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Author SHA1 Message Date
Chris Lattner 85ef93f130 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 bb2afb79c0 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 a5a298517e 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 065882a2ca add some debug hooks for tracking the behavior of the isel. 
llvm-svn: 96812
 2010-02-22 22:15:39 +00:00
Chris Lattner 3ac438b920 remove dupes now. 
llvm-svn: 96811
 2010-02-22 22:15:05 +00:00
Chris Lattner 435611200b move #includes earlier. 
llvm-svn: 96810
 2010-02-22 22:14:47 +00:00
Daniel Dunbar 5fe3129a5d 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 ebf57b06ea Minor formatting cleanup. 
llvm-svn: 96808
 2010-02-22 22:07:27 +00:00
Dan Gohman 6eeabaad2b Use Instruction::isCommutative instead of duplicating it. 
llvm-svn: 96807
 2010-02-22 22:05:18 +00:00
Johnny Chen 5ddd4aca97 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 1da9041913 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
Fariborz Jahanian b8f018d1e9 Fixes a rewriting of byref variable when its initializer is 
itself rewritten. Radar 7669784.

llvm-svn: 96798
 2010-02-22 20:48:10 +00:00
Dan Gohman be24c455c4 Actually enable the -enable-unsafe-fp-math tests. 
llvm-svn: 96796
 2010-02-22 18:53:26 +00:00
Johnny Chen 9d4a3e2a7c 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
Douglas Gregor 2b76dd9a9e Don't assert that we have a valid access specifier on an invalid 
declaration. This is the trivial part of PR6365.

llvm-svn: 96792
 2010-02-22 17:53:38 +00:00
Douglas Gregor dd4831794b Set access specifiers on imported declarations. 
llvm-svn: 96788
 2010-02-22 17:42:47 +00:00
Douglas Gregor d28f0412e4 Do not require a complete type when checking for a pointer conversion 
between cv1 T* and cv2 T*.

llvm-svn: 96787
 2010-02-22 17:06:41 +00:00
Douglas Gregor f4f2e0247f Change the name of the vtable-debugging environment variable to 
CLANG_VTABLE_DEBUG.

llvm-svn: 96785
 2010-02-22 16:48:26 +00:00
Douglas Gregor 76eb74a1cd Don't use NamedDecl::getNameAsCString() when dealing with C++ methods, 
since they may not have normal identifiers for names. Fixes PR6369.

llvm-svn: 96784
 2010-02-22 16:44:27 +00:00
Arnold Schwaighofer 30ece5b807 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 260918ce5c Revert "Simplify code: Succ is guaranteed to be not NULL.", which turns out to 
not be guaranteed.

llvm-svn: 96782
 2010-02-22 05:58:59 +00:00
Daniel Dunbar f16bc6d296 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 8c16b38262 Remove unused variables and parameters. 
llvm-svn: 96780
 2010-02-22 04:11:59 +00:00
Dan Gohman 30ff721f09 Fix various doxygen warnings. 
llvm-svn: 96779
 2010-02-22 04:10:52 +00:00
Dan Gohman c1a545c307 Fix a typo in a comment. 
llvm-svn: 96778
 2010-02-22 04:09:26 +00:00
Dan Gohman 754e4a9801 Constant-fold certain comparisons with infinity and negative infinity. 
llvm-svn: 96777
 2010-02-22 04:06:03 +00:00
Dan Gohman bf7b192f44 Rename a variable to avoid a -Wshadow warning. 
llvm-svn: 96776
 2010-02-22 04:04:24 +00:00
Dan Gohman b87de8d30d 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 4506fcb3c2 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
Zhongxing Xu 8064a5ba88 Remove dead code. 
llvm-svn: 96773
 2010-02-22 03:50:18 +00:00
Zhongxing Xu d39620c451 Simplify code: Succ is guaranteed to be not NULL. 
llvm-svn: 96772
 2010-02-22 02:59:27 +00:00
Dan Gohman 740909be2d This cast<Instruction> is unnecessary. 
llvm-svn: 96771
 2010-02-22 02:07:36 +00:00
Chris Lattner b67f16f218 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
Chris Lattner dd1cb5b2ec Add 'previous declaration is here' note for param redefinition 
errors, e.g.:

t.c:1:21: error: redefinition of parameter 'x'
int test(int x, int x);
                    ^
t.c:1:14: note: previous declaration is here
int test(int x, int x);
             ^

llvm-svn: 96769
 2010-02-22 00:40:25 +00:00
Chris Lattner db8d6678e9 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.

llvm-svn: 96768
 2010-02-22 00:28:59 +00:00
Chris Lattner 9fd97c3690 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.

llvm-svn: 96767
 2010-02-21 23:54:05 +00:00
Douglas Gregor 36c569fb33 Eliminate the default arguments to ASTContext::getFunctionType(), 
fixing up a few callers that thought they were propagating NoReturn
information but were in fact saying something about exception
specifications.

llvm-svn: 96766
 2010-02-21 22:15:06 +00:00
Daniel Dunbar 7126183006 Spell string.h correctly. 
llvm-svn: 96765
 2010-02-21 22:14:52 +00:00
Daniel Dunbar 65927014a9 Add missing include, noticed by ace2001ac on IRC. 
llvm-svn: 96764
 2010-02-21 22:07:42 +00:00
Daniel Dunbar 40eb7f0991 MC/X86: Add stub AsmBackend. 
llvm-svn: 96763
 2010-02-21 21:54:14 +00:00
Daniel Dunbar 3bea9bfa04 MC: Sketch registry support for target specific assembler backends. 
llvm-svn: 96762
 2010-02-21 21:53:53 +00:00
Daniel Dunbar dc95c69662 Formatting tweaks (trailing whitespace, ordering, comments). 
llvm-svn: 96761
 2010-02-21 21:53:37 +00:00
Daniel Dunbar 43b464cfe5 Remove unused includes. 
llvm-svn: 96760
 2010-02-21 21:47:19 +00:00
Douglas Gregor 6122e55813 De-XFAIL some win32 tests that are now passing 
llvm-svn: 96759
 2010-02-21 20:58:24 +00:00
Chris Lattner 26c79d13f2 fix an odd thinko in an assertion, all arm tests pass now. 
llvm-svn: 96758
 2010-02-21 20:57:28 +00:00
Chris Lattner 2bad7b0456 Always emit register class id references as i32 like 
DAGISelEmitter does.  This fixes 11 arm failures (8 
left).

llvm-svn: 96757
 2010-02-21 20:53:45 +00:00
Chris Lattner 745219ea64 add some no-unwinds, other minor cleanups. 
llvm-svn: 96756
 2010-02-21 20:33:20 +00:00
Anton Korobeynikov 31a9212b0b 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.

llvm-svn: 96755
 2010-02-21 20:28:15 +00:00
Douglas Gregor e61e24a5e3 Attempt to fix the MSVC9 failure with c-indext-test, where the CIndex DLL 
and the c-index-test executable end up getting different copies	of
stderr, causing	non-deterministic ordering of output. Fixed by
flushing the file after printing a diagnostic (only on Windows).

llvm-svn: 96754
 2010-02-21 20:15:42 +00:00
Chris Lattner d410fc2cee speculatively teach OPC_CheckValueType and OPC_EmitNode to handle 
MVT::iPTR.

llvm-svn: 96753
 2010-02-21 20:15:25 +00:00