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Author SHA1 Message Date
Jim Grosbach
4642ad3af1 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 23:10:38 +00:00
Dan Gohman
12f9168bc3 Add a test for canonicalizing ConstantExpr operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 23:07:52 +00:00
Jim Grosbach
5a0815fae8 Clean up a bit and fix for when SPAdj != 0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:54:55 +00:00
Jim Grosbach
4c7628e43d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:47:46 +00:00
Dan Gohman
0e488b3d1c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96816 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:43:23 +00:00
Chris Lattner
418b568336 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:37:11 +00:00
Chris Lattner
12a667c1e8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:30:37 +00:00
Chris Lattner
1f2ed5fe7e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96813 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:18:05 +00:00
Chris Lattner
3df577b71b add some debug hooks for tracking the behavior of the isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:15:39 +00:00
Chris Lattner
54de8c1b39 remove dupes now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96811 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:15:05 +00:00
Chris Lattner
bebe68ec00 move #includes earlier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96810 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:14:47 +00:00
Daniel Dunbar
40ebe2473a MC/Mach-O: Remove non-sensical comment, and add a missing AddValueSymbols call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:08:57 +00:00
Dan Gohman
95056e4808 Minor formatting cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:07:27 +00:00
Dan Gohman
d97439d1e5 Use Instruction::isCommutative instead of duplicating it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:05:18 +00:00
Johnny Chen
2ec5e49a2b Added SEL, SXTB16, SXTAB16, UXTAB16, SMMULR, SMMLAR, SMMLSR, SMUAD, and SMUSD, 
for disassembly only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96806 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 21:50:40 +00:00
Bob Wilson
74175c2ca1 Erase deleted instructions from GVN's ValueTable. This fixes assertion 
failures from ValueTable::verifyRemoved() when using -debug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 21:39:41 +00:00
Dan Gohman
fc90d4c0f4 Actually enable the -enable-unsafe-fp-math tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96796 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 18:53:26 +00:00
Johnny Chen
667d127b0b 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 18:50:54 +00:00
Arnold Schwaighofer
9265275a9a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96783 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 16:18:09 +00:00
Daniel Dunbar
3591b90843 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 05:55:32 +00:00
Dan Gohman
454d26dc43 Remove unused variables and parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96780 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 04:11:59 +00:00
Dan Gohman
fb76fe0929 Fix various doxygen warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 04:10:52 +00:00
Dan Gohman
b4e8aabba7 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 04:09:26 +00:00
Dan Gohman
6b617a7213 Constant-fold certain comparisons with infinity and negative infinity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96777 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 04:06:03 +00:00
Dan Gohman
31a95c524c Rename a variable to avoid a -Wshadow warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 04:04:24 +00:00
Dan Gohman
8ce05daf54 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96775 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 04:03:39 +00:00
Dan Gohman
278f958c61 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96774 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 03:59:54 +00:00
Dan Gohman
2444080ca4 This cast<Instruction> is unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96771 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 02:07:36 +00:00
Chris Lattner
74fd536158 enhance my hack for flags handling, this allows us to pass 
CodeGen/X86/pr2182.ll.  Down to 13 x86 failures out of ~1100


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96770 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 00:47:38 +00:00
Chris Lattner
ccfea35efb fix an incorrect VT: eflags is always i32. The bug was causing us to 
create an X86ISD::Cmp node with result type i64 on the 
CodeGen/X86/shift-i256.ll testcase and the new isel was assert on it
downstream.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 00:28:59 +00:00
Chris Lattner
565a6f9480 fix most of the failures in the x86 suite by handling multiple 
result nodes correctly.  Note that this includes a horrible hack
in DAGISelHeader which cannot be fixed reasonably without 
eliminating (parallel) from input patterns.  That, in turn,
can't be done until we support writing multiple result patterns
for the X86and_flag and related multiple-result nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 23:54:05 +00:00
Daniel Dunbar
12783d1c3a MC/X86: Add stub AsmBackend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96763 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 21:54:14 +00:00
Daniel Dunbar
e7bd886cb8 MC: Sketch registry support for target specific assembler backends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96762 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 21:53:53 +00:00
Daniel Dunbar
24b5425072 Formatting tweaks (trailing whitespace, ordering, comments). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 21:53:37 +00:00
Chris Lattner
502035e541 fix an odd thinko in an assertion, all arm tests pass now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96758 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:57:28 +00:00
Chris Lattner
664012bb64 Always emit register class id references as i32 like 
DAGISelEmitter does.  This fixes 11 arm failures (8 
left).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96757 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:53:45 +00:00
Chris Lattner
728ea19ece add some no-unwinds, other minor cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:33:20 +00:00
Anton Korobeynikov
293d592bf9 It turned out that we failed to emit proper symbol stubs on non-x86/darwin for ages (we emitted a reference to a stub, but no stub was emitted). The code inside x86-32/macho target objfile lowering should actually be the generic one - move it there. 
This (I really, really hope) should fix EH issues on ppc/darwin
and arm/darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:28:15 +00:00
Chris Lattner
be94ffcf12 speculatively teach OPC_CheckValueType and OPC_EmitNode to handle 
MVT::iPTR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96753 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:15:25 +00:00
Chris Lattner
be92e6a0d2 teach OPC_CheckType to handle MVT::iPTR, down to 2 ppc failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:10:43 +00:00
Chris Lattner
1d4cb41fdd make this check a bit more generous, it may be outliving its 
utility.  Down to 6 ppc failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:02:15 +00:00
Chris Lattner
1e4b8bc93b Relax an assertion a bit. We allow replacing things like 
<4 x i32> with <4 x float> values if they end up the same
register class.  This gets us up to 231 passes on the ppc
tests (only 7 fails).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 19:35:07 +00:00
Chris Lattner
25e0f91d05 add a triple so that this doesn't fail due to linux/ppc register printing 
syntax.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 19:27:38 +00:00
Chris Lattner
99ce6e8aff Sort the patterns before adding them to the FA so that we get the 
least cost matches.  This gets us from 195 -> 208 passes on the ppc codegen tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 19:22:06 +00:00
Duncan Sands
bb1d451246 Remove a bunch of duplicated code, where there was one version taking a std::ostream 
and another taking a raw_ostream, but otherwise identical.  Use raw_ostream everywhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 19:15:19 +00:00
Chris Lattner
ad14fcc4c2 filecheckize and add nouwinds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 18:53:28 +00:00
Jakob Stoklund Olesen
b1ce7b1324 Enable assertion to detect cyclic valno references. 
This changes the stack overflow in PR6363 to an assertion failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 18:51:48 +00:00
Anton Korobeynikov
455080ff10 IT turns out that during jumpless setcc lowering eq and ne were swapped. 
This fixes PR6348

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96734 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 12:28:58 +00:00
Chris Lattner
863cc971e8 when a match fails and we have to rollback, make sure to keep 'N' in 
sync with the top of stack.  This fixes a bunch of failures on larger
testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96732 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 07:55:48 +00:00
Chris Lattner
0fb65cffa6 handle optional in flags that aren't present. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 07:19:06 +00:00