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1735 Commits

Author SHA1 Message Date
Dale Johannesen
62000eee7d Do not change the size of function arguments. PR 1489. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37496 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 21:07:15 +00:00
Duncan Sands
9fac0b5ff2 Additional fix for PR1422: make sure the landing pad label is placed in the 
correct machine basic block - do not rely on the eh.exception intrinsic
being in the landing pad: the loop optimizers can move it out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37463 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 10:05:18 +00:00
Dan Gohman
3983358555 Pass the DAG to SDNode::dump to let it do more detailed dumps in some cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37413 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 16:17:33 +00:00
Dan Gohman
575e2f4ea8 Resolve implicit alignment before computing the FoldingSet information so 
that the CSE map always contains explicit alignment information. This allows
more loads to be CSE'd when there is a mix of explicit-alignment loads and
implicit-alignment loads.

Also, in SelectionDAG::FindModifiedNodeSlot, add the operands to the
FoldingSetNodeID before the load/store information instead of after, so
that it matches what is done elsewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37411 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 15:49:41 +00:00
Duncan Sands
73ef58ab92 Integrate exception filter support and exception catch support. This 
simplifies the code in DwarfWriter, allows for multiple filters and
makes it trivial to specify filters accompanied by cleanups or catch-all
specifications (see next patch).  What a deal!  Patch blessed by Anton.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37398 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-02 16:53:42 +00:00
Duncan Sands
398898cc6a Since TypeInfos are passed as i8 pointers, a NULL TypeInfo should be passed 
as a null i8 pointer not as a 0 i32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37383 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 08:18:30 +00:00
Chris Lattner
4e7e6cd13a Fix CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll, and PR1473. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37362 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 16:30:06 +00:00
Chris Lattner
3adf951364 tighten up recursion depth again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37330 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 02:19:06 +00:00
Dan Gohman
fa73ea2d9f Minor comment cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:36:04 +00:00
Dan Gohman
237898ac1f Add explicit qualification for namespace MVT members. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:33:05 +00:00
Evan Cheng
c843abe868 Fix a typo that caused combiner to create mal-formed pre-indexed store where value store is the same as the base pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 02:35:39 +00:00
Anton Korobeynikov
070280e97f Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37311 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 11:08:31 +00:00
Chris Lattner
501fee71e0 prevent exponential recursion in isNegatibleForFree 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37310 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 07:35:22 +00:00
Chris Lattner
7667c0bac3 same patch as the previous one, but the symmetric case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 00:46:51 +00:00
Chris Lattner
2ad913b342 Disable the (A == (B-A)) -> 2*A == B xform when the sub has multiple uses (in 
this case, the xform introduces an extra operation).  This compiles
PowerPC/compare-duplicate.ll into:

_test:
        subf r2, r3, r4
        cmplw cr0, r2, r3
        bne cr0, LBB1_2 ;F

instead of:

_test:
        slwi r2, r3, 1
        subf r3, r3, r4
        cmplw cr0, r4, r2
        bne cr0, LBB1_2 ;F

This is target independent of course.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 00:43:44 +00:00
Dan Gohman
fcc4dd91e5 Qualify calls to getTypeForValueType with MVT:: too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37233 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 18:41:29 +00:00
Dan Gohman
b55757ec5f Qualify several calls to functions in the MVT namespace, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37230 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 17:52:13 +00:00
Chris Lattner
3fc5b01d38 disable MaskedValueIsZero, ComputeMaskedBits, and SimplifyDemandedBits for 
i128 integers.  The 64-bit masks are not wide enough to represent the results.
These should be converted to APInt someday.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37169 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 18:19:23 +00:00
Chris Lattner
b429f7303e add expand support for ADDC/SUBC/ADDE/SUBE so we can codegen 128-bit add/sub on 32-bit (or less) targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37168 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 18:15:41 +00:00
Evan Cheng
d60483ef99 Add target hook to specify block size limit for if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37134 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 23:45:53 +00:00
Dale Johannesen
98a6c62aff Don't fold bitconvert(load) for preinc/postdec loads. Likewise stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37130 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 22:45:30 +00:00
Chris Lattner
c76d4410ab Use a ptr set instead of a linear search to unique TokenFactor operands. 
This fixes PR1423


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37102 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 06:37:59 +00:00
Evan Cheng
93003b8cf2 Bug fix: should check ABI alignment, not pref. alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37094 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 02:04:50 +00:00
Lauro Ramos Venancio
b5bb7ffa9c Fix an infinite recursion in GetNegatedExpression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37086 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-15 17:05:43 +00:00
Chris Lattner
c90233b836 Fix some subtle issues handling immediate values. This fixes 
test/CodeGen/ARM/2007-05-14-InlineAsmCstCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37069 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-15 01:33:58 +00:00
Chris Lattner
2944652569 implement a simple fneg optimization/propagation thing. This compiles: 
CodeGen/PowerPC/fneg.ll into:

