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Author SHA1 Message Date
Chris Lattner
55115233db reduce indentation by eliminating 'else after return' 
llvm-svn: 96889
 2010-02-23 05:51:07 +00:00
Chris Lattner
8a5eea0929 reapply my cellspu changes with a fix to not break the old isel. 
llvm-svn: 96885
 2010-02-23 05:30:43 +00:00
Dan Gohman
f8e12a593d Update LangRef to match the code; pointers default to being 64-bit. 
llvm-svn: 96873
 2010-02-23 02:44:03 +00:00
Dan Gohman
f1ac231d17 Revert 96854, 96852, and 96849, unbreaking test/CodeGen/CellSPU/i64ops.ll. 
llvm-svn: 96871
 2010-02-23 02:33:29 +00:00
Chris Lattner
42f0bd1d2c X86InstrInfoSSE.td declares PINSRW as having type v8i16, 
don't alis it in the MMX .td file with a different width,
split into two X86ISD opcodes.  This fixes an x86 testcase.

llvm-svn: 96859
 2010-02-23 02:07:48 +00:00
Johnny Chen
9077a6f901 Added versions of VCGE, VCGT, VCLE, and VCLT NEON instructions which compare to 
(immediate #0) for disassembly only.

A8.6.283, A8.6.285, A8.6.287, A8.6.290

llvm-svn: 96856
 2010-02-23 01:42:58 +00:00
Chris Lattner
cffb96542a fix hte last cellspu failure. 
llvm-svn: 96854
 2010-02-23 01:37:39 +00:00
Chris Lattner
0872bdfb41 hack around more crimes in instruction selection. 
llvm-svn: 96852
 2010-02-23 01:33:17 +00:00
Dan Gohman
0891078790 Convert this test to FileCheck and add a testcase for PR3574. 
llvm-svn: 96851
 2010-02-23 01:28:09 +00:00
Chris Lattner
c175e45976 the cell backend is making all sorts of unsafe and incorrect assumptions 
about ownership and update policies.  It isn't clear why it is doing all
this lowering at isel time instead of in legalize.  This fixes fcmp64.ll

llvm-svn: 96849
 2010-02-23 01:20:00 +00:00
Chris Lattner
49b1b721fc really fix an off-by-one error 
llvm-svn: 96845
 2010-02-23 01:07:39 +00:00
Chris Lattner
ac4672fba5 fix an off-by-one error. 
llvm-svn: 96844
 2010-02-23 01:07:09 +00:00
Chris Lattner
68fd68d9ff switch the value# in OPC_CompleteMatch and OPC_EmitNode to use a 
VBR encoding for the insanity being perpetrated by the spu backend. 

llvm-svn: 96843
 2010-02-23 00:59:59 +00:00
Johnny Chen
b35408e8df Added VCEQ (immediate #0) NEON instruction for disassembly only. 
A8.6.281

llvm-svn: 96838
 2010-02-23 00:33:12 +00:00
Jakob Stoklund Olesen
890a5e50fc Dead code elimination 
llvm-svn: 96837
 2010-02-23 00:28:53 +00:00
Jeffrey Yasskin
d5509ca6a2 Fix viewCFG on Linux. 
llvm-svn: 96834
 2010-02-23 00:04:53 +00:00
Chris Lattner
49ec9f853e add a new Push2 opcode for targets (like cellspu) which have 
ridiculously ginormous patterns and need more than one byte
of displacement for encodings.  This fixes CellSPU/fdiv.ll.
SPU is still doing something else ridiculous though.

