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Author SHA1 Message Date
Dan Gohman
1aeaeec570 Emit integer x<1 as x<=0, as comparisons with zero (now includeing 
64-bit) can use test instead of cmp with an immediate.

llvm-svn: 42026
 2007-09-17 14:49:27 +00:00
Dan Gohman
b9449c9118 Use "test reg,reg" in place of "cmp reg,0" for 64-bit operands. This was 
previously only done for 32-bit and smaller operands.

llvm-svn: 42024
 2007-09-17 14:35:24 +00:00
Duncan Sands
901cb2662d Factor the trampoline transformation into a subroutine. 
llvm-svn: 42021
 2007-09-17 10:26:40 +00:00
Dale Johannesen
0ea2cc2e51 Implement x86 long double (uses host long double, 
so only works on x86 target).

llvm-svn: 42019
 2007-09-17 00:38:27 +00:00
Daniel Berlin
d44b2016ca Fix bug in andersen's related to test_and_set. 
Add operator == and != to SparseBitVector.
Simplify code for test_and_set

llvm-svn: 42018
 2007-09-16 23:59:53 +00:00
Daniel Berlin
688e8d9b60 Fix a few bugs related to zero'ing of elements 
llvm-svn: 42017
 2007-09-16 22:31:47 +00:00
Daniel Berlin
3625ac77e4 Rewrite of andersen's to be about 100x faster, cleaner, and begin to support field sensitivity 
llvm-svn: 42016
 2007-09-16 21:45:02 +00:00
Bill Wendling
f1335f46d4 Follow-up to patch r41999. Make the conditional that emits the personality stub 
match the conditional that turns on exception handling emittion in the asm
printer.

llvm-svn: 42008
 2007-09-16 19:21:08 +00:00
Dale Johannesen
78628a9108 Adjust per revew comments. 
llvm-svn: 42002
 2007-09-16 16:51:49 +00:00
Bill Wendling
7932341cef Only emit the personality function as a global value if the backend actually 
supports it. This solves this error on the Darwin x86-64 platform:

$ cat testcase.ii
struct A {
  A();
};

A *bork() {
  return new A;
}
$ llvm-g++ -arch x86_64 -c testcase.ii
/var/tmp//cc3U8fd8.s:52:unknown section type: non_lazy_symbol_pointers
/var/tmp//cc3U8fd8.s:52:Rest of line ignored. 1st junk character valued 76 (L).
/var/tmp//cc3U8fd8.s:53:Unknown pseudo-op: .indirect_symbol
/var/tmp//cc3U8fd8.s:53:Rest of line ignored. 1st junk character valued 95 (_).

llvm-svn: 41999
 2007-09-16 10:36:17 +00:00
Owen Anderson
fd6ec5cf82 Be more careful when constant-folding PHI nodes. 
llvm-svn: 41998
 2007-09-16 08:04:16 +00:00
Chris Lattner
890c3898e0 remove obsolete tests. 
llvm-svn: 41984
 2007-09-15 17:38:04 +00:00
Chris Lattner
1b622ad721 Fix PR1666, SPASS with the CBE and 254.gap with the CBE. 
GCC optimizes away things like ptr < NULL  to false.  To "fix" this,
have the CBE emit casts of pointers to intptr_t when doing relational
pointer comparisons.

llvm-svn: 41983
 2007-09-15 06:51:03 +00:00
Chris Lattner
489e7aa85f New testcase for PR1662. GCC trees are horrible :( 
llvm-svn: 41979
 2007-09-15 05:46:41 +00:00
Dan Gohman
df419c2b4f Add patterns for SHLD64* and SHRD64*. 
llvm-svn: 41975
 2007-09-14 23:17:45 +00:00
Chris Lattner
bb109aed3d fix a gcc warning: comparison between signed and unsigned integer expressions 
llvm-svn: 41972
 2007-09-14 22:57:00 +00:00
Owen Anderson
a37895cfee Remove RLE from the headers, since the pass itself is gone now. 
llvm-svn: 41971
 2007-09-14 22:54:46 +00:00
Owen Anderson
fe5adad9c4 Remove RLE. It is subsumed by GVN. 
llvm-svn: 41968
 2007-09-14 22:33:52 +00:00
Dale Johannesen
575bd6070a Remove the assumption that FP's are either float or 
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).

llvm-svn: 41967
 2007-09-14 22:26:36 +00:00
Evan Cheng
13797e4a74 Add implicit def of EFLAGS on those instructions that may modify flags. 
llvm-svn: 41962
 2007-09-14 21:48:26 +00:00
Dan Gohman
1c9bf0bfb9 And an FoldingSetImpl::NodeID::AddInteger overload for int64_t, to avoid 
ambiguity.

llvm-svn: 41960
 2007-09-14 20:48:42 +00:00
Dan Gohman
27ab14af9b Add explicit triples to avoid default behavior that varies by host. 
llvm-svn: 41959
 2007-09-14 20:37:18 +00:00
Dan Gohman
fb60c0dfed Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
 2007-09-14 20:33:02 +00:00
Dan Gohman
5f29ab68e1 Change "tmp." to "tmp" for temporaries created by ScalarEvolutionExpander 
for consistency with many other transforms.

llvm-svn: 41957
 2007-09-14 20:11:40 +00:00
Dan Gohman
53119779c2 Remove spurious consts. This fixes warnings with compilers that 
are strict about such things.