_t4:
        fmul f0, f3, f4
        fmadd f1, f1, f2, f0
        blr

instead of:

_t4:
        fneg f0, f3
        fmul f0, f0, f4
        fmsub f1, f1, f2, f0
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37054 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-14 22:04:50 +00:00
Evan Cheng
2c4f94363a Can't fold the bit_convert is the store is a truncating store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36962 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-09 21:49:47 +00:00
Anton Korobeynikov
7294b58ecd Do not assert, when case range split metric is zero and JTs are not allowed: just emit binary tree in this case. This 
fixes PR1403.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36959 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-09 20:07:08 +00:00
Evan Cheng
c2cd2b29f5 Forgot a check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36910 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-07 21:36:06 +00:00
Evan Cheng
59d5b68dff Enable a couple of xforms: 
- (store (bitconvert v)) -> (store v) if resultant store does not require
higher alignment
- (bitconvert (load v)) -> (load (bitconvert*)v) if resultant load does not
require higher alignment


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36908 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-07 21:27:48 +00:00
Duncan Sands
4fee7034d5 Parameter attributes on invoke calls were being lost due to the wrong 
attribute index being used.  Fix proposed by Anton Korobeynikov, who
asked me to implement and commit it for him.  This is PR1398.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36906 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-07 20:49:28 +00:00
Anton Korobeynikov
b682448ebd Detabify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36891 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 20:14:21 +00:00
Chris Lattner
b464c44679 Propagate alignment/volatility in two places. 
Implement support for expanding a bitcast from an illegal vector type to
a legal one (e.g. 4xi32 -> 4xf32 in SSE1).  This fixes PR1371 and
CodeGen/X86/2007-05-05-VecCastExpand.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36787 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-05 19:39:05 +00:00
Duncan Sands
3b346368de A bitcast of a global variable may have been constant folded to a GEP - 
handle this case too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-04 17:12:26 +00:00
Evan Cheng
a7d4a04d24 Don't create indexed load / store with zero offset! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36716 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 23:52:19 +00:00
Chris Lattner
75c7d2bd55 Allow i/s to match (gv+c). This fixes CodeGen/PowerPC/2007-05-03-InlineAsm-S-Constraint.ll 
and PR1382


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 16:54:34 +00:00
Devang Patel
1997473cf7 Drop 'const' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36662 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 01:11:54 +00:00
Anton Korobeynikov
6ad8256d76 Properly set arguments bitwidth of EHSELECT node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-02 22:15:48 +00:00
Devang Patel
3e15bf33e0 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-02 21:39:20 +00:00
Devang Patel
794fd75c67 Do not use typeinfo to identify pass in pass manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 21:15:47 +00:00
Evan Cheng
498f55989a Forgot about chain result; also UNDEF cannot have multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36622 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 08:53:39 +00:00
Evan Cheng
45a7ca9b23 * Only turn a load to UNDEF if all of its outputs have no uses (indexed loads 
produce two results.)
* Do not touch volatile loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36604 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 00:38:21 +00:00
Chris Lattner
e7cf56aeee Continue refactoring inline asm code. If there is an earlyclobber output 
register, preallocate all input registers and the early clobbered output.

This fixes PR1357 and CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36599 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 21:11:17 +00:00
Chris Lattner
bf996f1d5e refactor GetRegistersForValue to take OpInfo as an argument instead of various 
pieces of it.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36592 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 17:29:31 +00:00
Chris Lattner
3ff90dc1c8 refactor some code, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 17:16:27 +00:00
Chris Lattner
6995cf6015 generalize aggregate handling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36568 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-29 18:58:03 +00:00
Chris Lattner
09e4b7e1b7 memory operands that have a direct operand should have their stores created 
before the copies into physregs are done.  This avoids having flag operands
skip the store, causing cycles in the dag at sched time.  This fixes infinite
loops on these tests:

test/CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll for PR1308
test/CodeGen/PowerPC/2007-01-29-lbrx-asm.ll
test/CodeGen/PowerPC/2007-01-31-InlineAsmAddrMode.ll
test/CodeGen/X86/2006-07-12-InlineAsmQConstraint.ll for PR828


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36547 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-28 21:12:06 +00:00
Chris Lattner
c83994e5d4 eliminate more redundant constraint type analysis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36546 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-28 21:03:16 +00:00
Chris Lattner
2a600be226 merge constraint type analysis stuff together. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36545 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-28 21:01:43 +00:00
Chris Lattner
0c58340aea Significant refactoring of the inline asm stuff, to support future changes. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36544 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-28 20:49:53 +00:00