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* Finish implementing a readme entry: when inserting an i64 variableChris Lattner2008-03-093-43/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | into a vector of zeros or undef, and when the top part is obviously zero, we can just use movd + shuffle. This allows us to compile vec_set-B.ll into: _test3: movl $1234567, %eax andl 4(%esp), %eax movd %eax, %xmm0 ret instead of: _test3: subl $28, %esp movl $1234567, %eax andl 32(%esp), %eax movl %eax, (%esp) movl $0, 4(%esp) movq (%esp), %xmm0 addl $28, %esp ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48090 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the block cloner which fixes bugpoint on code using unwind_to (phew!)Nick Lewycky2008-03-097-16/+45
| | | | | | | and also update the cloning interface's major user, the loop optimizations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48088 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the inliner and simplifycfg to handle unwind_to.Nick Lewycky2008-03-094-1/+70
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48086 91177308-0d34-0410-b5e6-96231b3b80d8
* Two things. Preserve the unwind_to when splitting a BB.Nick Lewycky2008-03-093-7/+19
| | | | | | | | Add the ability to remove just one instance of a BB from a phi node. This fixes the compile error in the tree now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48085 91177308-0d34-0410-b5e6-96231b3b80d8
* Prune the unwind_to labels on BBs that don't need them. Another step in theNick Lewycky2008-03-092-3/+31
| | | | | | | removal of invoke, PR1269. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48084 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2008-03-091-0/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48064 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement a readme entry, compilingChris Lattner2008-03-093-26/+57
| | | | | | | | | | | | | | | | #include <xmmintrin.h> __m128i doload64(short x) {return _mm_set_epi16(0,0,0,0,0,0,0,1);} into: movl $1, %eax movd %eax, %xmm0 ret instead of a constant pool load. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48063 91177308-0d34-0410-b5e6-96231b3b80d8
* upgrade this testChris Lattner2008-03-091-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48062 91177308-0d34-0410-b5e6-96231b3b80d8
* make this test harderChris Lattner2008-03-091-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48061 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix two problems in SelectionDAGLegalize::ExpandBUILD_VECTOR's handlingChris Lattner2008-03-091-21/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of BUILD_VECTORS that only have two unique elements: 1. The previous code was nondeterminstic, because it walked a map in SDOperand order, which isn't determinstic. 2. The previous code didn't handle the case when one element was undef very well. Now we ensure that the generated shuffle mask has the undef vector on the RHS (instead of potentially being on the LHS) and that any elements that refer to it are themselves undef. This allows us to compile CodeGen/X86/vec_set-9.ll into: _test3: movd %rdi, %xmm0 punpcklqdq %xmm0, %xmm0 ret instead of: _test3: movd %rdi, %xmm1 #IMPLICIT_DEF %xmm0 punpcklqdq %xmm1, %xmm0 ret ... saving a register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48060 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach SD some vector identities, allowing us to compile vec_set-9 into:Chris Lattner2008-03-082-1/+21
| | | | | | | | | | | | | | | | | | | | | | | _test3: movd %rdi, %xmm1 #IMPLICIT_DEF %xmm0 punpcklqdq %xmm1, %xmm0 ret instead of: _test3: #IMPLICIT_DEF %rax movd %rax, %xmm0 movd %rdi, %xmm1 punpcklqdq %xmm1, %xmm0 ret This is still not ideal. There is no reason to two xmm regs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48058 91177308-0d34-0410-b5e6-96231b3b80d8
* 1) Improve comments.Chris Lattner2008-03-081-1/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | 2) Don't try to insert an i64 value into the low part of a vector with movq on an x86-32 target. This allows us to compile: __m128i doload64(short x) {return _mm_set_epi16(0,0,0,0,0,0,0,1);} into: _doload64: movaps LCPI1_0, %xmm0 ret instead of: _doload64: subl $28, %esp movl $0, 4(%esp) movl $1, (%esp) movq (%esp), %xmm0 addl $28, %esp ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48057 91177308-0d34-0410-b5e6-96231b3b80d8
* minor simplifications to this code, don't create a deadChris Lattner2008-03-081-6/+10
| | | | | | | | SCALAR_TO_VECTOR on paths that end up not using it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48056 91177308-0d34-0410-b5e6-96231b3b80d8
* This one looks easy, add a note.Chris Lattner2008-03-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48055 91177308-0d34-0410-b5e6-96231b3b80d8
* move these to the appropriate fileChris Lattner2008-03-082-53/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48054 91177308-0d34-0410-b5e6-96231b3b80d8
* Not all users of a BB are Instructions any more.Nick Lewycky2008-03-082-6/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48047 91177308-0d34-0410-b5e6-96231b3b80d8
* Load the symbols first so that the interpreter constructor can find them whenNick Lewycky2008-03-081-9/+5
| | | | | | | it tries to initialize them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48046 91177308-0d34-0410-b5e6-96231b3b80d8
* much simpler test caseAndrew Lenharth2008-03-082-442/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48045 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused runPass methods.Dan Gohman2008-03-082-29/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48044 91177308-0d34-0410-b5e6-96231b3b80d8
* More ppc32 byval handling (bug fixes). ThingsDale Johannesen2008-03-081-3/+23
| | | | | | | | are looking pretty good now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48043 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} ↵Evan Cheng2008-03-0815-17/+84
