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2012-04-04Implement ARMBaseInstrInfo::commuteInstruction() for MOVCCr.Jakob Stoklund Olesen
A MOVCCr instruction can be commuted by inverting the condition. This can help reduce register pressure and remove unnecessary copies in some cases. <rdar://problem/11182914> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154033 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04Remove spurious debug output.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154032 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04Fix LowerBlockAddress to produce instructions with the correct relocationAkira Hatanaka
types for N32 ABI and update test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04Always compute all the bits in ComputeMaskedBits.Rafael Espindola
This allows us to keep passing reduced masks to SimplifyDemandedBits, but know about all the bits if SimplifyDemandedBits fails. This allows instcombine to simplify cases like the one in the included testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04LoopUnrollPass: Use variable "Threshold" instead of "CurrentThreshold" whenHongbin Zheng
reducing unroll count, otherwise the reduced unroll count is not taking the "OptimizeForSize" attribute into account. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154007 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04Move yaml::Stream's dtor out of line so it can see Scanner's dtor.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04Remove default case from switch that was already covering all cases.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04Removed useless switch for default case when switch was covering all the ↵Pete Cooper
enum values git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Sorry about that. MSVC seems to accept just about any random string you give ↵Michael J. Spencer
it ;/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153979 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Add YAML parser to Support.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Add VSELECT to LegalizeVectorTypes::ScalariseVectorResult. Previously it ↵Pete Cooper
would crash if it encountered a 1 element VSELECT. Solution is slightly more complicated than just creating a SELET as we have to mask or sign extend the vector condition if it had different boolean contents from the scalar condition. Fixes <rdar://problem/11178095> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Removed one last bad continue statement meant to be removed in r153914.Pete Cooper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Fix an issue in SimplifySetCC() specific to vector comparisons.Chad Rosier
When folding X == X we need to check getBooleanContents() to determine if the result is a vector of ones or a vector of negative ones. I tried creating a test case, but the problem seems to only be exposed on a much older version of clang (around r144500). rdar://10923049 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153966 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Fix thinko check for number of operands to be the one that actuallyEric Christopher
might have more than 19 operands. Add a testcase to make sure I never screw that up again. Part of rdar://11026482 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153961 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03ARMDisassembler: drop bogus dependency on ARMCodeGenDylan Noblesmith
And indirectly, a dependency on most of the core LLVM optimization libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153957 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Object: drop bogus VMCore dependencyDylan Noblesmith
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153956 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03The speedup doesn't appear to have been from this, but was an anomaly of my ↵Bill Wendling
testing machine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153951 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Reserve space for the eventual filling of the vector. This gives a small ↵Bill Wendling
speedup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153949 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Make PPCCompilationCallbackC function to be static, so there will be no need ↵Anton Korobeynikov
to issue call via PLT when LLVM is built as shared library. This mimics the X86 backend towards the approach. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153938 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Add support for AVX enhanced comparison predicates. Patch from Kay Tiong Khoo.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Revert r153924. Delete test/MC/Disassembler/Mips and ↵Akira Hatanaka
lib/Target/Mips/Disassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153926 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Revert r153924. There were buildbot failures.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153925 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03MIPS disassembler support.Akira Hatanaka
Patch by Vladimir Medic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153924 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Add a line number for the scope of the function (starting at the firstEric Christopher
brace) so that we get more accurate line number information about the declaration of a given function and the line where the function first starts. Part of rdar://11026482 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Fixes to r153903. Added missing explanation of behaviour when the ↵Pete Cooper
VirtRegMap is NULL. Also changed it in this case to just avoid updating the map, but live ranges or intervals will still get updated and created git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153914 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Moved LiveRangeEdit.h so that it can be called from other parts of the ↵Pete Cooper
backend, not just libCodeGen git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153906 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Allocate virtual registers in ascending order.Jakob Stoklund Olesen