llvm-svn: 96833
 2010-02-22 23:55:39 +00:00
Evan Cheng
8096221984 These should not have been committed. 
llvm-svn: 96827
 2010-02-22 23:37:48 +00:00
Chris Lattner
c4fea4c8a1 no need to run llvm-as here. 
llvm-svn: 96826
 2010-02-22 23:34:12 +00:00
Evan Cheng
d9816ef946 Instcombine constant folding can normalize gep with negative index to index with large offset. When instcombine objsize checking transformation sees these geps where the offset seemingly point out of bound, it should just return "i don't know" rather than asserting. 
llvm-svn: 96825
 2010-02-22 23:34:00 +00:00
Chris Lattner
fbca302fe2 Change ComplexPattern handling to push the node being matched as 
well as the operands produced when the pattern is matched.  This
allows CheckSame to work correctly when matching replicated 
names involving ComplexPatterns.  This fixes a bunch of MSP430 
failures, we're down to 13 failures, two of which are
due to a sched bug.

llvm-svn: 96824
 2010-02-22 23:33:44 +00:00
Jim Grosbach
c4ab116a90 Updated version of r96634 (which was reverted due to failing 176.gcc and 
126.gcc nightly tests. These failures uncovered latent bugs that machine DCE
could remove one half of a stack adjust down/up pair, causing PEI to assert.
This update fixes that, and the tests now pass.

llvm-svn: 96822
 2010-02-22 23:10:38 +00:00
Dan Gohman
fa70dbe3f7 Add a test for canonicalizing ConstantExpr operands. 
llvm-svn: 96820
 2010-02-22 23:07:52 +00:00
Jim Grosbach
4aea6e93c8 Clean up a bit and fix for when SPAdj != 0 
llvm-svn: 96818
 2010-02-22 22:54:55 +00:00
Jim Grosbach
8ae3bf1f1e The predicate index isn't fixed, so scan for it to make sure we get the proper 
value.

Thumb2 uses the tADJCALLSTACK* instructions, and doesn't need t2 versions, so
remove the FIXME entry.

llvm-svn: 96817
 2010-02-22 22:47:46 +00:00
Dan Gohman
97481fb5e0 Canonicalize ConstantInts to the right operand of commutative 
operators.

The test difference is just due to the multiplication operands
being commuted (and thus requiring a more elaborate match). In
optimized code, that expression would be folded.

llvm-svn: 96816
 2010-02-22 22:43:23 +00:00
Chris Lattner
e4d3e9772a expand my hack to work with nodes that have flags but no chains and the 
isel doesn't know the correct # results.  This fixes 8 codegen tests,
down to 22 failures.

llvm-svn: 96815
 2010-02-22 22:37:11 +00:00
Chris Lattner
1613c59dbe add a new CheckMultiOpcode opcode for checking that a node 
has one of the list of acceptable opcodes for a complex 
pattern.  This fixes 4 regtest failures.

llvm-svn: 96814
 2010-02-22 22:30:37 +00:00
Chris Lattner
b77c4c6a30 When matching patterns that have a complex pattern as their root, make 
sure to only run the complex pattern on nodes where the target opts in.
This patch only handles targets with one opcode specified so far, but
fixes 16 failures, only 34 left.

llvm-svn: 96813
 2010-02-22 22:18:05 +00:00
Chris Lattner
b9f6931c4a add some debug hooks for tracking the behavior of the isel. 
llvm-svn: 96812
 2010-02-22 22:15:39 +00:00
Chris Lattner
4b14d5146f remove dupes now. 
llvm-svn: 96811
 2010-02-22 22:15:05 +00:00
Chris Lattner
d9ac0d21f4 move #includes earlier. 
llvm-svn: 96810
 2010-02-22 22:14:47 +00:00
Daniel Dunbar
2097684f80 MC/Mach-O: Remove non-sensical comment, and add a missing AddValueSymbols call. 
llvm-svn: 96809
 2010-02-22 22:08:57 +00:00
Dan Gohman
90cc88c00f Minor formatting cleanup. 
llvm-svn: 96808
 2010-02-22 22:07:27 +00:00
Dan Gohman
0a0f1d2ee2 Use Instruction::isCommutative instead of duplicating it. 
llvm-svn: 96807
 2010-02-22 22:05:18 +00:00
Johnny Chen
0e6c232f0e Added SEL, SXTB16, SXTAB16, UXTAB16, SMMULR, SMMLAR, SMMLSR, SMUAD, and SMUSD, 
for disassembly only.

