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* Happy new year.Benjamin Kramer2011-06-123-6/+6
| | | | | | Only 163 days late! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132895 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the calculation of the vectorTypeBreakdown into registers. OddNadav Rotem2011-06-121-5/+17
| | | | | | | | types such as i33 were rounded to i32. Originated from Duncan's testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132893 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve the generated code by getCopyFromPartsVector for promoted integer types.Nadav Rotem2011-06-121-21/+20
| | | | | | | | | | | Instead of scalarizing, and doing an element-by-element truncat, use vector truncate. Add support for scalarization of vectors: i8 -> <1 x i1> (from Duncan's testcase). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132892 91177308-0d34-0410-b5e6-96231b3b80d8
* Bugfix: When looking for a legal vector type, stop looking when a non-simpleNadav Rotem2011-06-121-0/+1
| | | | | | | | | element type is found. This fix addresses some of the tests in Duncan's testcase (forthcoming). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132891 91177308-0d34-0410-b5e6-96231b3b80d8
* Tweak hash function and compress hash tables.Jakob Stoklund Olesen2011-06-122-29/+35
| | | | | | | | | | | | | | | | | Make the hash tables as small as possible while ensuring that all lookups can be done in less than 8 probes. Cut the aliases hash table in half by only storing a < b pairs - it is a symmetric relation. Use larger multipliers on the initial hash function to ensure that it properly covers the whole table, and to resolve some clustering in the very regular ARM register bank. This reduces the size of most of these tables by 4x - 8x. For instance, the ARM tables shrink from 48 KB to 8 KB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132888 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove now dead code.Jakob Stoklund Olesen2011-06-121-85/+0
| | | | | | These computations have been moved to CodeGenRegisters.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132887 91177308-0d34-0410-b5e6-96231b3b80d8
* Extract the generateHashTable function.Jakob Stoklund Olesen2011-06-121-144/+61
| | | | | | | | | | | The constant hash tables for sub-registers and overlaps are generated the same way, so extract a function to generate and print the hash table. Also use the information computed by CodeGenRegisters.cpp instead of the locally data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132886 91177308-0d34-0410-b5e6-96231b3b80d8
* Really fix the fall-through logic.Rafael Espindola2011-06-123-1/+26
| | | | | | Add a triple to the tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132885 91177308-0d34-0410-b5e6-96231b3b80d8
* Test for the previous commit.Rafael Espindola2011-06-121-0/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132884 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix silly bug I introduce in the previous commit. Fixes debug builds.Rafael Espindola2011-06-121-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132883 91177308-0d34-0410-b5e6-96231b3b80d8
* AnalyzeBranch doesn't change which successors a bb has, just the orderRafael Espindola2011-06-123-7/+13
| | | | | | | | | | | | | | | | | | we try to branch to them. Before we were creating successor lists with duplicated entries. Fixing that found a bug in isBlockOnlyReachableByFallthrough that would causes it to return the wrong answer for ----------- ... jne foo jmp bar foo: ---------- git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132882 91177308-0d34-0410-b5e6-96231b3b80d8
* Compute lists of sub-regs, super-regs, and overlapping regs.Jakob Stoklund Olesen2011-06-124-58/+165
| | | | | | | | | | | | | | | | | | | | | | | Besides moving structural computations to CodeGenRegisters.cpp, this also well-defines the order of these lists: - Sub-register lists come from a pre-order traversal of the graph defined by the SubRegs lists in the .td files. - Super-register lists are topologically ordered so no register comes before any of its sub-registers. When the sub-register graph is not a tree, independent super-registers appear in numerical order. - Lists of overlapping registers are ordered according to register number. This reverses the order of the super-regs lists, but nobody was depending on that. The previous order of the overlaps lists was odd, and it may have depended on the precise behavior of std::stable_sort. The old computations are still there, but will be removed shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132881 91177308-0d34-0410-b5e6-96231b3b80d8
* Put FrameSetup flag on x86 instructions that set up the call frame. NoCharles Davis2011-06-121-5/+13
| | | | | | | | | | functionality change. Later on, we'll use the flag to emit SEH pseudo-ops that describe how the call frame was built. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132880 91177308-0d34-0410-b5e6-96231b3b80d8
* Reformatting. Moving class definitions to more natural places. No ↵Bill Wendling2011-06-111-16/+15
| | | | | | functionalogical changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132876 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r132871.Chad Rosier2011-06-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132872 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo.Chad Rosier2011-06-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132871 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure to pass OpFlags into MachineInstrBuilder::addExternalSymbol; theEli Friedman2011-06-111-1/+1
| | | | | | | | | memcpy/memset symbol doesn't get marked up correctly in PIC modes otherwise. Should fix llvm-x86_64-linux-checks buildbot. Followup to r132864. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132869 91177308-0d34-0410-b5e6-96231b3b80d8
* Branch profiling: floating-point avoidance.Andrew Trick2011-06-115-62/+176
| | | | | | | | | | Patch by: Jakub Staszak! Introduces BranchProbability. Changes unsigned to uint32_t all over and uint64_t only when overflow is expected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132867 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the list of registers into CodeGenRegBank.Jakob Stoklund Olesen2011-06-115-207/+253
| | | | | | | Also move the sub-register index computations from RegisterInfoEmitter into CodeGenRegBank. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132865 91177308-0d34-0410-b5e6-96231b3b80d8
* Add full x86 fast-isel support for memcpy and memset.Eli Friedman2011-06-102-9/+74
| | | | | | | | rdar://9431466 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132864 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-col cleanups.Eric Christopher2011-06-101-6/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132863 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize BasicAA's AliasCache to set it to use fewer buckets byDan Gohman2011-06-101-1/+7
