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2012-08-13[asan] remove the code for --asan-merge-callbacks as it appears to be a bad ↵Kostya Serebryany
idea. (partly related to Bug 13225) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161757 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-13Use correct loads for vector types during extending-load operations.Tim Northover
Previously, we used VLD1.32 in all cases, however there are both 16 and 64-bit accesses being selected, so we need to use an appropriate width load in those cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161748 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-13Tidy up VSETCC lowering code a bit more by adding an llvm_unreachable and ↵Craig Topper
putting an a couple if conditions in a better order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161746 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-13Refactor code a bit to share commonalities. No functional change intended.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161745 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-13Fix an unused variable warning from r161742.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161743 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-13Remove the LowerMMXCONCAT_VECTORS function. It could never execute because ↵Craig Topper
there are no legal 64-bit vector types that could be used as inputs to a 128-bit concat_vectors. Remove a target specific SDNode and its patterns that become unused as a result. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161742 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12When emitting the PC range in an FDE, use the same data encoding for both endsNick Lewycky
of the range. Fixes PR13581! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12Remove call to setOperationAction for SETCC of v4f32. SETCC returns an ↵Craig Topper
integer type not an FP type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161738 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12Remove unnecessary call to setOperationAction for SETCC of v2i64 under ↵Craig Topper
SSE42. It was already called for the same under SSE2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161737 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12Revert 161581: Patch to implement UMLAL/SMLAL instructions for the ARMArnold Schwaighofer
architecture It broke MultiSource/Applications/JM/ldecod/ldecod on armv7 thumb O0 g and armv7 thumb O3. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161736 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12Change addTypeForNeon to use MVT instead of EVT so all the calls to ↵Craig Topper
getSimpleVT can be removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161735 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12Make replace many calls to getSizeInBits() with is128BitVector/is256BitVectorCraig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161734 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12Use MVT.isXBitVector instead of EVT.isXBitVector when setting up operation ↵Craig Topper
actions. Compiles to smaller code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161733 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11fix PR13577, an issue introduced by r161687Michael Liao
- FCMOV only supports a subset of X86 conditions. Skip boolean simplification if X86 condition is not valid for FCMOV. - add a minimal test case for PR13577. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161732 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11Move setOperationAction for CONCAT_VECTORS for 256-bit vectors into loop ↵Craig Topper
since all 256-bit types are supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11MachineCSE: Hoist isConstantPhysReg out of the loop, it checks for overlaps ↵Benjamin Kramer
already. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161729 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11PR13578: Teach MachineCSE that instructions that use a constant register can ↵Benjamin Kramer
be CSE'd safely. This is common e.g. when doing rip-relative addressing on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161728 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11Tidy up indentation. No functional change.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161727 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11Fix a cast that was casting away 'const' unnecessarily Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161726 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-11Add a couple default: llvm_unreachable() to some switch statements. Fix a ↵Craig Topper
bad message in an existing llvm_unreachable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161725 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10X86: when we are auto-detecting the subtarget features, make sure we turn onManman Ren
FeatureFastUAMem for Nehalem, Westmere and Sandy Bridge. FeatureFastUAMem is already on if we pass in nehalem or westmere as a command argument. rdar: 7252306 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161717 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Add a proper if-conversion cost model.Jakob Stoklund Olesen
Detect when there is not enough available ILP, so if-conversion can't speculate instructions for free. Compute the lengthening of the critical path when inserting a select instruction that depends on the condition as well as both sides of the if. Reject conversions that would stretch the critical path by more than half a mispredict penalty. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161713 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Give MachineTraceMetrics its own debug tag.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161712 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Add more trace query functions.Jakob Stoklund Olesen
Trace::getResourceLength() computes the number of cycles required to execute the trace when ignoring data dependencies. The number can be compared to the critical path to estimate the trace ILP. Trace::getPHIDepth() computes the data dependency depth of a PHI in a trace successor that isn't necessarily part of the trace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161711 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10The normal edge of an invoke is not allowed to branch to a block with aEli Friedman
landingpad. Enforce it in the verifier, and fix the regression tests to match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161697 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10ARM: enable struct byval for AAPCS.Manman Ren
This change is to be enabled in clang. rdar://9877866 PR://13350 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161693 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Add getTPred() and getFPred() functions.Jakob Stoklund Olesen
They identify the PHI predecessors in both diamonds and triangles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Include loop-carried dependencies when computing instr heights.Jakob Stoklund Olesen
