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3718 Commits

Author SHA1 Message Date
Evan Cheng
19e3f31f6a Added getNumExplicitOperands and findFirstPredOperand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37064 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-15 01:26:09 +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
8dfffd5a07 Only worry about intervening kill if there are more than one live ranges in the interval. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37052 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-14 21:23:51 +00:00
Evan Cheng
2f6cb2b14c Fix for PR1406: 
v1 =
r2 = move v1
   = op r2<kill>
...
r2 = move v1
   = op r2<kill>

Clear the first r2 kill if v1 and r2 are joined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37050 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-14 21:10:05 +00:00
Evan Cheng
8b966d9fd0 When marking a register as being implicitly defined, make sure to clear its partial use info as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37046 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-14 20:39:18 +00:00
Reid Spencer
9bd57b6561 Give names to the final result values of the part_set computations. This 
just aids in readability and debugability of the output. No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37037 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-14 17:21:17 +00:00
Anton Korobeynikov
185bc8905a Emit function debug frames in one atom. This will prevent us from generating incorrect assembler in case of both 
debug information & exception information presented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37019 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-13 17:30:11 +00:00
Anton Korobeynikov
8c7c17354c Emit multiple common EH frames for multiple (including blank) personality 
functions. This partly fixes PR1414: now we're restricted only to one
personality function per eh frame, not per module. Further work on
"multiple personalities" topic needs representative example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37018 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-13 15:42:26 +00:00
Anton Korobeynikov
0ff3ca4f92 More DWARF-related things cleanup: 
1. Fix PR1380
2. Apply Duncan's patch from PR1410
3. Insert workaround for "one personality function per module" as noted in PR1414
4. Emit correct debug frames for x86/linux. This partly fixes DebugInfo/2006-11-06-StackTrace.cpp: stack trace is
shown correctly, but arguments for function on top of stack are displayed incorrectly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37015 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-12 22:36:25 +00:00
Reid Spencer
5156f5b214 Get the size of auto arrays right, regardless of its changing size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37006 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-12 11:07:40 +00:00
Devang Patel
1e4c23a2d1 Fix http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049516.html 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36998 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-11 23:14:43 +00:00
Anton Korobeynikov
22d5c37f32 Perform correct actions numbers/sizes computation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36988 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-11 08:47:35 +00:00
Anton Korobeynikov
29c9cafe46 Fix action No calculation in multiple-invoke-one-LP mode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36987 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-11 08:23:57 +00:00
Dale Johannesen
54f4a6780a Do not generate branches to entry block. This fixes several test suite 
failures on PPC (can happen only when prologue code is null)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36979 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-10 23:59:23 +00:00
Anton Korobeynikov
432a7faf03 Ooops. Some debugging stuff :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36978 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-10 22:38:46 +00:00
Anton Korobeynikov
eeb37e0b80 Allow multiple invokes per landing pad. This (probably) fixes PR1410. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36977 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-10 22:34:59 +00:00
Duncan Sands
c1fe16610a Later computations assume we are aligned at this point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36975 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-10 18:40:24 +00:00
Anton Korobeynikov
e25514d0a5 TypeIds are indexed by j, not i 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36974 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-10 15:10:34 +00:00
Dale Johannesen
76b38fcabe Make tail merging handle many more cases (all it can, I think). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36966 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-10 01:01:49 +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
Bill Wendling
e23e00ddea Change names from RA to something unique to get rid of naming conflicts with 
certain linkers...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36944 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-08 19:02:46 +00:00
Evan Cheng
56184904cd Eliminate MarkVirtRegAliveInBlock recursion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36943 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-08 19:00:00 +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
Dale Johannesen
7d33b4c59b Handle some non-exit blocks in tail merging. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36907 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-07 20:57:21 +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
Nick Lewycky
ecd94c804a Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36873 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 13:37:16 +00:00
Duncan Sands
3194f57541 Use the personality function that was registered with MMI rather than 
hardwiring in the C++ one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36789 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-05 20:27:00 +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
01dfdcd84b Spelling fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36781 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-05 16:32:57 +00:00
Anton Korobeynikov
2a07e2f4df Emit sections/directives in the proper order. This fixes PR1376. Also, 
some small cleanup was made.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36780 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-05 09:04:50 +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
Lauro Ramos Venancio
c718288f49 Fix build error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36648 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-02 20:37:47 +00:00
Anton Korobeynikov
79dda2b048 Fix couple of bugs connected with eh info: 
1. Correct output offsets on Linux
2. Fix "style" of personality function. It shouldn't be indirect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36633 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 22:23:12 +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
8e33473321 If call frame is not part of stack frame and no dynamic alloc, eliminateFrameIndex() must adjust SP offset with size of call frames. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 09:01:42 +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
Nate Begeman
7bf1c272ab llvm bug #1350, parts 1, 2, and 3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36618 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 05:57:02 +00:00
Evan Cheng
5c3885ce8e Under normal circumstances, when a frame pointer is not required, we reserve 
argument space for call sites in the function immediately on entry to the
current function. This eliminates the need for add/sub sp brackets around call
sites. However, this is not always a good idea. If the "call frame" is large and
the target load / store instructions have small immediate field to encode sp
offset, this can cause poor codegen. In the worst case, this can make it
impossible to scavenge a register if the reserved spill slot is pushed too far
apart from sp / fp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36607 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 00:52:08 +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
77edc4b1b0 Fix PR1228 and CodeGen/Generic/2007-04-30-LandingPadBranchFolding.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36602 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 23:35:00 +00:00
Chris Lattner
c11ce86943 print isLandingPad() for MBBs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36600 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 23:12:53 +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