| | | | | | and prefetchnta instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48042 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for calls with i128 return values on ppc64.Dan Gohman2008-03-082-3/+49
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48041 91177308-0d34-0410-b5e6-96231b3b80d8
* Something that kills a super-register alsoBill Wendling2008-03-071-2/+1
| | | | | | | kills the sub-register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48038 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo. It's causing consumer-typeset to miscompile. Perhaps more.Evan Cheng2008-03-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48035 91177308-0d34-0410-b5e6-96231b3b80d8
* There is no killUse.Dan Gohman2008-03-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48034 91177308-0d34-0410-b5e6-96231b3b80d8
* add dropped section test case for PR2123Andrew Lenharth2008-03-072-0/+460
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48033 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new sretpromotion pass.Devang Patel2008-03-071-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48032 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC64 passes arguments of integral type in i64 registers, not i32. Reflect thisBill Wendling2008-03-071-26/+43
| | | | | | | | by promoting smaller integral values (i32 at this point) to i64, then truncating to get the wanted size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48030 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for lowering 128-bit shifts on ppc64.Dan Gohman2008-03-072-44/+74
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48029 91177308-0d34-0410-b5e6-96231b3b80d8
* Next bits of PPC byval handling. Basically functionalDale Johannesen2008-03-071-7/+73
| | | | | | | | but there are bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48028 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for ppc64 shifts with 7-bit (oversized) shift amount (e.g. PPCshl).Chris Lattner2008-03-072-6/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48027 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace SDT_PPCShiftOp in favor of SDTIntBinOps. This allows it to workChris Lattner2008-03-071-6/+3
| | | | | | | with 32 or 64-bit operands/results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48026 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a register scavenger bug. If a def is re-defining part of a super ↵Evan Cheng2008-03-072-3/+28
| | | | | | register, there must be an implicit def of the super-register on the MI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48024 91177308-0d34-0410-b5e6-96231b3b80d8
* only extract main if the user didn't specify anything to extractAndrew Lenharth2008-03-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48023 91177308-0d34-0410-b5e6-96231b3b80d8
* RetVal is not used when there are more then one return operands.Devang Patel2008-03-071-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48022 91177308-0d34-0410-b5e6-96231b3b80d8
* make error message reflect default search function nameAndrew Lenharth2008-03-071-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48021 91177308-0d34-0410-b5e6-96231b3b80d8
* Update inliner to handle functions that return multiple values.Devang Patel2008-03-073-43/+144
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48020 91177308-0d34-0410-b5e6-96231b3b80d8
* fix 80 col violationsChris Lattner2008-03-072-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48019 91177308-0d34-0410-b5e6-96231b3b80d8
* Place for sret promotion tests.Devang Patel2008-03-071-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48016 91177308-0d34-0410-b5e6-96231b3b80d8
* add a pass that can extract all kinds of global values, not just functions. ↵Andrew Lenharth2008-03-073-7/+206
| | | | | | Update llvm-extract to use it and optionally extract a global variable if you want it too git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48015 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup some comments in the OCaml bindings.Gordon Henriksen2008-03-074-11/+17
| | | | | | Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48014 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo. 'make clean' in bindings/ocaml would leave an output.Gordon Henriksen2008-03-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48012 91177308-0d34-0410-b5e6-96231b3b80d8
* Clarify some important bitsAnton Korobeynikov2008-03-071-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48010 91177308-0d34-0410-b5e6-96231b3b80d8
* Small cleanup: propagate thread-localness via generic routine.Anton Korobeynikov2008-03-071-7/+10
| | | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48009 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate.Gordon Henriksen2008-03-071-30/+45
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48008 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer to use ocamlc.opt to ocamlc and soforth.Gordon Henriksen2008-03-071-3/+3
| | | | | | | | These natively compiled versions are faster. Patch by Erick Tryzelaar! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48007 91177308-0d34-0410-b5e6-96231b3b80d8
* mark frem as expand for all legal fp types on x86, regardless of whetherChris Lattner2008-03-072-3/+9
| | | | | | | we're using SSE or not. This fixes PR2122. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48006 91177308-0d34-0410-b5e6-96231b3b80d8
* Add testcase.Bill Wendling2008-03-061-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48005 91177308-0d34-0410-b5e6-96231b3b80d8
* When setting the "unused" info, take into account something like this:Bill Wendling2008-03-062-9/+39
| | | | | | | | | %r3<def> = OR %x3<kill>, %x3 We don't want to mark the %r3 as unused even though it's a sub-register of %x3. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48003 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 col violation.Evan Cheng2008-03-061-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47998 91177308-0d34-0410-b5e6-96231b3b80d8
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