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2009-03-24Do not emit comments unless -asm-verbose.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67580 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-23Fix a bug in spill weight computation. If the alias is a super-register, and ↵Evan Cheng
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
2009-03-23Fix internal representation of fp80 to be theDale Johannesen
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
2009-03-23Update test for pr3864.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67545 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-23Fix PR3391 and PR3864. Reg allocator infinite looping.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67544 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-23Model inline asm constraint which ties an input to an output register as ↵Evan Cheng
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
2009-03-23Do not fold away subreg_to_reg if the source register has a sub-register ↵Evan Cheng
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
2009-03-21Re-commit r67334 and r67349 with fix.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67451 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-20Fix instcombine to not introduce undefined shifts when merging twoChris Lattner
shifts together. This fixes PR3851. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67411 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-20Don't load values out of global constants with weakDuncan Sands
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
2009-03-20Revert r67334 and r37349 which break "make check" on Linux.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67368 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-20Fix typo's.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67349 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-19More makefile changes to allow dejagnu tests to pass when system tools ↵Evan Cheng
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
2009-03-18These tests are now passing on Darwin because of r67139.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67215 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18aha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka ↵Chris Lattner
Duncan) for pointing this out :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67212 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18Fix PR3826 - InstComb assert with vector shift, by not calling ↵Chris Lattner
ComputeNumSignBits on a vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67211 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18Add -relocation-model=pic so that the test worksRafael Espindola
both in Linux and Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67191 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18Fix a bug.Zhou Sheng
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
2009-03-18Added missing support for widening when splitting an unary op (PR3683)Mon P Wang
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
2009-03-18Add another test case for r64440.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67156 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18xfail these tests for now.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67143 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18Disable the "call to immediate" optimization on x86-64. It isChris Lattner
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
2009-03-18Fix PR3807 by inserting 'insertelement' instructions in the normal dest of Chris Lattner
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
2009-03-18A more proper -mtriple.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67138 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18Temporary fix. I think Rafael wanted this to be Linux-only.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67137 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17LSR shouldn't ever try to hack on integer IV's larger than 64-bits. Right nowChris Lattner
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
2009-03-17Don't force promotion of return arguments on the callee.Rafael Espindola
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
2009-03-17this is apparently passing now. Evan/Dan, please checkChris Lattner
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
2009-03-17test case for rev. 67095.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17Fix codegen to compute the size of an allocation by multiplying theChris Lattner
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
2009-03-17Add newline at end of file.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67085 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17CellSPU:Scott Michel
Revert inadvertent mis-fix of fneg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17Reapply r67049, with the test adjusted for darwinDuncan Sands
(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
2009-03-17Fix a problem with DAGCombine where we were building an illegal buildMon P Wang
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
2009-03-17Recognize bswapl as bswap too.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67072 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17Recognize "bswapq" as an alternate spelling for the bswap instruction.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17Spiller may unfold load / mod / store instructions as an optimization when ↵Evan Cheng
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
2009-03-17CellSPU:Scott Michel
- 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
2009-03-16--- Reverse-merging (from foreign repository) r67049 into '.':Bill Wendling
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
2009-03-16Tweak the fix for PR3784: be less sensitive about justDuncan Sands
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
2009-03-16CellSPU:Scott Michel
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
2009-03-16change this to test for an alias result more directly.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67046 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-14Add a replacement for 2009-02-12-GEPNoalias.ll that works without -debug.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-14Apply a patch by Micah Villmow to fix AsmParser to accept vectorDan Gohman
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
2009-03-14Add a testcase that covers a wide variety of ABI isel cases.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-14Use %rip-relative addressing on x86-64 whenever practical, asDan Gohman
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
2009-03-13Add a few more ptrtoint/inttoptr cast tests.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66989 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-13Improve FastISel's handling of truncates to i1, and implementDan Gohman
ptrtoint and inttoptr in X86FastISel. These casts aren't always handled in the generic FastISel code because X86 sometimes needs custom code to do truncation and zero-extension. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-13Fix PR3784: If the source of a phi comes from a bb ended with an invoke, ↵Evan Cheng
make sure the copy is inserted before the try range (unless it's used as an input to the invoke, then insert it after the last use), not at the end of the bb. Also re-apply r66140 which was disabled as a workaround. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66976 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-13Fix test case. Now, llvm-gcc emits debug info for artificiaal variable ↵Devang Patel
_comp_ctor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66963 91177308-0d34-0410-b5e6-96231b3b80d8
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