32-bit address with the high bit does not get symbolicatedKevin Enderby
because the value is incorrectly being signed extended when passed to SymbolLookUp(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166234 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18fix a naming typoNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166232 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18test: Add a lit config variable to check if LTO is enabled.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18lit: Allow XFAIL: lines to also refer to "features".Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18[ms-inline asm] Add a size argument to the LookupInlineAsmIdentifier() callback,Chad Rosier
which will be used by the asm matcher in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166222 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Use an export list when building JIT unittests. <rdar://problem/12473675>Bob Wilson
When building with LTO, the internalize pass is hiding some global symbols that are necessary for the JIT unittests. It seems like that may be a bug in LTO to do that by default, but until that gets fixed, this change makes sure that we export the necessary symbols for the tests to pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166220 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Use pre-python 2.5 syntax in lit.cfg.Sebastian Pop
Author: Quentin Neill <qneill@codeaurora.org> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Clear unknown mem ops when merging stack slots (pr14090)Sebastian Pop
When merging stack slots, if StackColoring::remapInstructions gets a value back from GetUnderlyingObject that it does not know about or is not itself a stack slot, clear the memory operand in case it aliases the merged slot. This prevents the introduction of incorrect aliasing information. Author: Matthew Curtis <mcurtis@codeaurora.org> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Change MachineFrameInfo::StackObject::Alloca from Value* to AllocaInst*Sebastian Pop
This more accurately reflects what is actually being stored in the field. No functionality change intended. Author: Matthew Curtis <mcurtis@codeaurora.org> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18[ms-inline asm] Have the LookupInlineAsmIdentifier() callback function return aChad Rosier
*NamedDecl. In turn, build the expressions after we're finished parsing the asm. This avoids a crasher if the lookup fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166212 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Revert "We need this symbol after an LTO build."Bob Wilson
This reverts commit 165776. The plug-in uses this symbol; it does not define it. It needs to be exported from bugpoint itself, not from the plug-in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166207 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Avoid reconstructing the pointer set when searching for duplicated ↵Nadav Rotem
read/write pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Update the LangRef documentation for the per pointer address space support.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166201 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Cosmetic change -- move two simplifiers to the right commented statement group.Meador Inge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18instcombine: Migrate strcpy optimizationsMeador Inge
This patch migrates the strcpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. Note also that StrCpyChkOpt has been updated with a few simplifications that were being done in the simplify-libcalls version of StrCpyOpt, but not in the migrated implementation of StrCpyOpt. There is no reason to overload StrCpyOpt with fortified and regular simplifications in the new model since there is already a dedicated simplifier for __strcpy_chk. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166198 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18test commit: verifying access from new addressEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18In SimplifySelectOps we pulled two loads through a select node despite the ↵Nadav Rotem
fact that one was dependent on the other. rdar://12513091 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166196 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18When looking for a vector representation of a scalar, do a single lookup. ↵Nadav Rotem
Also, cache the result of the broadcast instruction. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166191 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18[ms-inline asm] Move most of the AsmParsing logic in clang back into the MCChad Rosier
layer. Add the ParseMSInlineAsm() function, which is the new interface to clang. Also expose the new MCAsmParserSemaCallback interface, which is used by the back-end to do name lookup in Sema. Finally, remove the now defunct APIs introduced in r165946. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18This patch fixes failures in the SingleSource/Regression/C/uint64_to_floatUlrich Weigand
test case on PowerPC caused by rounding errors when converting from a 64-bit integer to a single-precision floating point. The reason for this are double-rounding effects, since on PowerPC we have to convert to an intermediate double-precision value first, which gets rounded to the final single-precision result. The patch fixes the problem by preparing the 64-bit integer so that the first conversion step to double-precision will always be exact, and the final rounding step will result in the correctly-rounded single-precision result. The generated code sequence is equivalent to what GCC would generate. When -enable-unsafe-fp-math is in effect, that extra effort is omitted and we accept possible rounding errors (just like GCC does as well). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Refactor insert and extract of sub-integers into static helpers thatChandler Carruth
operate purely on values. Sink the alloca loading and storing logic into the rewrite routines that are specific to alloca-integer-rewrite driving. This is just a refactoring here, but the subsequent step will be to reuse the insertion and extraction logic when rewriting integer loads and stores that have been split and decomposed into narrower loads and stores. No functionality changed other than different names for instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166176 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18This FIXME was fixed some time ago. =]Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Introduce a BarrierNoop pass, a hack designed to allow *some* controlChandler Carruth
over the implicitly-formed-and-nesting CGSCC pass manager and function pass managers, especially when using them on the opt commandline or using extension points in the module builder. The '-barrier' opt flag (or the pass itself) will create a no-op module pass in the pipeline, resetting the pass manager stack, and allowing the creation of a new pipeline of function passes or CGSCC passes to be created that is independent from any previous pipelines. For example, this can be used to test running two CGSCC passes in independent CGSCC pass managers as opposed to in the same CGSCC pass manager. It also allows us to introduce a further hack into the PassManagerBuilder to separate the O0 pipeline extension passes from the always-inliner's CGSCC pass manager, which they likely do not want to participate in... At the very least none of the Sanitizer passes want this behavior. This fixes a bug with ASan at O0 currently, and I'll commit the ASan test which covers this pass. I'm happy to add a test case that this pass exists and works, but not sure how much time folks would like me to spend adding test cases for the details of its behavior of partition pass managers.... The whole thing is just vile, and mostly intended to unblock ASan, so I'm hoping to rip this all out in a brave new pass manager world. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18remove unused variable to fix a warning.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166170 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Add a small example which shows a vectorizable loop with a non-pow-of-two countNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166169 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Temporarily revert the TargetTransform changes.Bob Wilson
The TargetTransform changes are breaking LTO bootstraps of clang. I am working with Nadav to figure out the problem, but I am reverting it for now to get our buildbots working. This reverts svn commits: 165665 165669 165670 165786 165787 165997 and I have also reverted clang svn 165741 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166168 91177308-0d34-0410-b5e6-96231b3b80d8
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