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5632 Commits

Author SHA1 Message Date
Chris Lattner
72ee6ebb0a Fix PR2423 by checking all indices for out of range access, not only 
indices that start with an array subscript.  x->field[10000] is just 
as bad as (*X)[14][10000].

llvm-svn: 55226
 2008-08-23 05:21:06 +00:00
Dale Johannesen
a8dbf73ffd Test all currently supported atomic builtins on x86-{32,64}. 
These just test that they go through the BE.

llvm-svn: 55208
 2008-08-22 22:39:21 +00:00
Dale Johannesen
c2d98ad011 Comprehensive test of FE handling of __sync builtins. 
llvm-svn: 55206
 2008-08-22 21:47:03 +00:00
Dan Gohman
a398d11527 Factor out the predicate check code from DAGISelEmitter.cpp 
and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.

llvm-svn: 55156
 2008-08-22 00:20:26 +00:00
Bill Wendling
8ff0d8f829 Testcase for PR2585. 
llvm-svn: 55151
 2008-08-21 23:04:49 +00:00
Dan Gohman
4562b2bcfe Add -mattr=sse2 so this test doesn't fail on non-x86 hosts. 
llvm-svn: 55145
 2008-08-21 22:34:25 +00:00
Dale Johannesen
6fe9da3acc Make x86 and sse2 explicit for non-x86 hosts. 
llvm-svn: 55141
 2008-08-21 21:26:06 +00:00
Evan Cheng
ef2509b3ba Fix a number of byval / memcpy / memset related codegen issues. 
1. x86-64 byval alignment should be max of 8 and alignment of type. Previously the code was not doing what the commit message was saying.
2. Do not use byte repeat move and store operations. These are slow.

llvm-svn: 55139
 2008-08-21 21:00:15 +00:00
Dan Gohman
42fa2945d3 getelementptr doesn't work on x86-64 yet, because it 
has MOV64ri32 and no plain MOV64ri.

llvm-svn: 55126
 2008-08-21 17:28:42 +00:00
Dan Gohman
f4269f7bea MVT::getMVT uses iPTR for pointer types, while we need the actual 
intptr_t type in this case. FastISel can now select simple
getelementptr instructions.

llvm-svn: 55125
 2008-08-21 17:25:26 +00:00
Nick Lewycky
7b87c4d8a4 Revert r54876 r54877 r54906 and r54907. Evan found that these caused a 20% 
slowdown in bzip2.

llvm-svn: 55113
 2008-08-21 05:56:10 +00:00
Dan Gohman
a6e647dd7c Basic fast-isel support for instructions with constant int operands. 
llvm-svn: 55099
 2008-08-21 01:41:07 +00:00
Dan Gohman
bb28e0fc6d Add a -march line for this test, and run it on x86-64 too for fun. 
llvm-svn: 55030
 2008-08-20 00:56:07 +00:00
Chris Lattner
63d8801e51 ll printer prints each zeroinit on the same line now, update regex 
llvm-svn: 55025
 2008-08-20 00:33:57 +00:00
Dan Gohman
455abe7436 Add FastISel support for floating-point operations. 
llvm-svn: 55021
 2008-08-20 00:23:20 +00:00
Dan Gohman
ce636764de Add FastISel support for several more binary operators. 
llvm-svn: 55020
 2008-08-20 00:11:48 +00:00
Bill Wendling
ab7c8c091e Add support for the __sync_sub_and_fetch atomics and friends for X86. The code 
was already present, but not hooked up to anything.

llvm-svn: 55018
 2008-08-19 23:09:18 +00:00
Dan Gohman
d5c84e8061 Fast-isel is now *minimally* functional. Add a testcase to 
demonstrate the extent of its capabilities. Note that it
only attempts to operate on one of the blocks in this
testcase.

llvm-svn: 55016
 2008-08-19 22:37:59 +00:00
Dale Johannesen
15b76de064 Add support for 8 and 16 bit forms of __sync 
builtins on X86.

Change "lock" instructions to be on a separate line.
This is needed to work around a bug in the Darwin
assembler.

llvm-svn: 54999
 2008-08-19 18:47:28 +00:00
Bill Wendling
98fb8113e8 XFAIL this test for now. 
llvm-svn: 54929
 2008-08-18 18:29:54 +00:00
Nick Lewycky
30a0ad8900 Consider the case where xor by -1 and xor by 128 have been combined already to 
produce an xor by 127.

llvm-svn: 54906
 2008-08-17 19:58:24 +00:00
Evan Cheng
5ebbd688ec Didn't mean to change this. 
llvm-svn: 54904
 2008-08-17 19:25:28 +00:00
Evan Cheng
6534c78383 Fix a (u)comiss intrinsic lowering bug. It was using anyext which can return junk in higher bits. Patch by Nate Begeman. 
llvm-svn: 54903
 2008-08-17 19:22:34 +00:00
Gordon Henriksen
2cc861a6c1 Rename some GC classes so that their roll will hopefully be clearer. 
In particular, Collector was confusing to implementors. Several
thought that this compile-time class was the place to implement
their runtime GC heap. Of course, it doesn't even exist at runtime.
Specifically, the renames are:

  Collector               -> GCStrategy
  CollectorMetadata       -> GCFunctionInfo
  CollectorModuleMetadata -> GCModuleInfo
  CollectorRegistry       -> GCRegistry
  Function::getCollector  -> getGC (setGC, hasGC, clearGC)

Several accessors and nested types have also been renamed to be
consistent. These changes should be obvious.

llvm-svn: 54899
 2008-08-17 18:44:35 +00:00
Nick Lewycky
205be593b8 Xor'ing both sides of icmp by sign-bit is equivalent to swapping signedness of 
the predicate.

