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* Enable post regalloc machine licm by default.Evan Cheng2010-04-121-0/+140
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101023 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure this test tests something.Benjamin Kramer2010-04-091-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100879 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase for svn r100568.Bob Wilson2010-04-091-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100876 91177308-0d34-0410-b5e6-96231b3b80d8
* "On SPU, variables in the .bss section that are allocated with the .lcomm ↵Chris Lattner2010-04-091-0/+2
| | | | | | | | | | | | | directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment. this patch disables .lcomm in favour of '.local .comm' Patch by Kalle Raisklia! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100875 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge a few fast-isel tests.Dan Gohman2010-04-093-23/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100860 91177308-0d34-0410-b5e6-96231b3b80d8
* Coalescer should not delete copy instructions whose defs are partially dead. ↵Evan Cheng2010-04-081-0/+26
| | | | | | | | | e.g. %RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100804 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid using f64 to lower memcpy from constant string. It's cheaper to use ↵Evan Cheng2010-04-082-12/+55
| | | | | | i32 store of immediates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100751 91177308-0d34-0410-b5e6-96231b3b80d8
* When expanding expressions which are using post-inc mode for multiple loops,Dan Gohman2010-04-081-0/+27
| | | | | | | ensure that the expansion is dominated by the increments of those loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100748 91177308-0d34-0410-b5e6-96231b3b80d8
* add newlines at the end of files.Chris Lattner2010-04-0717-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100705 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize IVUsers to track arbitrary expressions rather than expressionsDan Gohman2010-04-071-0/+277
| | | | | | | | | | | | | | | | explicitly split into stride-and-offset pairs. Also, add the ability to track multiple post-increment loops on the same expression. This refines the concept of "normalizing" SCEV expressions used for to post-increment uses, and introduces a dedicated utility routine for normalizing and denormalizing expressions. This fixes the expansion of expressions which are post-increment users of more than one loop at a time. More broadly, this takes LSR another step closer to being able to reason about more than one loop at a time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100699 91177308-0d34-0410-b5e6-96231b3b80d8
* Split big test into multiple directories to cater toDale Johannesen2010-04-0712-0/+397
| | | | | | | | those who don't build all targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100688 91177308-0d34-0410-b5e6-96231b3b80d8
* this has a pr!Chris Lattner2010-04-071-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100637 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a latent bug my inline asm stuff exposed: Chris Lattner2010-04-071-0/+16
| | | | | | | MachineOperand::isIdenticalTo wasn't handling metadata operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100636 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove XFAIL for vg_leak as the leaks are fixed by 100601.Sanjiv Gupta2010-04-071-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100612 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to collapse DomainValues onto an incompatible SSE domain.Jakob Stoklund Olesen2010-04-061-0/+130
| | | | | | This fixes the Bullet regression on i386/nocona. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100553 91177308-0d34-0410-b5e6-96231b3b80d8
* Add nounwind.Evan Cheng2010-04-051-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100482 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't do code sinking on unreachable blocks. It's unprofitable and hazardous.Dan Gohman2010-04-051-0/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100455 91177308-0d34-0410-b5e6-96231b3b80d8
* resolve a fixme.Chris Lattner2010-04-041-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100346 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly lower memset / memcpy of undef. It should be a nop. PR6767.Evan Cheng2010-04-022-5/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100208 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the recent alignment changes. They're broken for -Os because,Dan Gohman2010-04-022-2/+2
| | | | | | | | in particular, they end up aligning strings at 16-byte boundaries, and there's no way for GlobalOpt to check OptForSize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100172 91177308-0d34-0410-b5e6-96231b3b80d8
* After trivial coalescing, the MI being visited may have become a copy. Avoid ↵Evan Cheng2010-04-021-0/+70
