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2012-10-20Document current Doxygen use practices in Coding Standards. Mostly it isDmitri Gribenko
obvious stuff and most new code being committed conforms to that. Some old code does not; this might cause confusion and this is the motivation to document the correct guidelines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166378 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20Symbol hygiene: Make sure declarations and definitions match, make helper ↵Benjamin Kramer
functions static. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166376 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20SROA: Simplify code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166375 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20InstCombine: Fix an edge case where constant icmps could sneak into ↵Benjamin Kramer
ConstantFoldInstOperands and crash. Have to refactor the ConstantFolder interface one day to define bugs like this away. Fixes PR14131. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166374 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20Vectorize: teach cavVectorizeMemory to distinguish between A[i]+=x and ↵Nadav Rotem
A[B[i]]+=x. If the pointer is consecutive then it is safe to read and write. If the pointer is non-loop-consecutive then it is unsafe to vectorize it because we may hit an ordering issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166371 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20Fix a typoNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20Vectorizer: refactor the memory checks to a new function. No functionality ↵Nadav Rotem
change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166366 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20Vectorization docs.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166364 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20[ms-inline asm] Rename AsmOpRewrite to just AsmRewrite to be more generic. ↵Chad Rosier
No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166360 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20[ms-inline asm] If the state of the parser is ignore, then don't parse theChad Rosier
inline assembly. Also make sure the remove the ignored statements from the IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19LoopVectorize: Keep the IRBuilder on the stack.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[ms-inline asm] Continue parsing even when we're in an ignore block.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Vectorizer: Add support for loop reductions.Nadav Rotem
For example: for (i=0; i<n; i++) sum += A[i] + B[i] + i; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166351 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-191. Remove noreturn attribute from __builtin_debugtrap().Shuxin Yang
(The change at Clang side was committed in r166345) 2. Cosmetic change in order to conform to coding standards. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166350 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[ms-inline asm] Reset the opcode prior to parsing a statement.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Use 64-bit registers to return an sret pointer if target ABI is N64.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Grammar-o.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166343 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Add code to do tail call optimization.Akira Hatanaka
Currently, it is enabled only if option "enable-mips-tail-calls" is given and all of the callee's arguments are passed in registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Fix TAILCALL's operand node type.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19revert r166264 because the LTO build is still failingNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Delete MipsFunctionInfo::MaxCallFrameSize which is no longer used.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166339 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Add tail call instructions.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166338 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Make the branch nodes used in jump instructions a template parameter.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166337 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Add node and enum for mips tail call.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[ms-inline asm] Have the TargetParser callback to Sema to determine the size ofChad Rosier
a memory operand. Retain this information and then add the sizing directives to the IR. This allows the backend to do proper instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166316 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Add 'IntrNoReturn' for longjmp intrinsicsMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166314 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19SimplifyLibcalls: The return value of ffsll is always i32, even when the ↵Benjamin Kramer
input is zero. Fixes PR13028. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166313 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Fix a build error for ocaml bindings that was introduced with the TargetData ↵Micah Villmow
--> DataLayout changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[ms-inline asm] Add a MCAsmParserSemaCallback to the TargetAsmParser.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19lit: Rename the valgrind leaks feature to match what is currently usedDaniel Dunbar
(vg_leak). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166306 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19lit: Remove support for XTARGET.Daniel Dunbar
- The XTARGET feature (inherited from old DG tests) was just confusing (and barely ever used). The same effect can now be achieved with a combination of the more useful REQUIRES and XFAIL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166305 91177308-0d34-0410-b5e6-96231b3b80d8
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
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