llvm-svn: 41956
 2007-09-14 20:08:19 +00:00
Rafael Espindola
5d8b225881 Add support for functions with byval arguments on x86 
llvm-svn: 41953
 2007-09-14 15:48:13 +00:00
Chris Lattner
601d09bf08 Fix a logic error in ValueIsOnlyUsedLocallyOrStoredToOneGlobal that caused 
miscompilation of 188.ammp.  Reject select and bitcast in 
ValueIsOnlyUsedLocallyOrStoredToOneGlobal because RewriteHeapSROALoadUser can't handle it.

llvm-svn: 41950
 2007-09-14 03:41:21 +00:00
Chris Lattner
9c3cd36dd0 silence a bogus gcc warning. 
llvm-svn: 41949
 2007-09-14 03:07:24 +00:00
Evan Cheng
3aafca793b Fix comments. 
llvm-svn: 41947
 2007-09-14 01:57:02 +00:00
Tanya Lattner
d189942f01 Change to 2.2svn. 
llvm-svn: 41941
 2007-09-14 01:24:13 +00:00
Bill Wendling
843ac5aebe Temporary reverting r41817 
(http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070910/053370.html). It's
causing SPASS to fail.

llvm-svn: 41938
 2007-09-14 01:13:55 +00:00
Chris Lattner
f3448236f8 Teach GlobalLoadUsesSimpleEnoughForHeapSRA and the SROA rewriter how to handle 
a limited form of PHI nodes.  This finally fixes PR1639, speeding 179.art up
from 7.84s to 3.13s on PPC.

llvm-svn: 41933
 2007-09-13 21:31:36 +00:00
Chris Lattner
c5d83b7270 be tolerant of PHI nodes when rewriting heap SROA code. This is a step 
along the way of PR1639

llvm-svn: 41930
 2007-09-13 18:00:31 +00:00
Chris Lattner
c9f2f2dd92 refactor some code, no functionality change. On the path to PR1639 
llvm-svn: 41929
 2007-09-13 17:29:05 +00:00
Chris Lattner
31d34baa89 Make ValueIsOnlyUsedLocallyOrStoredToOneGlobal smart enough to see through 
bitcasts and phis.  This is a step to fixing PR1639.

llvm-svn: 41928
 2007-09-13 16:37:20 +00:00
Chris Lattner
b83dee72ee Make AllUsesOfLoadedValueWillTrapIfNull strong enough to see through PHI 
nodes.  This is the first step of the fix for PR1639.

llvm-svn: 41927
 2007-09-13 16:30:19 +00:00
Chris Lattner
6b18ffcafe remove dead enum value. 
llvm-svn: 41925
 2007-09-13 06:18:04 +00:00
Chris Lattner
7b29e6a714 Make single-argument ctors explicit to avoid tricky bugs :) 
llvm-svn: 41924
 2007-09-13 06:15:57 +00:00
Chris Lattner
f672250ee0 Fix build problems on Cygwin (PR1652), patch by Patrick Walton. 
llvm-svn: 41923
 2007-09-13 06:09:48 +00:00
Evan Cheng
827f269fac Added getNumDefs(). 
llvm-svn: 41901
 2007-09-13 00:16:29 +00:00
Evan Cheng
7adc0f3eff Bug fixes. 
llvm-svn: 41900
 2007-09-13 00:06:00 +00:00
Evan Cheng
d9d3176de3 Remove dead code. 
llvm-svn: 41899
 2007-09-12 23:45:46 +00:00
Evan Cheng
e88f30877d Yet another getTargetNode variant. 
llvm-svn: 41898
 2007-09-12 23:39:49 +00:00
Evan Cheng
bd4b11cfa9 Initial support for multi-result patterns: 
1.
[(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
 (modify EFLAGS)]
This indicates the source pattern expects the instruction would produce 2 values. The first is the result of the addition. The second is an implicit definition in register EFLAGS.
2.
def : Pat<(parallel (addc GR32:$src1, GR32:$src2), (modify EFLAGS)), ()>
Similar to #1 except this is used for def : Pat patterns.

llvm-svn: 41897
 2007-09-12 23:30:14 +00:00
Evan Cheng
0d738fff6d Fixed a typo that's causing a missing kill marker. 
llvm-svn: 41893
 2007-09-12 23:02:04 +00:00
Chris Lattner
679d7949f9 add a new BF->LLVM translator, contributed by Sterling Stein. 
llvm-svn: 41881
 2007-09-12 18:24:00 +00:00
Chris Lattner
d58e0026ec Change llvm.gcroot to not init the root to null at runtime, this prevents 
using it for live-in values etc.

llvm-svn: 41879
 2007-09-12 17:53:10 +00:00
Dale Johannesen
967ee09f04 Generated files for previous patch. 
llvm-svn: 41876
 2007-09-12 03:31:28 +00:00
Dale Johannesen
4784ee3431 Revise previous patch per review comments. 
Next round of x87 long double stuff.
Getting close now, basically works.

llvm-svn: 41875
 2007-09-12 03:30:33 +00:00
Dale Johannesen
4b03ae1ff5 Compensate for partCount change in Bogus definition 
(could break hash table in ConstantFP)

llvm-svn: 41874
 2007-09-12 01:22:05 +00:00