| | | | | | | | | adding it to CSE hash table since copies aren't being considered for CSE and they may be deleted. rdar://7819990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100170 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove this initializer so that the optimizer doesn't convertDan Gohman2010-04-021-1/+1
| | | | | | | unaligned loads into aligned loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100166 91177308-0d34-0410-b5e6-96231b3b80d8
* Update this test for the new preferred alignment heuristics.Dan Gohman2010-04-021-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100165 91177308-0d34-0410-b5e6-96231b3b80d8
* In 64-bit mode, use i64 to lower memcpy / memset instead of f64.Evan Cheng2010-04-012-9/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100137 91177308-0d34-0410-b5e6-96231b3b80d8
* - Avoid using floating point stores to implement memset unless the value is ↵Evan Cheng2010-04-011-2/+10
| | | | | | | | | 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
* Add -mcpu to memcpy / memset tests to ensure they behave the same on all ↵Evan Cheng2010-04-013-9/+8
| | | | | | hosts / targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100101 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix sdisel memcpy, memset, memmove lowering:Evan Cheng2010-04-017-56/+130
| | | | | | | | | | | | | | 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
* Replace V_SET0 with variants for each SSE execution domain.Jakob Stoklund Olesen2010-03-316-7/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99975 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo. Thank you, valgrind.Jakob Stoklund Olesen2010-03-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99974 91177308-0d34-0410-b5e6-96231b3b80d8
* Not all platforms start symbols with _Jakob Stoklund Olesen2010-03-302-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99959 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable -sse-domain-fix by default. Now with tests!Jakob Stoklund Olesen2010-03-309-45/+59
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99954 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the pmulld intrinsic and autoupdate it as a vector multiply.Eric Christopher2010-03-302-1/+17
| | | | | | | | Rewrite the pmulld patterns, and make sure that they fold in loads of arguments into the instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99910 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL some PIC16 tests when running under valgrind-leaks. I don't expect theseBenjamin Kramer2010-03-306-0/+6
| | | | | | | to be fixed any time soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99888 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR4975. Avoid referencing empty vector.Evan Cheng2010-03-291-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99840 91177308-0d34-0410-b5e6-96231b3b80d8
* From Kalle Raiskila:Chris Lattner2010-03-291-0/+17
| | | | | | | | | | "the bigstack patch for SPU, with testcase. It is essentially the patch committed as 97091, and reverted as 97099, but with the following additions: -in vararg handling, registers are marked to be live, to not confuse the register scavenger -function prologue and epilogue are not emitted, if the stack size is 16. 16 means it is empty - there is only the register scavenger emergency spill slot, which is not used as there is no stack." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99819 91177308-0d34-0410-b5e6-96231b3b80d8
* teach tblgen to allow patterns like (add (i32 (bitconvert (i32 GPR))), 4), Chris Lattner2010-03-281-3/+7
| | | | | | | | | | transforming it into (add (i32 GPR), 4). This allows us to write type generic multi patterns and have tblgen automatically drop the bitconvert in the case when the types align. This allows us to fold an extra load in the changed testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99756 91177308-0d34-0410-b5e6-96231b3b80d8
* add some nounwindsChris Lattner2010-03-281-12/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99752 91177308-0d34-0410-b5e6-96231b3b80d8
* this takes an insane amount of time to run, disable it for now (PR6727)Chris Lattner2010-03-281-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99751 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not sibcall if stack needs to be dynamically aligned.Evan Cheng2010-03-261-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99620 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow trivial sibcall of vararg callee when no arguments are being passed.Evan Cheng2010-03-263-6/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99598 91177308-0d34-0410-b5e6-96231b3b80d8
* Try trivial remat before the coalescer gives up on a vr / physreg coalescing ↵Evan Cheng2010-03-263-2/+17
| | | | | | for fear of tying up a physical register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99575 91177308-0d34-0410-b5e6-96231b3b80d8
* switch the flag for using NEON for SP floating point to a subtarget 'feature'.Jim Grosbach2010-03-2517-29/+20
