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2010-04-01- Avoid using floating point stores to implement memset unless the value is ↵Evan Cheng
zero. - Do not try to infer GV alignment unless its type is sized. It's not possible to infer alignment if it has opaque type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100118 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Skip instructions until new scope is seen.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Cosmetic changes.Devang Patel
Update comment, rename a local variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Remove accidental include and add a comment.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100107 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Various improvements to MemoryBuffer::getFile:Benjamin Kramer
- Use a RAII object to close the FD. - Use sys::StrError instead of thread-unsafe strerror calls. - Recover gracefully if read returns zero. This works around an issue on DragonFlyBSD where /dev/null has an st_size of 136 but we can't read 136 bytes from it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100106 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Introduce ImmutableCallSite, useful for contexts where no mutationGabor Greif
is necessary. Inherits from new templated baseclass CallSiteBase<> which is highly customizable. Base CallSite on it too, in a configuration that allows full mutation. Adapt some call sites in analyses to employ ImmutableCallSite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100100 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Clean up this file a little, no functionality change. This is a subset of myNick Lewycky
patch back in r94322. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100097 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01switch IRBuilder to use NewDebugLoc for locations insteadChris Lattner
of raw mdnodes. This allows frontends to specify debug locations without ever creating an MDNode for the DILocation. This requires a corresponding clang/llvm-gcc change which I'll try to commit as simultaneously as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100095 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Fix sdisel memcpy, memset, memmove lowering:Evan Cheng
1. Makes it possible to lower with floating point loads and stores. 2. Avoid unaligned loads / stores unless it's fast. 3. Fix some memcpy lowering logic bug related to when to optimize a load from constant string into a constant. 4. Adjust x86 memcpy lowering threshold to make it more sane. 5. Fix x86 target hook so it uses vector and floating point memory ops more effectively. rdar://7774704 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100090 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Nehalem unaligned memory access is fast.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100089 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Switch the representation of the location in instruction fromChris Lattner
being a TrackingVH<MDNode> to a NewDebugLoc, shrinking sizeof(Instruction) a lot, and providing clients the ability to deal with locations in terms of NewDebugLoc instead of having to deal with Metadata. This is still fully compatible with all clients that *do* use MDNodes for everything of course. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100088 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01include header.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100087 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01rewrite handling of forward ref'd instruction metadata Chris Lattner
to used deferred resolution instead of creating a temporary node + rauw. There is no reason to create the temporary mdnode, then do rauw, then destroy it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100086 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01fix a bug in DebugRecVH::deleted/allUsesReplacedWith. If an Chris Lattner
entry in the Scope+InlinedAt drops to a non-canonical form, we need to reset the idx member of both VH's to 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100084 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01no really, we don't need to copy strings around in the accessor.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100083 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01eliminate a temporary smallvectorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100082 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01add a method to decode a DILocation into a NewDebugLoc.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100081 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Add aeskeygenassist intrinsic and rename all of the aes intrinsics toEric Christopher
aes instead of sse4.2. Add a brief todo for a subtarget flag and rework the aeskeygenassist instruction to more closely match the docs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100078 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01update cmakefile.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100074 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Add a new "NewDebugLoc" class which will eventually replace DebugLoc,Chris Lattner
and will replace the 'DbgInfo' member in Instruction. The benefit of NewDebugLoc is that it is compact (8 bytes vs 12/24 bytes for the DbgInfo member in Instruction on a 32/64 bit system), it means that we will end up not having to allocate MDNodes to represent the "DILocations" in common cases of -O0 -g, and it is much more efficient to get things out of than the MDNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100072 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01vml[as] are slow on 1136jf-s also.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100066 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01Reapply r100056. It doesn't look like it's the one that's causing a failure.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100065 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Revert r100056. It was causing a failure on MSVC.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100062 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Reverting 100048; it broke two Frontend debug info tests.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100058 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Rewrite CorrectExtraCFGEdges() to make it more understandable.Bill Wendling
* Set the "DestA" and "DestB" according to how they're understood by the method. I.e., if one or both of them should point to the "fall through" block, then point to the fall through block. * Improve the loop that removes superfluous edges to be more understandable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100056 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Debug info can now properly represent functions inside classes inside other ↵Stuart Hastings
functions. Partial fix for Radar 7424645. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100048 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Rewrite part of the SSAUpdater to be more careful about inserting redundantBob Wilson
PHIs. The previous algorithm was unable to reliably detect when existing PHIs in a cycle can be reused. I'm still working on reducing a testcase. Radar 7711900. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Fix a nasty dangling-pointer heisenbug that couldDale Johannesen
generate wrong code pretty much anywhere AFAICT. A case that hits the bug reproducibly is impossible, but the situation was like this: Addr = ... Store -> Addr Addr2 = GEP , 0, 0 Store -> Addr2 Handling the first store, the code changed replaced Addr with a sunkaddr and deleted Addr, but not its table entry. Code in OptimizedBlock replaced Addr2 with a bitcast; if that happened to reuse the memory of Addr, the old table entry was erroneously found when handling the second store. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31reduce indentation, minor cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100042 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Reduce string trashing.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100038 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Use spaces, not tabsJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100037 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31DwarfDebug: Allocate DIEValues with a BumpPtrAllocator. Most of them areBenjamin Kramer
POD-like anyway, so we don't even care about calling their d'tors (DIEBlock being the exception). ~6% less mallocs and ~1% compile time improvement on clang -O0 -g oggenc.c git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100035 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Comment the changes for r98218 and friends inside the source code.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Comment the changes for r98218 and friends inside the source code.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Fix PR6750. Don't try to merge a DomainValue with itself.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100016 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31s/getNameStr/getName/Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Bump SmallString size a bit to avoid malloc trashing.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31AddSignalHandler was not releasing the critical section on win32.Torok Edwin
Patch from Gianluigi Tiesi! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100003 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31reduce indentationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31tidy upChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99998 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31microoptimize this hot method, also making it more Chris Lattner
consistent with other similar ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99997 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31MI != 0 is checked in the assert right above this.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31use the isDebugValue() predicate and pop_back_val()Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99993 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31assert is a function-like macro, not a control flow operator.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99992 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31reduce indentation, fit in 80 cols and various other cosmetic cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99989 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31use the optimized debug info apis in sdisel.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99986 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31make irbuilder use the new optimized debug info accessors.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99984 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31add new apis for getting/setting !dbg metadata on Chris Lattner
instructions. In addition to being a convenience, they are faster than the old apis, particularly when not going from an MDKindID like people should be doing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99982 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Replace V_SET0 with variants for each SSE execution domain.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99975 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Fix typo. Thank you, valgrind.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99974 91177308-0d34-0410-b5e6-96231b3b80d8
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