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* Converted a1.ll to unittests.Misha Brukman2009-03-242-44/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67652 91177308-0d34-0410-b5e6-96231b3b80d8
* canonicalize inttoptr and ptrtoint instructions which cast pointers Chris Lattner2009-03-241-0/+16
| | | | | | | | | to/from integer types that are not intptr_t to convert to intptr_t then do an integer conversion to the dest type. This exposes the cast to the optimizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67638 91177308-0d34-0410-b5e6-96231b3b80d8
* two changes:Chris Lattner2009-03-241-0/+7
| | | | | | | | | | | | 1. Make instcombine always canonicalize trunc x to i1 into an icmp(x&1). This exposes the AND to other instcombine xforms and is more of what the code generator expects. 2. Rewrite the remaining trunc pattern match to use 'match', which simplifies it a lot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67635 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase for the scheduling heuristic introduced in r67586.Dan Gohman2009-03-241-0/+242
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67622 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not emit comments unless -asm-verbose.Evan Cheng2009-03-245-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67580 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in spill weight computation. If the alias is a super-register, and ↵Evan Cheng2009-03-231-0/+23
| | | | | | | | | | | | the super-register is in the register class we are trying to allocate. Then add the weight to all sub-registers of the super-register even if they are not aliases. e.g. allocating for GR32, bh is not used, updating bl spill weight. bl should get the same spill weight otherwise it will be choosen as a spill candidate since spilling bh doesn't make ebx available. This fix PR2866. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67574 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix internal representation of fp80 to be theDale Johannesen2009-03-231-0/+14
| | | | | | | | | | | | same as a normal i80 {low64, high16} rather than its own {high64, low16}. A depressing number of places know about this; I think I got them all. Bitcode readers and writers convert back to the old form to avoid breaking compatibility. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67562 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test for pr3864.Evan Cheng2009-03-231-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67545 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3391 and PR3864. Reg allocator infinite looping.Evan Cheng2009-03-231-0/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67544 91177308-0d34-0410-b5e6-96231b3b80d8
* Model inline asm constraint which ties an input to an output register as ↵Evan Cheng2009-03-234-5/+15
| | | | | | machine operand TIED_TO constraint. This eliminated the need to pre-allocate registers for these. This also allows register allocator can eliminate the unneeded copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67512 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not fold away subreg_to_reg if the source register has a sub-register ↵Evan Cheng2009-03-231-0/+25
| | | | | | | | | | | index. That means the source register is taking a sub-register of a larger register. e.g. On x86 %RAX<def> = ... %RAX<def> = SUBREG_TO_REG 0, %EAX:3<kill>, 3 The first def is defining RAX, not EAX so the top bits were not zero-extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67511 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-commit r67334 and r67349 with fix.Evan Cheng2009-03-214-9/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67451 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix instcombine to not introduce undefined shifts when merging twoChris Lattner2009-03-201-0/+9
| | | | | | | | shifts together. This fixes PR3851. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67411 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't load values out of global constants with weakDuncan Sands2009-03-202-0/+50
| | | | | | | | | | linkage: the value may be replaced with something different at link time. (Frontends that want to allow values to be loaded out of weak constants can give their constants weak_odr linkage). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67407 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r67334 and r37349 which break "make check" on Linux.Nick Lewycky2009-03-204-15/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67368 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo's.Evan Cheng2009-03-202-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67349 91177308-0d34-0410-b5e6-96231b3b80d8
* More makefile changes to allow dejagnu tests to pass when system tools ↵Evan Cheng2009-03-194-9/+15
| | | | | | default to a different target from the llvm configuration (e.g. 64-bit gcc and 32-bit llvm). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67334 91177308-0d34-0410-b5e6-96231b3b80d8
