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2011-04-23Remove unused STL header includes.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21PR9214: Convert Metadata API to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129932 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21In gcov profiling, give all functions an extra unified return block. This isNick Lewycky
necessary since gcov counts transitions between blocks. It can't see if you've run every line in a straight-line function, so we add an edge for it to notice. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Fix think-o: emit all 8 bytes of the EOF marker. Also reflow a line in aNick Lewycky
comment for 80 columns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Add independent controls for whether GCOV profiling should emit .gcno files orNick Lewycky
instrument the program to emit .gcda. TODO: we should emit slightly different .gcda files when .gcno emission is off. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129903 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Fix another case of <rdar://problem/9184212> that only occurs with codeCameron Zwarich
generated by llvm-gcc, since llvm-gcc uses 2 i64s for passing a 4 x float vector on ARM rather than an i64 array like Clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129878 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20The bitcast case here is actually handled uniformly earlier in the function, soCameron Zwarich
delete it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129877 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Cleanup some code to better use an early return style in preparation for addingCameron Zwarich
more cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129876 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Trivial simplification.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129759 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-18Mark some functions as used which are used within debug-only code. ThisChandler Carruth
silences Clang's -Wunused-function when building in release mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129709 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Rename a misleadingly-named variable.Frits van Bommel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Fix bug when checking phi operands in InstCombiner::visitPHINode(),Jay Foad
found by code inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129641 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Fix cmake build.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129632 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Move the re-stemming function up top and use it where it's currently inlined.Nick Lewycky
Break the arc-profile code out to a function like the notes emission code is, and reorder the functions in the file. The only functionality change is that we no longer modify the Module when the Module has no debug info to use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129631 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-16Rename LineProfiling to GCOVProfiling to more accurately represent what itNick Lewycky
does. Also mostly implement it. Still a work-in-progress, but generates legal output on crafted test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129630 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Fix a ton of comment typos found by codespell. Patch byChris Lattner
Luis Felipe Strano Moraes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Add an instcombine for constructs like a | -(b != c); a select is moreEli Friedman
canonical, and generally leads to better code. Found while looking at an article about saturating arithmetic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129545 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Fix an infinite alternation in JumpThreading where two transforms would ↵Owen Anderson
repeatedly undo each other. The solution is to perform more aggressive constant folding to make one of the edges just folded away rather than trying to thread it. Fixes <rdar://problem/9284786>. Discovered with CSmith. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Cleanup r129509 based on comments by ChrisMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129532 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Cleanup r129472 by using a utility routine as suggested by Eli.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129509 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14rework FoldBranchToCommonDest to exit earlier when there is a bonusChris Lattner
instruction around, reducing work. Greatly simplify handling of debug instructions. There is no need to build up a vector of them and then move them into the one predecessor if we're processing a block. Instead just rescan the block and *copy* them into the pred. If a block gets merged into multiple preds, this will retain more debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129502 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14fix a couple -Wsign-compare warnings.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129501 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Vectors with different number of elements of the same element type can haveMon P Wang
the same allocation size but different primitive sizes(e.g., <3xi32> and <4xi32>). When ScalarRepl promotes them, it can't use a bit cast but should use a shuffle vector instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129472 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Fixed the revision 129449.Junjie Gu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Passing unroll parameters (unroll-count, threshold, and partial unroll) via ↵Junjie Gu
LoopUnroll class's ctor. Doing so will allow multiple context with different loop unroll parameters to run. This is a minor change and no effect on existing application. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129449 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Add the alias analysis to the C api.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129447 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Reapply r129401 with patch for clang.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129419 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12Revert r129401 for now. Clang is using the old way of doing things.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129403 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12Remove the unaligned load intrinsics in favor of using native unaligned loads.Bill Wendling
Now that we have a first-class way to represent unaligned loads, the unaligned load intrinsics are superfluous. First part of <rdar://problem/8460511>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12lib/Transforms/Instrumentation/CMakeLists.txt: Add LineProfiling.cpp to fix ↵NAKAMURA Takumi
up r129340. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129343 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12Add support for line profiling. Very work-in-progress.Nick Lewycky
Use debug info in the IR to find the directory/file:line:col. Each time that location changes, bump a counter. Unlike the existing profiling system, we don't try to look at argv[], and thusly don't require main() to be present in the IR. This matches GCC's technique where you specify the profiling flag when producing each .o file. The runtime library is minimal, currently just calling printf at program shutdown time. The API is designed to make it possible to emit GCOV data later on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129340 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12Consider ConstantAggregateZero as well as ConstantArray/Struct.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12Fix reassociate to use a worklist instead of recursing when newDan Gohman
reassociation opportunities are exposed. This fixes a bug where the nested reassociation expects to be the IR to be consistent, but it isn't, because the outer reassociation has disconnected some of the operands. rdar://9167457 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129324 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11comment cleanup, use moveBefore instead of removeFromParent+insertBefore.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129319 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11remove the StructRetPromotion pass. It is unused, not maintained andChris Lattner
has some bugs. If this is interesting functionality, it should be reimplemented in the argpromotion pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Just because a GlobalVariable's initializer is [N x { i32, void ()* }] doesn'tNick Lewycky
mean that it has to be ConstantArray of ConstantStruct. We might have ConstantAggregateZero, at either level, so don't crash on that. Also, semi-deprecate the sentinal value. The linker isn't aware of sentinals so we end up with the two lists appended, each with their "sentinals" on them. Different parts of LLVM treated sentinals differently, so make them all just ignore the single entry and continue on with the rest of the list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129307 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't include Operator.h from InstrTypes.h.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Add back a couple checks removed by r129128; the fact that an intitializerEli Friedman
is an array of structures doesn't imply it's a ConstantArray of ConstantStruct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129207 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09fix PR9523, a crash in looprotate on a non-canonical loop made out of ↵Chris Lattner
indirectbr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129203 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Fix a bug where RecursivelyDeleteTriviallyDeadInstructions couldChris Lattner
delete the instruction pointed to by CGP's current instruction iterator, leading to a crash on the testcase. This fixes PR9578. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129200 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Add a function for profiling to run at shutdown. Unlike the existing API, thisNick Lewycky
can be used even when main() isn't present in the Module, but it means that you don't get to read argv[]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129163 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08llvm.global_[cd]tor is defined to be either external, or appending with an arrayNick Lewycky
of { i32, void ()* }. Teach the verifier to verify that, deleting copies of checks strewn about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129128 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Do not let debug info interfer with branch folding.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129114 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Expose more passes to the C API.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129087 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07While hoisting common code from if/else, hoist debug info intrinsics if they ↵Devang Patel
match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129078 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07PR9634: Don't unconditionally tell the AliasSetTracker that the PreheaderLoadEli Friedman
is equivalent to any other relevant value; it isn't true in general. If it is equivalent, the LoopPromoter will tell the AST the equivalence. Also, delete the PreheaderLoad if it is unused. Chris, since you were the last one to make major changes here, can you check that this is sane? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Simplify. isIdenticalToWhenDefined() checks opcode.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129041 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-06While folding branch to a common destination into a predecessor, copy dbg ↵Devang Patel
values also. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129035 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05Fix typos. Adjust some whitespace for style. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128924 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05InstCombine optimizes gep(bitcast(x)) even when the bitcasts casts away addressNadav Rotem
space info. We crash with an assert in this case. This change checks that the address space of the bitcasted pointer is the same as the gep ptr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128884 91177308-0d34-0410-b5e6-96231b3b80d8
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