| | | | | | Re-commit. This time complete with testsuite updates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99570 91177308-0d34-0410-b5e6-96231b3b80d8
* Add nounwind.Evan Cheng2010-03-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99546 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the NDEBUG assertion stronger and more clear what is Chris Lattner2010-03-256-6/+5
| | | | | | | | | | | | | | | | | | | | | | happening. Enhance scheduling to set the DEAD flag on implicit defs more aggressively. Before, we'd set an implicit def operand to dead if it were present in the SDNode corresponding to the machineinstr but had no use. Now we do it in this case AND if the implicit def does not exist in the SDNode at all. This exposes a couple of problems: one is the FIXME, which causes a live intervals crash on CodeGen/X86/sibcall.ll. The second is that it makes machinecse and licm more aggressive (which is a good thing) but also exposes a case where licm hoists a set0 and then it doesn't get resunk. Talking to codegen folks about both these issues, but I need this patch in in the meantime. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99485 91177308-0d34-0410-b5e6-96231b3b80d8
* BUILD_VECTOR was missing out on some prime opportunities to use SSE 4.1 inserts.Nate Begeman2010-03-244-2/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99423 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert Edwin's change that is breaking MultiSource/Applications/ClamAV/clamscan.Bob Wilson2010-03-241-114/+0
| | | | | | | | | --- Reverse-merging r99400 into '.': D test/CodeGen/Generic/2010-03-24-liveintervalleak.ll U lib/CodeGen/LiveIntervalAnalysis.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99419 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix memory leak in liveintervals: the destructor for VNInfos must be called,Torok Edwin2010-03-241-0/+114
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | otherwise the SmallVector it contains doesn't free its memory. In most cases LiveIntervalAnalysis could get away by not calling the destructor, because VNInfos are bumpptr-allocated, and smallvectors usually don't grow. However when the SmallVector does grow it always leaks. This is the valgrind shown leak from the original testcase: ==8206== 18,304 bytes in 151 blocks are definitely lost in loss record 164 of 164 ==8206== at 0x4A079C7: operator new(unsigned long) (vg_replace_malloc.c:220) ==8206== by 0x4DB7A7E: llvm::SmallVectorBase::grow_pod(unsigned long, unsigned long) (in /home/edwin/clam/git/builds/defaul t/libclamav/.libs/libclamav.so.6.1.0) ==8206== by 0x4F90382: llvm::VNInfo::addKill(llvm::SlotIndex) (in /home/edwin/clam/git/builds/default/libclamav/.libs/libcl amav.so.6.1.0) ==8206== by 0x5126B5C: llvm::LiveIntervals::handleVirtualRegisterDef(llvm::MachineBasicBlock*, llvm::ilist_iterator<llvm::M achineInstr>, llvm::SlotIndex, llvm::MachineOperand&, unsigned int, llvm::LiveInterval&) (in /home/edwin/clam/git/builds/defau lt/libclamav/.libs/libclamav.so.6.1.0) ==8206== by 0x512725E: llvm::LiveIntervals::handleRegisterDef(llvm::MachineBasicBlock*, llvm::ilist_iterator<llvm::MachineI nstr>, llvm::SlotIndex, llvm::MachineOperand&, unsigned int) (in /home/edwin/clam/git/builds/default/libclamav/.libs/libclamav .so.6.1.0) ==8206== by 0x51278A8: llvm::LiveIntervals::computeIntervals() (in /home/edwin/clam/git/builds/default/libclamav/.libs/libc lamav.so.6.1.0) ==8206== by 0x5127CB4: llvm::LiveIntervals::runOnMachineFunction(llvm::MachineFunction&) (in /home/edwin/clam/git/builds/de fault/libclamav/.libs/libclamav.so.6.1.0) ==8206== by 0x4DAE935: llvm::FPPassManager::runOnFunction(llvm::Function&) (in /home/edwin/clam/git/builds/default/libclama v/.libs/libclamav.so.6.1.0) ==8206== by 0x4DAEB10: llvm::FunctionPassManagerImpl::run(llvm::Function&) (in /home/edwin/clam/git/builds/default/libclama v/.libs/libclamav.so.6.1.0) ==8206== by 0x4DAED3D: llvm::FunctionPassManager::run(llvm::Function&) (in /home/edwin/clam/git/builds/default/libclamav/.l ibs/libclamav.so.6.1.0) ==8206== by 0x4D8BE8E: llvm::JIT::runJITOnFunctionUnlocked(llvm::Function*, llvm::MutexGuard const&) (in /home/edwin/clam/git/builds/default/libclamav/.libs/libclamav.so.6.1.0) ==8206== by 0x4D8CA72: llvm::JIT::getPointerToFunction(llvm::Function*) (in /home/edwin/clam/git/builds/default/libclamav/.libs/libclamav.so.6.1.0) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99400 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR6673: updating the callback should not clear the map.Chris Lattner2010-03-221-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99227 91177308-0d34-0410-b5e6-96231b3b80d8
* pr6652: Use LDM to restore PC to the return address on ARMv4.Bob Wilson2010-03-201-0/+13
| | | | | | | Patch by John Tytgat! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99096 91177308-0d34-0410-b5e6-96231b3b80d8
* Stupid svn. Add back to the lost sibcall tests.Evan Cheng2010-03-201-2/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99033 91177308-0d34-0410-b5e6-96231b3b80d8
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