* These tests are now passing on Darwin because of r67139.Bill Wendling2009-03-183-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67215 91177308-0d34-0410-b5e6-96231b3b80d8
* aha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka ↵Chris Lattner2009-03-181-0/+11
| | | | | | | | | Duncan) for pointing this out :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67212 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3826 - InstComb assert with vector shift, by not calling ↵Chris Lattner2009-03-181-0/+11
| | | | | | ComputeNumSignBits on a vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67211 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -relocation-model=pic so that the test worksRafael Espindola2009-03-181-2/+2
| | | | | | | | both in Linux and Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67191 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug.Zhou Sheng2009-03-181-0/+3961
| | | | | | | If I->use_empty(), this method should return false. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67180 91177308-0d34-0410-b5e6-96231b3b80d8
* Added missing support for widening when splitting an unary op (PR3683)Mon P Wang2009-03-181-0/+18
| | | | | | | | and expanding a bit convert (PR3711). In both cases, we extract the valid part of the widen vector and then do the conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67175 91177308-0d34-0410-b5e6-96231b3b80d8
* Add another test case for r64440.Evan Cheng2009-03-181-0/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67156 91177308-0d34-0410-b5e6-96231b3b80d8
* xfail these tests for now.Evan Cheng2009-03-183-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67143 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable the "call to immediate" optimization on x86-64. It isChris Lattner2009-03-181-3/+7
| | | | | | | | | | | | | not safe in general because the immediate could be an arbitrary value that does not fit in a 32-bit pcrel displacement. Conservatively fall back to loading the value into a register and calling through it. We still do the optzn on X86-32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67142 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3807 by inserting 'insertelement' instructions in the normal dest of Chris Lattner2009-03-181-0/+15
| | | | | | | an invoke instead of after the invoke (in its block), which is invalid. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67139 91177308-0d34-0410-b5e6-96231b3b80d8
* A more proper -mtriple.Bill Wendling2009-03-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67138 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporary fix. I think Rafael wanted this to be Linux-only.Bill Wendling2009-03-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67137 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR shouldn't ever try to hack on integer IV's larger than 64-bits. Right nowChris Lattner2009-03-171-0/+92
| | | | | | | | | | it is not APInt clean, but even when it is it needs to be evaluated carefully to determine whether it is actually profitable. This fixes a crash on PR3806 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67134 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't force promotion of return arguments on the callee.Rafael Espindola2009-03-1716-29/+37
| | | | | | | | | Some architectures (like x86) don't require it. This fixes bug 3779. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67132 91177308-0d34-0410-b5e6-96231b3b80d8
* this is apparently passing now. Evan/Dan, please checkChris Lattner2009-03-171-1/+0
| | | | | | | | to see if this is producing the expected code or not, I'm not sure what the test was intended to check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67099 91177308-0d34-0410-b5e6-96231b3b80d8
* test case for rev. 67095.Devang Patel2009-03-171-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67096 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix codegen to compute the size of an allocation by multiplying theChris Lattner2009-03-171-0/+10
| | | | | | | | | | | | size by the array amount as an i32 value instead of promoting from i32 to i64 then doing the multiply. Not doing this broke wrap-around assumptions that the optimizers (validly) made. The ultimate real fix for this is to introduce i64 version of alloca and remove mallocinst. This fixes PR3829 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67093 91177308-0d34-0410-b5e6-96231b3b80d8
* Add newline at end of file.Evan Cheng2009-03-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67085 91177308-0d34-0410-b5e6-96231b3b80d8
* CellSPU:Scott Michel2009-03-171-1/+1
| | | | | | | Revert inadvertent mis-fix of fneg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67084 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r67049, with the test adjusted for darwinDuncan Sands2009-03-172-32/+44
