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* sink a call into its only use.Chris Lattner2011-04-141-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129503 91177308-0d34-0410-b5e6-96231b3b80d8
* rework FoldBranchToCommonDest to exit earlier when there is a bonusChris Lattner2011-04-141-39/+30
| | | | | | | | | | | | | | 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
* fix a couple -Wsign-compare warnings.Chris Lattner2011-04-141-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129501 91177308-0d34-0410-b5e6-96231b3b80d8
* As Dan pointed out, movzbl, movsbl, and friends are nicer than their aliasBill Wendling2011-04-1429-121/+112
| | | | | | | (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
* Have the X86 back-end emit the alias instead of what's being aliased. In mostBill Wendling2011-04-1433-163/+175
| | | | | | | 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
* Add an option to not print the alias of an instruction. It defaults to "printBill Wendling2011-04-133-3/+8
| | | | | | | the alias". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129485 91177308-0d34-0410-b5e6-96231b3b80d8
* During post-legalization DAG combining, be careful to only create shifts ↵Owen Anderson2011-04-131-1/+8
| | | | | | 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
* Thumb disassembler did not handle tBRIND (indirect branch) properly.Johnny Chen2011-04-132-6/+13
| | | | | | | rdar://problem/9280370 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129480 91177308-0d34-0410-b5e6-96231b3b80d8
* Vectors with different number of elements of the same element type can haveMon P Wang2011-04-132-6/+110
| | | | | | | | | 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
* Check for unallocated instruction encodings when disassembling Thumb Branch ↵Johnny Chen2011-04-133-7/+24
| | | | | | | | | instructions (tBcc and t2Bcc). rdar://problem/9280470 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129471 91177308-0d34-0410-b5e6-96231b3b80d8
* The LDR*T/STR*T (unpriviledged load/store) operations don't take SP or PC as Rt.Johnny Chen2011-04-133-8/+26
| | | | | | | rdar://problem/9279440 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129469 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in an ARM-specific DAG combine. This fixes <rdar://problem/9278274>.Cameron Zwarich2011-04-132-1/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129468 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix format string warning.Benjamin Kramer2011-04-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129467 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a regression caused by r102515 where explicit alignment on globals isCameron Zwarich2011-04-133-6/+6
| | | | | | | 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
* Fix debug message.Devang Patel2011-04-131-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129463 91177308-0d34-0410-b5e6-96231b3b80d8
* Check the corner cases for t2LDRSHi12 correctly and mark invalid encodings ↵Johnny Chen2011-04-133-1/+53
| | | | | | | | | as such. rdar://problem/9276651 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129462 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extra bytes that were added for gdb. We do not have good poiner to ↵Devang Patel2011-04-131-8/+1
| | | | | | 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
* Use positive values since the value type is unsigned. Fixes a warning on theNick Lewycky2011-04-131-2/+2
| | | | | | | llvm-gcc-native-mingw32 builder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129457 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug where for t2MOVCCi disassembly, the TIED_TO register operand was ↵Johnny Chen2011-04-132-3/+14
| | | | | | | | | not properly handled. rdar://problem/9276427 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129456 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot to add this change for ↵Johnny Chen2011-04-131-4/+4
| | | | | | 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
* Fixed the revision 129449.Junjie Gu2011-04-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129450 91177308-0d34-0410-b5e6-96231b3b80d8
* Passing unroll parameters (unroll-count, threshold, and partial unroll) via ↵Junjie Gu2011-04-132-13/+24
| | | | | | | | | | | 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
* Load multiple object files and link them via RuntimeDyld in llvm-rtdyld.Jim Grosbach2011-04-131-13/+23
| | | | | | | | | | | | | | | | | | | | | | | | 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
* Add the alias analysis to the C api.Rafael Espindola2011-04-132-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129447 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow user-specified program entry point for llvm-rtdyld.Jim Grosbach2011-04-131-3/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129446 91177308-0d34-0410-b5e6-96231b3b80d8
* MCJIT relocation resolution.Jim Grosbach2011-04-131-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129445 91177308-0d34-0410-b5e6-96231b3b80d8
* Export LLVM_TARGETS_WITH_JIT in LLVMConfig.cmake.in. Without this,Oscar Fuentes2011-04-131-0/+2
| | | | | | | | | component names such as "engine" do not expand to "jit" and hence to the native target libraries for external users. Thanks to arrowdodger for reporting and diagnosing the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129444 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9214: Convert ConstantExpr::getIndices() to return an ArrayRef, plusJay Foad2011-04-135-13/+11