| | | | | | | | | default, since it usually has very few elements. This speeds up alias queries in many cases, because AliasCache.clear() doesn't have to visit as many buckets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132862 91177308-0d34-0410-b5e6-96231b3b80d8
* Install libprofile_rt.dylib where it's more available for gcov support.Bill Wendling2011-06-101-2/+2
| | | | | | | <rdar://problem/9583891> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132860 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed tabs. Also fixed my editor...Rafael Espindola2011-06-101-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132857 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide an ARMCCState subclass of CCState so that ARM clients will always setCameron Zwarich2011-06-102-18/+33
| | | | | | CallOrPrologue correctly and eliminate the existing setter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132856 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the ParmContext enum values to make a bit more sense and add a smallCameron Zwarich2011-06-102-2/+5
| | | | | | comment on their meaning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132854 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tabs.Cameron Zwarich2011-06-102-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132853 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a pointless const_cast.Cameron Zwarich2011-06-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132852 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove duplicated test.Rafael Espindola2011-06-101-4/+3
| | | | | | Thanks Bob Wilson for noticing it! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132851 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some sub-register index calculations to CodeGenRegisters.cppJakob Stoklund Olesen2011-06-105-40/+76
| | | | | | | Create a new CodeGenRegBank class that will eventually hold all the code that computes the register structure from Records. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132849 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix example code in comment.Richard Osborne2011-06-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132844 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -mattr=+sse2 to make the buildbots happy.Eli Friedman2011-06-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132839 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverted r132785. It seems this test needs more research.Galina Kistanova2011-06-101-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132836 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed condition.Galina Kistanova2011-06-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132834 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding a test case for revision 132825.Chad Rosier2011-06-101-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132830 91177308-0d34-0410-b5e6-96231b3b80d8
* PR10092 (second try): Don't crash on a load without a momoperand; fast-isel ↵Eli Friedman2011-06-101-1/+1
| | | | | | creates loads like this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132826 91177308-0d34-0410-b5e6-96231b3b80d8
* Ensure that EmitGlobalVariable is correctly differentiating between declarationsChad Rosier2011-06-101-1/+1
| | | | | | | | | and definitions when emitting global variables. This was causing global declarations to be emitted as if they were definitions. Fixes <rdar://problem/9429892>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132825 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a simple test which makes sure folding immediate float zero to a memory ↵Eli Friedman2011-06-101-0/+34
| | | | | | operand works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132824 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the optional verification step more strict.Rafael Espindola2011-06-091-1/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132822 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid a gcc warning about multiline comments.Rafael Espindola2011-06-091-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132821 91177308-0d34-0410-b5e6-96231b3b80d8
* On last fix to the early tail duplication.Rafael Espindola2011-06-091-4/+60
| | | | | | | | With this I am able to bootstrap clang with early tail duplication enabled for any small bb and setting tail-dup-size to a relatively large value(8) to stress this code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132816 91177308-0d34-0410-b5e6-96231b3b80d8
* Chris fixed this README a while back by changing how clang generates code ↵Eli Friedman2011-06-091-45/+0
| | | | | | for structs like the given struct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132815 91177308-0d34-0410-b5e6-96231b3b80d8
* Also consider phi nodes when deciding if a register is live out.Rafael Espindola2011-06-091-10/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132814 91177308-0d34-0410-b5e6-96231b3b80d8
* A CCState was being created without setting whether it is in the Call or ↵Cameron Zwarich2011-06-092-0/+40
| | | | | | | | | | | Prologue state, causing an assertion failure downstream. This fixes <rdar://problem/9562908>. This really seems like it should always be set at CCState creation time, so mistakes like this can never happen. I'll take a look at doing that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132811 91177308-0d34-0410-b5e6-96231b3b80d8
* Change this DAGCombine to build AND of SHR instead of SHR of AND; this ↵Eli Friedman2011-06-092-15/+27
| | | | | | | | | | matches the ordering we prefer in instcombine. Part of rdar://9562809. The potential DAGCombine which enforces this more generally messes up some other very fragile patterns, so I'm leaving that alone, at least for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132809 91177308-0d34-0410-b5e6-96231b3b80d8
* AnalyzeBranch modifies the bb, but we don't want to modify a bb withRafael Espindola2011-06-091-7/+6
| | | | | | eh edges. Swap the order of the checks to avoid it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132806 91177308-0d34-0410-b5e6-96231b3b80d8
* A PHI in this basic block is a use in another basic block.Rafael Espindola2011-06-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132805 91177308-0d34-0410-b5e6-96231b3b80d8
* When deleting a basic block, remove call edges only for non-intrinsics.John McCall2011-06-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132803 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix emission of PPC64 assembler on non-darwin platforms by splittingRoman Divacky2011-06-095-19/+24
| | | | | | | | | VK_PPC_{HA,LO}16 into darwin and gas variants. Darwin wants {ha,lo}16(symbol) while gnu as wants symbol@{ha,l}. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132802 91177308-0d34-0410-b5e6-96231b3b80d8
* Modify comment.Johnny Chen2011-06-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132800 91177308-0d34-0410-b5e6-96231b3b80d8
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