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2011-04-15Increase SubtargetFeatureKV Value and Implies fields to 64 bits since some ↵Evan Cheng
targets are getting very close to 32 subtarget features. Also teach tablegen to error when there are more than 64 features to guard against undefined behavior. rdar://9282332 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129590 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Add encoding tests for flds/fildsJoerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Implements StringRef::compare with bounds. It is behaves similarly to ↵Lenny Maiorani
strncmp(). Unit tests also included. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129582 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Teach the SplitKit blitter to handle multiply defined values as well.Jakob Stoklund Olesen
The transferValues() function can now handle both singly and multiply defined values, as long as the resulting live range is known. Only rematerialized values have their live range recomputed by extendRange(). The updateSSA() function can now insert PHI values in bulk across multiple values in multiple target registers in one pass. The list of blocks received from transferValues() is in layout order which seems to work well for the iterative algorithm. Blocks from extendRange() are still in reverse BFS order, but this function is used so rarely now that it doesn't matter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129580 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Remember to set flag.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129579 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Add 129518 back with a fix for when we are producing eh just because of ↵Rafael Espindola
debug info. Change ELF systems to use CFI for producing the EH tables. This reduces the size of the clang binary in Debug builds from 690MB to 679MB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129571 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
2011-04-15Revert r129518, "Change ELF systems to use CFI for producing the EH tables. ↵NAKAMURA Takumi
This reduces the" It broke several builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Fix another fcopysign lowering bug. If src is f64 and destination is f32, don'tEvan Cheng
forget to right shift the source by 32 first. rdar://9287902 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129556 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15For t2BFI, both Inst{26} and Inst{5} "should" be 0.Johnny Chen
Ref: I.1 Instruction encoding diagrams and pseudocode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129552 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Add 3DNow! intrinsics.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129551 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15The ARM disassembler did not handle the alignment correctly for VLD*DUP* ↵Johnny Chen
instructions (single element or n-element structure to all lanes). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Follow up on r127913. Fix Thumb revsh isel. rdar://9286766Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129548 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
2011-04-14Add sanity checkings for Thumb2 Load/Store Register Exclusive family of ↵Johnny Chen
operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129531 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14move PR9661 out to here.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129527 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Fix another instance of the DAG combiner not using the correct type for the ↵Owen Anderson
RHS of a shift. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14tests: Remove a FrontendC test which is no longer valid.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129519 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Change ELF systems to use CFI for producing the EH tables. This reduces theRafael Espindola
size of the clang binary in Debug builds from 690MB to 679MB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129518 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Fix whitespace and tabs.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129517 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
2011-04-14In the pre-RA scheduler, maintain cmp+br proximity.Andrew Trick
This is done by pushing physical register definitions close to their use, which happens to handle flag definitions if they're not glued to the branch. This seems to be generally a good thing though, so I didn't need to add a target hook yet. The primary motivation is to generate code closer to what people expect and rule out missed opportunity from enabling macro-op fusion. As a side benefit, we get several 2-5% gains on x86 benchmarks. There is one regression: SingleSource/Benchmarks/Shootout/lists slows down be -10%. But this is an independent scheduler bug that will be tracked separately. See rdar://problem/9283108. Incidentally, pre-RA scheduling is only half the solution. Fixing the later passes is tracked by: <rdar://problem/8932804> [pre-RA-sched] on x86, attempt to schedule CMP/TEST adjacent with condition jump Fixes: <rdar://problem/9262453> Scheduler unnecessary break of cmp/jump fusion git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129508 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Documented bugpoint --compile-custom --compile-command.Andrew Trick
I've used it a few times to reduce unit tests and gotten one request for information on it. It's not easy to use correctly because bugpoint doesn't tell you when you're doing it wrong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129507 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14add a minor missed dag combine that is blocking mid-level optimizationChris Lattner
improvements, that will lead to fixing PR6627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129504 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14sink a call into its only use.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129503 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
2011-04-14As Dan pointed out, movzbl, movsbl, and friends are nicer than their aliasBill Wendling
(movzx/movsx) because they give more information. Revert that part of the patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Have the X86 back-end emit the alias instead of what's being aliased. In mostBill Wendling
cases, it's much nicer and more informative reading the alias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Add an option to not print the alias of an instruction. It defaults to "printBill Wendling
the alias". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129485 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13During post-legalization DAG combining, be careful to only create shifts ↵Owen Anderson
where the RHS is of the legal type for the new operation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129484 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Thumb disassembler did not handle tBRIND (indirect branch) properly.Johnny Chen
rdar://problem/9280370 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129480 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
2011-04-13Check for unallocated instruction encodings when disassembling Thumb Branch ↵Johnny Chen
instructions (tBcc and t2Bcc). rdar://problem/9280470 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13The LDR*T/STR*T (unpriviledged load/store) operations don't take SP or PC as Rt.Johnny Chen
rdar://problem/9279440 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129469 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Fix a typo in an ARM-specific DAG combine. This fixes <rdar://problem/9278274>.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Fix format string warning.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129467 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Fix a regression caused by r102515 where explicit alignment on globals isCameron Zwarich
ignored. There was a test to catch this, but it was just blindly updated in a large change. This fixes another part of <rdar://problem/9275290>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129466 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Fix debug message.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129463 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Check the corner cases for t2LDRSHi12 correctly and mark invalid encodings ↵Johnny Chen
as such. rdar://problem/9276651 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129462 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Remove extra bytes that were added for gdb. We do not have good poiner to ↵Devang Patel
understand actual reason behind this fixme. Spot checking suggest that newer gdb does not need this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129461 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Use positive values since the value type is unsigned. Fixes a warning on theNick Lewycky
llvm-gcc-native-mingw32 builder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129457 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Fix a bug where for t2MOVCCi disassembly, the TIED_TO register operand was ↵Johnny Chen
not properly handled. rdar://problem/9276427 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129456 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13Forgot to add this change for ↵Johnny Chen
http://llvm.org/viewvc/llvm-project?view=rev&revision=129387. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129451 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
2011-04-13Load multiple object files and link them via RuntimeDyld in llvm-rtdyld.Jim Grosbach
Relocations between the object modules are properly resolved, as in the following trivial example: $ cat t.c int foo(); int main() { return foo(); } $ cat foo.c int foo() { return 65; } $ clang -c t.c -fno-asynchronous-unwind-tables $ clang -c foo.c -fno-asynchronous-unwind-tables $ llvm-rtdyld t.o foo.o ; echo $? loaded '_main' at: 0x10015c000 65 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129448 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
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