This is just the fallback tie-breaker ordering, the main allocation order is still descending size. Patch by Shamil Kurmangaleev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Refactored the LiveRangeEdit interface so that MachineFunction, ↵Pete Cooper
TargetInstrInfo, MachineRegisterInfo, LiveIntervals, and VirtRegMap are all passed into the constructor and stored as members instead of passed in to each method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Add an option to turn off the expensive GVN load PRE part of GVN.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Add predicates for checking whether targets have free FNEG and FABS ↵Owen Anderson
operations, and prevent the DAGCombiner from turning them into bitwise operations if they do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153901 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02During two-address lowering, rescheduling an instruction does not untieLang Hames
operands. Make TryInstructionTransform return false to reflect this. Fixes PR11861. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Initial 64 bit direct object support.Akira Hatanaka
This patch allows llvm to recognize that a 64 bit object file is being produced and that the subsequently generated ELF header has the correct information. The test case checks for both big and little endian flavors. Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153889 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02The binutils for the IBM BG/P are too old to support CFI.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Add triple support for the IBM BG/P and BG/Q supercomputers.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153882 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Turn on the accelerator tables for Darwin.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153880 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Fast fix for PR12343:Stepan Dyatkovskiy
http://llvm.org/bugs/show_bug.cgi?id=12343 We have not trivial way for splitting edges that are goes from indirect branch. We can do it with some tricks, but it should be additionally discussed. And it is still dangerous due to difficulty of indirect branches controlling. Fix forbids this case for unswitching. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153879 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Implement the SVR4 byval alignment for aggregates. Fixing a FIXME.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153876 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Move getOpcodeName from the various target InstPrinters into the superclass ↵Benjamin Kramer
MCInstPrinter. All implementations used the same code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153866 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Optimizing swizzles of complex shuffles may generate additional complex ↵Nadav Rotem
shuffles. Do not try to optimize swizzles of shuffles if the source shuffle has more than a single user, except when the source shuffle is also a swizzle. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153864 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Remove getInstructionName from MCInstPrinter implementations in favor of ↵Craig Topper
using the instruction name table from MCInstrInfo. Reduces static data in the InstPrinter implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153863 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Make MCInstrInfo available to the MCInstPrinter. This will be used to remove ↵Craig Topper
getInstructionName and the static data it contains since the same tables are already in MCInstrInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153860 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Fix some 80-col. violations I introduced with the A2 PPC64 core.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Enable prefetch generation on PPC64.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153851 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Add LdStSTD* itin. for the PPC64 A2 core.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01This commit contains a few changes that had to go in together.Nadav Rotem
1. Simplify xor/and/or (bitcast(A), bitcast(B)) -> bitcast(op (A,B)) (and also scalar_to_vector). 2. Xor/and/or are indifferent to the swizzle operation (shuffle of one src). Simplify xor/and/or (shuff(A), shuff(B)) -> shuff(op (A, B)) 3. Optimize swizzles of shuffles: shuff(shuff(x, y), undef) -> shuff(x, y). 4. Fix an X86ISelLowering optimization which was very bitcast-sensitive. Code which was previously compiled to this: movd (%rsi), %xmm0 movdqa .LCPI0_0(%rip), %xmm2 pshufb %xmm2, %xmm0 movd (%rdi), %xmm1 pshufb %xmm2, %xmm1 pxor %xmm0, %xmm1 pshufb .LCPI0_1(%rip), %xmm1 movd %xmm1, (%rdi) ret Now compiles to this: movl (%rsi), %eax xorl %eax, (%rdi) ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153848 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Fix typo.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Set the default PPC node scheduling preference to ILP (for the embedded cores).Hal Finkel
The 440 and A2 cores have detailed itineraries, and this allows them to be fully used to maximize throughput. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153845 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Add ppc440 itin. entries for LdStSTD*Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Use full anti-dep. breaking with post-ra sched. on the embedded ppc cores.Hal Finkel
Post-RA scheduling gives a significant performance improvement on the embedded cores, so turn it on. Using full anti-dep. breaking is important for FP-intensive blocks, so turn it on (just on the embedded cores for now; this should also be good on the 970s because post-ra scheduling is all that we have for now, but that should have more testing first). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Add instruction itinerary for the PPC64 A2 core.Hal Finkel
This adds a full itinerary for IBM's PPC64 A2 embedded core. These cores form the basis for the CPUs in the new IBM BG/Q supercomputer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153842 91177308-0d34-0410-b5e6-96231b3b80d8
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