| | | | | | related tweaks to ExprMapKeyType. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129443 91177308-0d34-0410-b5e6-96231b3b80d8
* Stop using dead function.Jakob Stoklund Olesen2011-04-133-18/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129442 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some redundant llvm:: prefixes.Jay Foad2011-04-132-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129441 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Jay Foad2011-04-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129440 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9214: Convert ConstantExpr::getWithOperands() to use ArrayRef.Jay Foad2011-04-133-11/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129439 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Jay Foad2011-04-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129437 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo in comment.Jay Foad2011-04-131-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129436 91177308-0d34-0410-b5e6-96231b3b80d8
* Like the coding standards say, do not use "using namespace std".Jay Foad2011-04-132-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129435 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an obvious problem with an alignment computation. AsmPrinter actually doesCameron Zwarich2011-04-132-1/+3
| | | | | | | | the max itself, so it is not easy to write a test case for this, but I added a test case that would fail if the code in AsmPrinter were removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129432 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo.Cameron Zwarich2011-04-132-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129429 91177308-0d34-0410-b5e6-96231b3b80d8
* If a global variable has a specified alignment that is less than the preferredCameron Zwarich2011-04-132-2/+15
| | | | | | | alignment for its type, use the minimum of the specified alignment and the ABI alignment. This fixes <rdar://problem/9275290>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129428 91177308-0d34-0410-b5e6-96231b3b80d8
* Use %ull here.Nick Lewycky2011-04-131-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129423 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommit r129383. PreRA scheduler heuristic fixes: VRegCycle, TokenFactor ↵Andrew Trick2011-04-139-186/+222
| | | | | | | | | | | | | | | | | | | | | | latency. Additional fixes: Do something reasonable for subtargets with generic itineraries by handle node latency the same as for an empty itinerary. Now nodes default to unit latency unless an itinerary explicitly specifies a zero cycle stage or it is a TokenFactor chain. Original fixes: UnitsSharePred was a source of randomness in the scheduler: node priority depended on the queue data structure. I rewrote the recent VRegCycle heuristics to completely replace the old heuristic without any randomness. To make the ndoe latency adjustments work, I also needed to do something a little more reasonable with TokenFactor. I gave it zero latency to its consumers and always schedule it as low as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129421 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r129401 with patch for clang.Bill Wendling2011-04-138-56/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129419 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r129408 to see if it brings the bots back.Eric Christopher2011-04-132-15/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129417 91177308-0d34-0410-b5e6-96231b3b80d8
* Be consistent about being virtual and returning void in the cfi methods.Rafael Espindola2011-04-124-87/+107
| | | | | | Implement the ones that were missing in the asm streamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129413 91177308-0d34-0410-b5e6-96231b3b80d8
* Add sanity check for Ld/St Dual forms of Thumb2 instructions.Johnny Chen2011-04-123-0/+52
| | | | | | | rdar://problem/9273947 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129411 91177308-0d34-0410-b5e6-96231b3b80d8
* Add @earlyclobber constraints to the writeback register of all ARM store ↵Jakob Stoklund Olesen2011-04-122-12/+24
| | | | | | | | | | instructions. The ARMARM specifies these instructions as unpredictable when storing the writeback register. This shouldn't affect code generation much since storing a pointer to itself is quite rare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129409 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug where we were counting the alias sets as completely usedEric Christopher2011-04-122-2/+15
| | | | | | | | | registers for fast allocation. Fixes rdar://9207598 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129408 91177308-0d34-0410-b5e6-96231b3b80d8
* I missed this new file in previous commit.Devang Patel2011-04-121-0/+973
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129407 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify. There is no need to use static variable.Devang Patel2011-04-121-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129406 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not reuse parameter name.Devang Patel2011-04-121-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129405 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a hole in the definition of "dependence" used by trap values. TrapDan Gohman2011-04-121-2/+22
| | | | | | | | values are also transmitted through branches which cause side effects to be skipped altogether. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129404 91177308-0d34-0410-b5e6-96231b3b80d8
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