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2009-06-29Initialize CurSection in constructor.Torok Edwin
Not doing so causes some unittests to fail, because CurSection is uninitialized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74442 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Fix order of arguments to EXPECT_EQDaniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74441 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Rename MCValue::getCst to getConstant and add MCValue::isConstant.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74440 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Relax LDA memory instruction checks.Andreas Bolka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74439 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Call doInitialization(), releaseMemory(), and doFinalization() for ↵Torok Edwin
on-the-fly passes as well. Also don't call finalizers for LoopPass if initialization was not called. Add a unittest that tests that these methods are called, in the proper order, and the correct number of times. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74438 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Simplify this code, and avoid using APInt(). This fixesDan Gohman
(otherwise harmless) uninitialized value warnings that Duncan found with gcc-4.4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Add a target-specific DAG combine on X86 to fold the common pattern ofOwen Anderson
fence-atomic-fence down to just the atomic op. This is possible thanks to X86's relatively strong memory model, which guarantees that locked instructions (which are used to implement atomics) are implicit fences. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74435 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Fix three MSVC 2008 warnings that completely clutter the build output.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74430 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Add processor descriptions for Istanbul and Shanghai.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74429 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Fix a subtarget feature bug.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74428 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Add more vector ValueTypes for AVX and other extended vector instructionDavid Greene
sets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74427 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Fix CMake checks for pthread_getspecific and pthread_rwlock_init, from ↵Douglas Gregor
Xerxes Ranby git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74426 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Rename ARMcmpNZ to ARMcmpZ and use it to represent comparisons that set only ↵David Goodwin
the Z flag (i.e. eq and ne). Make ARMcmpZ commutative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74423 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Add triple for OpenBSD.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74422 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Include the new file ThumbRegisterInfo.cpp to CMakeLists.txtDuncan Sands
to make sure ThumbRegisterInfo.cpp are compiled and linked in. Patch by Xerxes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74421 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Implement Thumb2 ldr.Evan Cheng
After much back and forth, I decided to deviate from ARM design and split LDR into 4 instructions (r + imm12, r + imm8, r + r << imm12, constantpool). The advantage of this is 1) it follows the latest ARM technical manual, and 2) makes it easier to reduce the width of the instruction later. The down side is this creates more inconsistency between the two sub-targets. We should split ARM LDR instruction in a similar fashion later. I've added a README entry for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74420 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Make dynamic LLVMC plugins work on Windows (finally!).Mikhail Glushenkov
Implemented by making lib/CompilerDriver a shared library that holds all the global static data (CommandLine options, plugin registry) that we unfortunately have to live with. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74417 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Missed one.Andreas Bolka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74416 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-29Fix case in LDA util function names.Andreas Bolka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74415 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-28Print pairwise dependence results, add testcases.Andreas Bolka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74402 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-28Minimal LDA interface, maximally conservative tester.Andreas Bolka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74401 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-28LDA analysis output scaffolding.Andreas Bolka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74400 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Don't try to split a loop when the controlling icmp instructionDan Gohman
doesn't have an IV-based operand. This fixes PR4471. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74399 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Remove the block from the LoopInfo, rather than just the Loop.Dan Gohman
LoopInfo will handle removing it from the Loop, as well as updating its own tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74398 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Teach LoopSimplify how to merge multiple loop exits into a single exit,Dan Gohman
when one of them can be converted to a trivial icmp and conditional branch. This addresses what is essentially a phase ordering problem. SimplifyCFG knows how to do this transformation, but it doesn't do so if the primary block has any instructions in it other than an icmp and a branch. In the given testcase, the block contains other instructions, however they are loop-invariant and can be hoisted. SimplifyCFG doesn't have LoopInfo though, so it can't hoist them. And, it's important that the blocks be merged before LoopRotation, as it doesn't support multiple-exit loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27More minor code simplifications.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74395 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Eliminate a layer of indirection in LoopInfo and MachineLoopInfo.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74394 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Convert ScalarEvolution to use BumpPtrAllocator and FoldingSet, insteadDan Gohman
of a team of individual allocations and a team of std::maps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74393 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Remove a redundant #include.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Change SCEVExpander to use an IRBuilder to emit instructions.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74391 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Add a 'const' in a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74389 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Simplify a bitAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27ARM refactoring. Step 2: split RegisterInfoAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74384 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Add ThumbInstrInfo.cpp to the CMake makefilesDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74382 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27remove a bunch of fixmes (old checking code) and commonize all theChris Lattner
target-specific operand printing functionality. Yay. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74379 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27pull @GOT, @GOTOFF, @GOTPCREL handling into isel from the asmprinter.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74378 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27simplify some code and eliminate the symbolicAddressesAreRIPRel() predicate.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74377 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27When a value is used multiple times within a single PHI, instructionsDan Gohman
inserted to replace that value must dominate all of of the basic blocks associated with the uses of the value in the PHI, not just one of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74376 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27fix clang/test/CodeGenObjC/try.m, a basereg doesn't mean no global anymore.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74375 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27fix a bunch of failures in the X86-64 JIT by tolerating RIP asChris Lattner
a base register. We just ignore it for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74374 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27factor some logic out into a helper function, allow remat of loads from constantChris Lattner
globals. This implements remat-constant.ll even without aggressive-remat. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74373 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Reimplement rip-relative addressing in the X86-64 backend. The newChris Lattner
implementation primarily differs from the former in that the asmprinter doesn't make a zillion decisions about whether or not something will be RIP relative or not. Instead, those decisions are made by isel lowering and propagated through to the asm printer. To achieve this, we: 1. Represent RIP relative addresses by setting the base of the X86 addr mode to X86::RIP. 2. When ISel Lowering decides that it is safe to use RIP, it lowers to X86ISD::WrapperRIP. When it is unsafe to use RIP, it lowers to X86ISD::Wrapper as before. 3. This removes isRIPRel from X86ISelAddressMode, representing it with a basereg of RIP instead. 4. The addressing mode matching logic in isel is greatly simplified. 5. The asmprinter is greatly simplified, notably the "NotRIPRel" predicate passed through various printoperand routines is gone now. 6. The various symbol printing routines in asmprinter now no longer infer when to emit (%rip), they just print the symbol. I think this is a big improvement over the previous situation. It does have two small caveats though: 1. I implemented a horrible "no-rip" modifier for the inline asm "P" constraint modifier. This is a short term hack, there is a much better, but more involved, solution. 2. I had to xfail an -aggressive-remat testcase because it isn't handling the use of RIP in the constant-pool reading instruction. This specific test is easy to fix without -aggressive-remat, which I intend to do next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74372 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27remove some unneeded eh info.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74371 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27When doing remat, don't consider uses of non-allocatable physregs. Patch Chris Lattner
by Evan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74370 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Renaming for consistency.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74368 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27testcase for PR4466Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74367 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Fix PR4466 by making fastisel set operand flags correctly.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74366 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27fix a typo that GCC should have caught that causes crashes with -view-*-dagsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74364 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26Remove outdated comment.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26When possible, use "mvn ra, rb" instead of "eor ra, rb, -1" because mvn has ↵David Goodwin
a narrow version and eor(i) does not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74355 91177308-0d34-0410-b5e6-96231b3b80d8
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