| | | | | | | (which produces "call L_f$stub" rather than "call f"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67079 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a problem with DAGCombine where we were building an illegal buildMon P Wang2009-03-171-0/+13
| | | | | | | | | vector shuffle mask. Forced the mask to be built using i32. Note: this will be irrelevant once vector_shuffle no longer takes a build vector for the shuffle mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67076 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize bswapl as bswap too.Dan Gohman2009-03-171-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67072 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize "bswapq" as an alternate spelling for the bswap instruction.Dan Gohman2009-03-171-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67071 91177308-0d34-0410-b5e6-96231b3b80d8
* Spiller may unfold load / mod / store instructions as an optimization when ↵Evan Cheng2009-03-171-0/+167
| | | | | | the would be loaded value is available in a register. It needs to check if it's legal to clobber the register. Also, the register can contain values of multiple spill slots, make sure to check all instead of just the one being unfolded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67068 91177308-0d34-0410-b5e6-96231b3b80d8
* CellSPU:Scott Michel2009-03-172-9/+7
| | | | | | | | | | | | | | - Fix fabs, fneg for f32 and f64. - Use BuildVectorSDNode.isConstantSplat, now that the functionality exists - Continue to improve i64 constant lowering. Lower certain special constants to the constant pool when they correspond to SPU's shufb instruction's special mask values. This avoids the overhead of performing a shuffle on a zero-filled vector just to get the special constant when the memory load suffices. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67067 91177308-0d34-0410-b5e6-96231b3b80d8
* --- Reverse-merging (from foreign repository) r67049 into '.':Bill Wendling2009-03-162-44/+32
| | | | | | | | | | | | | | | | | U test/CodeGen/X86/2009-03-13-PHIElimBug.ll D test/CodeGen/X86/2009-03-16-PHIElimInLPad.ll U lib/CodeGen/PHIElimination.cpp r67049 was causing this failure: Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/X86/dg.exp ... FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/X86/2009-03-13-PHIElimBug.ll for PR3784 Failed with exit(1) at line 1 while running: llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/X86/2009-03-13-PHIElimBug.ll | llc -march=x86 | /usr/bin/grep -A 2 {call f} | /usr/bin/grep movl child process exited abnormally git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67051 91177308-0d34-0410-b5e6-96231b3b80d8
* Tweak the fix for PR3784: be less sensitive about justDuncan Sands2009-03-162-32/+44
| | | | | | | | | | | | | | | | | | | how invokes are set up. The fix could be disturbed by register copies coming after the EH_LABEL, and also didn't behave quite right when it was the invoke result that was used in a phi node. Also (see new testcase) fix another phi elimination bug while there: register copies in the landing pad need to come after the EH_LABEL, because that's where execution branches to when unwinding. If they come before the EH_LABEL then they will never be executed... Also tweak the original testcase so it doesn't use a no-longer existing counter. The accumulated phi elimination changes fix two of seven Ada testsuite failures that turned up after landing pad critical edge splitting was turned off. So there's probably more to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67049 91177308-0d34-0410-b5e6-96231b3b80d8
* CellSPU:Scott Michel2009-03-161-51/+69
| | | | | | | | Incorporate Tilmann's 128-bit operation patch. Evidently, it gets the llvm-gcc bootstrap a bit further along. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67048 91177308-0d34-0410-b5e6-96231b3b80d8
* change this to test for an alias result more directly.Chris Lattner2009-03-161-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67046 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a replacement for 2009-02-12-GEPNoalias.ll that works without -debug.Nick Lewycky2009-03-141-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67011 91177308-0d34-0410-b5e6-96231b3b80d8
* Apply a patch by Micah Villmow to fix AsmParser to accept vectorDan Gohman2009-03-141-3/+14
| | | | | | | | shift constant expressions, and add support for folding vector shift constant expressions. This fixes PR3802. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67010 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase that covers a wide variety of ABI isel cases.Dan Gohman2009-03-141-0/+1322
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67003 91177308-0d34-0410-b5e6-96231b3b80d8
* Use %rip-relative addressing on x86-64 whenever practical, asDan Gohman2009-03-141-0/+7
| | | | | | | it has a smaller encoding than absolute addressing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67002 91177308-0d34-0410-b5e6-96231b3b80d8
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