When a trace ends with a back-edge, include PHIs in the loop header in the height computations. This makes the critical path through a loop more accurate by including the latencies of the last instructions in the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161688 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10add X86-specific DAG optimization to simplify boolean testMichael Liao
- if a boolean test (X86ISD::CMP or X86ISD:SUB) checks a boolean value generated from X86ISD::SETCC, try to simplify the boolean value generation and checking by reusing the original EFLAGS with proper condition code - add hooks to X86 specific SETCC/BRCOND/CMOV, the major 3 places consuming EFLAGS part of patches fixing PR12312 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161687 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Constify some basic blocks, no functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161668 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10remove tailing whitespaces and test commitMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Move BasicBlockEdge to the cpp file. No functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161663 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10stdcxx's cstdio doesn't include stdio.h, but the code using PathV2.incJoerg Sonnenberger
includes both. Deal with feof and ferror potentially being macros. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161658 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Add some missing includes for the build against stdcxx.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161657 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Fix crash when when do lto on Bullet. Dynamic GEPs in SROA were incorrectly ↵Pete Cooper
being applied to all accesses to an alloca, not just the ones which read from the GEP. Thanks to Evan for reducing the test. rdar://11861001 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161654 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Update edge weights correctly in replaceSuccessor().Jakob Stoklund Olesen
When replacing Old with New, it can happen that New is already a successor. Add the old and new edge weights instead of creating a duplicate edge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Remove references to compression in llvm-ar. It has been a long time since weRafael Espindola
switched from a bytecode+bzip2 to the current bitcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Reapply r161633-161634 "Partition use lists so defs always come before uses.""Jakob Stoklund Olesen
No changes to these patches, MRI needed to be notified when changing uses into defs and vice versa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161644 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Also update MRI use lists when changing a use to a def and vice versa.Jakob Stoklund Olesen
This was the cause of the buildbot failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161643 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10[ms-inline asm] Add a new Inline Asm Non-Standard Dialect attribute.Chad Rosier
This new attribute is intended to be used by the backend to determine how the inline asm string should be parsed/printed. This patch adds the ia_nsdialect attribute and also adds a test case to ensure the IR is correctly parsed, but there is no functional change at this time. The standard dialect is assumed to be AT&T. Therefore, this attribute should only be added to MS-style inline assembly statements, which use the Intel dialect. If we ever support more dialects we'll need to add additional state to the attribute. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161641 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Revert r161633-161634 "Partition use lists so defs always come before uses."Jakob Stoklund Olesen
These commits broke a number of buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Partition use lists so defs always come before uses.Jakob Stoklund Olesen
This makes it possible to speed up def_iterator by stopping at the first use. This makes def_empty() and getUniqueVRegDef() much faster when there are many uses. In a +Asserts build, LiveVariables is 100x faster in one case because getVRegDef() has an assertion that would scan to the end of a def_iterator chain. Spill weight calculation is significantly faster (300x in one case) because isTriviallyReMaterializable() calls MRI->isConstantPhysReg(%RIP) which calls def_empty(%RIP). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161634 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Don't use pointer-pointers for the register use lists.Jakob Stoklund Olesen
Use a more conventional doubly linked list where the Prev pointers form a cycle. This means it is no longer necessary to adjust the Prev pointers when reallocating the VRegInfo array. The test changes are required because the register allocation hint is using the use-list order to break ties. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161633 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Move use list management into MachineRegisterInfo.Jakob Stoklund Olesen
Register MachineOperands are kept in linked lists accessible via MRI's reg_iterator interfaces. The linked list management was handled partly by MachineOperand methods, partly by MRI methods. Move all of the list management into MRI, delete MO::AddRegOperandToRegInfo() and MO::RemoveRegOperandFromRegInfo(). Be more explicit about handling the cases where an MRI pointer isn't available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161632 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Remove getARMRegisterNumbering and replace with calls intoEric Christopher
the register info for getEncodingValue. This builds on the small patch of yesterday to set HWEncoding in the register file. One (deprecated) use was turned into a hard number to avoid needing register info in the old JIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161628 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Fix a future TwoAddressInstructionPass crash.Jakob Stoklund Olesen
No test case, the crash only happens when the default use list order is changed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161627 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Don't modify MO while use_iterator is still pointing to it.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09[ms-inline asm] Extend the MC AsmParser API to match MCInsts (but not emit).Chad Rosier
This new API will be used by clang to parse ms-style inline asms. One goal of this project is to use this style of inline asm for targets other then x86. Therefore, this API needs to be implemented for non-x86 targets at some point in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161624 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Another 32 to 64 bit sign extension bug.Jack Carter
The fields in the td definition were switched. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Patch to implement UMLAL/SMLAL instructions for the ARM architectureArnold Schwaighofer
This patch corrects the definition of umlal/smlal instructions and adds support for matching them to the ARM dag combiner. Bug 12213 Patch by Yin Ma! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161581 91177308-0d34-0410-b5e6-96231b3b80d8
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