llvm-svn: 96806
 2010-02-22 21:50:40 +00:00
Bob Wilson
e075edf725 Erase deleted instructions from GVN's ValueTable. This fixes assertion 
failures from ValueTable::verifyRemoved() when using -debug.

llvm-svn: 96805
 2010-02-22 21:39:41 +00:00
Dan Gohman
8f672b95f2 Actually enable the -enable-unsafe-fp-math tests. 
llvm-svn: 96796
 2010-02-22 18:53:26 +00:00
Johnny Chen
bdb1fdccfb Added a bunch of instructions for disassembly only: 
o signed/unsigned add/subtract
o signed/unsigned halving add/subtract
o unsigned sum of absolute difference [and accumulate]
o signed/unsigned saturate
o signed multiply accumulate/subtract [long] dual

llvm-svn: 96795
 2010-02-22 18:50:54 +00:00
Arnold Schwaighofer
8427969f9c Mark the return address stack slot as mutable when moving the return address 
during a tail call. A parameter might overwrite this stack slot during the tail
call. 

The sequence during a tail call is:
1.) load return address to temp reg
2.) move parameters (might involve storing to return address stack slot)
3.) store return address to new location from temp reg

If the stack location is marked immutable CodeGen can colocate load (1) with the
store (3).

This fixes bug 6225.

llvm-svn: 96783
 2010-02-22 16:18:09 +00:00
Daniel Dunbar
7bf531b515 LLVMC/MultiplePluginPriorities.td: Generally XFAIL this test for now, it is 
still failing during (one) llvm-gcc powerpc build, and is also failing on my
x86_64-apple-darwin10.

llvm-svn: 96781
 2010-02-22 05:55:32 +00:00
Dan Gohman
2575392bf1 Remove unused variables and parameters. 
llvm-svn: 96780
 2010-02-22 04:11:59 +00:00
Dan Gohman
835086ef52 Fix various doxygen warnings. 
llvm-svn: 96779
 2010-02-22 04:10:52 +00:00
Dan Gohman
733388cdcf Fix a typo in a comment. 
llvm-svn: 96778
 2010-02-22 04:09:26 +00:00
Dan Gohman
dcc3634e46 Constant-fold certain comparisons with infinity and negative infinity. 
llvm-svn: 96777
 2010-02-22 04:06:03 +00:00
Dan Gohman
7804dbce6e Rename a variable to avoid a -Wshadow warning. 
llvm-svn: 96776
 2010-02-22 04:04:24 +00:00
Dan Gohman
c281a5da15 Remove the logic for reasoning about NaNs from the code that forms 
SSE min and max instructions. The real thing this code needs to be
concerned about is negative zero.

Update the sse-minmax.ll test accordingly, and add tests for
-enable-unsafe-fp-math mode as well.

llvm-svn: 96775
 2010-02-22 04:03:39 +00:00
Dan Gohman
c44dee5fbd When emitting an instruction which depends on both a post-incremented 
induction variable value and a loop-variant value, don't force the
insert position to be at the post-increment position, because it may
not be dominated by the loop-variant value. This fixes a
use-before-def problem noticed on PPC.

llvm-svn: 96774
 2010-02-22 03:59:54 +00:00
Dan Gohman
8c51905154 This cast<Instruction> is unnecessary. 
llvm-svn: 96771
 2010-02-22 02:07:36 +00:00
Chris Lattner
8b7f191696 enhance my hack for flags handling, this allows us to pass 
CodeGen/X86/pr2182.ll.  Down to 13 x86 failures out of ~1100

llvm-svn: 96770
 2010-02-22 00:47:38 +00:00