Also, make this optz'n apply in more cases where it's safe to do so.

llvm-svn: 54876
 2008-08-17 07:34:14 +00:00
Owen Anderson
42c1d6c7b9 Remove GCSE and LoadVN from the testsuite. 
llvm-svn: 54832
 2008-08-16 00:00:54 +00:00
Devang Patel
a8e9ee0529 Reapply 54786. Add overflow and number of mantissa bits checks. 
llvm-svn: 54821
 2008-08-15 21:21:34 +00:00
Evan Cheng
b2e1459e48 Revert 54786. It's not checking for overflows, etc. 
llvm-svn: 54813
 2008-08-15 08:12:11 +00:00
Bill Wendling
e49fbb12fe Renaming LLVMC/dg.exp to LLVM/llvmc.exp 
llvm-svn: 54809
 2008-08-14 23:37:58 +00:00
Devang Patel
b5abdd4c33 The pass manager is not able to schedule -loop-deletion -loop-index-split. 
The loop-deletion pass does not preserve dom frontier, which is required by
loop-index-split. When the PM checks dom frontier for loop-index-split, it has
already verified that lcssa is availalble. However, new dom frontier forces new
loop pass manager, which does not  have lcssa yet.

The PM should recheck availability of required analysis passes in such cases.

llvm-svn: 54805
 2008-08-14 23:07:48 +00:00
Devang Patel
67f9b08a91 If IV is used in a int-to-float cast inside the loop then try to eliminate the cast opeation. 
llvm-svn: 54786
 2008-08-14 20:58:31 +00:00
Dan Gohman
b0f5e18201 Improve support for vector casts in LLVM IR and CodeGen. 
llvm-svn: 54784
 2008-08-14 20:04:46 +00:00
Dan Gohman
db5b503d60 Fix a bogus srem rule - a negative value srem'd by a power-of-2 
can have a non-negative result; for example, -16%16 is 0. Also,
clarify the related comments. This fixes PR2670.

llvm-svn: 54767
 2008-08-13 23:12:35 +00:00
Dan Gohman
096cdc6059 Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes with 
non-constant indices. Only a few of the peephole checks require
a constant index.

llvm-svn: 54764
 2008-08-13 21:51:37 +00:00
Dan Gohman
374d9328b7 Fix SCCP's handling of struct value loads and stores. SCCP doesn't 
track individual leaf values in such cases, so it needs to treat
struct values as normal values in this case.

llvm-svn: 54760
 2008-08-13 21:22:48 +00:00
Duncan Sands
26e54f3570 Teach constant folding that an inttoptr of a 
ptrtoint can be turned into a bitcast if the
integer is at least as wide as a pointer.

llvm-svn: 54752
 2008-08-13 20:20:35 +00:00
Devang Patel
a82e51a430 Check sign to detect overflow before changing compare stride. 
llvm-svn: 54710
 2008-08-13 02:05:14 +00:00
Dan Gohman
37da9e9dbd Extend ScalarEvolution's executesAtLeastOnce logic to be able to 
continue past the first conditional branch when looking for a
relevant test. This helps it avoid using MAX expressions in
loop trip counts in more cases.

llvm-svn: 54697
 2008-08-12 20:17:31 +00:00
Chris Lattner
ae09ade343 Implement support for simplifying vector comparisons by 0.0 and 1.0 like we 
do for scalars.  Patch contributed by Nicolas Capens

This also generalizes the previous xforms to work on long double, now that 
isExactlyValue works for long double.

llvm-svn: 54653
 2008-08-11 22:06:05 +00:00
Dan Gohman
6789ef32d7 Improve the grep commands for this test to be tolerant of ABI 
differences, and to be more specific.

llvm-svn: 54648
 2008-08-11 20:10:41 +00:00
Dan Gohman
a27ed39f05 Take the FrameOffset into account when computing the alignment 
of stack objects. This fixes PR2656.

llvm-svn: 54646
 2008-08-11 18:27:03 +00:00
Gordon Henriksen
b3806a3386 [PR-2610] Adding Ocaml bindings for Switch::addCase. 
llvm-svn: 54571
 2008-08-09 01:55:52 +00:00
Dan Gohman
ac992cdc1c Add an EXTRACTPSmr pattern to match the pattern that 
X86ISelLowering creates.

llvm-svn: 54544
 2008-08-08 18:30:21 +00:00
Nick Lewycky
732ffeba9e Testcase for r54520. 
llvm-svn: 54521
 2008-08-08 07:00:26 +00:00
Evan Cheng
4708df4776 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
llvm-svn: 54519
 2008-08-08 06:56:16 +00:00
Nick Lewycky
19a341cf57 Don't crash printing the asm for a ConstantExpr PtrToInt just because the int 
is narrower than the pointer. This testcase emits:

  .byte (((17) - 16) & 255)

llvm-svn: 54517
 2008-08-08 06:34:07 +00:00
Bruno Cardoso Lopes
f8906a40ab Support added for ctlz intrinsic, test case added. 
llvm-svn: 54516
 2008-08-08 06:16:31 +00:00
Bruno Cardoso Lopes
91abeb9458 [Last] Batch 7 of Mips CodeGen tests 
llvm-svn: 54512
 2008-08-08 04:12:42 +00:00
Bruno Cardoso Lopes
c4f524b9d1 Batch 6 of Mips CodeGen tests 
llvm-svn: 54511
 2008-08-08 04:11:30 +00:00
Bruno Cardoso Lopes
772cf1643c Batch 5 of Mips CodeGen tests 
llvm-svn: 54510
 2008-08-08 04:09:57 +00:00