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Commit Graph

9142 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
d72e82107d Fix small bug in handling instructions with more than one implicitly defined operand.
ProcessImplicitDefs would only mark one operand per instruction with <undef>.
This fixed PR6086.

llvm-svn: 95319
2010-02-04 18:46:28 +00:00
Benjamin Kramer
707c8c5e00 Get the LLVMC tests working with clang++ by removing the problematic CXXFLAG in lit.
llvm-svn: 95318
2010-02-04 18:40:11 +00:00
Chris Lattner
43030eddcd fix a broken archive that was breaking dejagnu only (not lit)
after r95292 

llvm-svn: 95296
2010-02-04 07:11:08 +00:00
Evan Cheng
f5ee7fb571 Re-enable x86 tail call optimization.
llvm-svn: 95295
2010-02-04 06:47:24 +00:00
Eric Christopher
ee4a176739 Temporarily revert this since it appears to have caused a build
failure.

llvm-svn: 95294
2010-02-04 06:41:27 +00:00
Chris Lattner
e43007d443 add support for the sparcv9-*-* target triple to turn on
64-bit sparc codegen.  Patch by Nathan Keynes!

llvm-svn: 95293
2010-02-04 06:34:01 +00:00
Chris Lattner
eabd2085d7 From PR6228:
"Attached patch removes the extra NUL bytes from the output and changes
test/Archive/MacOSX.toc from a binary to a text file (removes
svn:mime-type=application/octet-stream and adds svn:eol-style=native).  I can't
figure out how to get SVN to include the new contents of the file in the patch
so I'm attaching it separately."

Patch by James Abbatiello!

llvm-svn: 95292
2010-02-04 06:19:43 +00:00
Eric Christopher
9b3e42f09e Rework constant expr and array handling for objectsize instcombining.
Fix bugs where we would compute out of bounds as in bounds, and where
we couldn't know that the linker could override the size of an array.

Add a few new testcases, change existing testcase to use a private
global array instead of extern.

llvm-svn: 95283
2010-02-04 02:55:34 +00:00
Victor Hernandez
28f795182c Fix (and test) function-local metadata that occurs before the instruction that it refers to; fix is to not enumerate operands of function-local metadata until after all instructions have been enumerated
llvm-svn: 95269
2010-02-04 01:13:08 +00:00
Eric Christopher
fe6ab1518e If we're dealing with a zero-length array, don't lower to any
particular size, we just don't know what the length is yet.

llvm-svn: 95266
2010-02-03 23:56:07 +00:00
Dale Johannesen
c413673047 This test passes now on ppc darwin; if it doesn't pass
on some other ppc say something on the list.

llvm-svn: 95265
2010-02-03 22:33:17 +00:00
Dale Johannesen
0a85fd105b This test passes now on ppc darwin, so reenable it.
llvm-svn: 95264
2010-02-03 22:29:02 +00:00
Dale Johannesen
ddc82307fa Debugging is now reenabled on PPC darwin, so reenable
these tests (they pass).

llvm-svn: 95263
2010-02-03 22:24:49 +00:00
Evan Cheng
5c8b1b9164 Speculatively disable x86 automatic tail call optimization while we track down a self-hosting issue.
llvm-svn: 95259
2010-02-03 21:40:40 +00:00
Evan Cheng
ccbbdfa8c4 Make test less fragile
llvm-svn: 95258
2010-02-03 21:39:04 +00:00
Kevin Enderby
57859abd72 Added support for X86 instruction prefixes so llvm-mc can assemble them. The
Lock prefix, Repeat string operation prefixes and the Segment override prefixes.
Also added versions of the move string and store string instructions without the
repeat prefixes to X86InstrInfo.td. And finally marked the rep versions of
move/store string records in X86InstrInfo.td as isCodeGenOnly = 1 so tblgen is
happy building the disassembler files.

llvm-svn: 95252
2010-02-03 21:04:42 +00:00
Daniel Dunbar
37b3f25e19 Add llvm_supports_darwin_and_target to DejaGNU as well, I'd almost forgotten it
ever existed. :)

llvm-svn: 95230
2010-02-03 18:43:46 +00:00
Evan Cheng
e273e42195 Revert 94937 and move the noreturn check to codegen.
llvm-svn: 95198
2010-02-03 03:55:59 +00:00
Evan Cheng
d9cf09b0d6 Allow all types of callee's to be tail called. But avoid automatic tailcall if the callee is a result of bitcast to avoid losing necessary zext / sext etc.
llvm-svn: 95195
2010-02-03 03:28:02 +00:00
Dale Johannesen
1e9d147461 Reapply 95050 with a tweak to check the register class.
llvm-svn: 95183
2010-02-03 01:40:33 +00:00
Chris Lattner
2b798aafd0 make these less sensitive to asm verbose changes by disabling it for them.
llvm-svn: 95175
2010-02-03 00:48:53 +00:00
Eric Christopher
ac28e14b77 Recommit this, looks like it wasn't the cause.
llvm-svn: 95165
2010-02-03 00:21:58 +00:00
Daniel Dunbar
c6f8382263 AsmParser/X86: Add temporary hack to allow parsing "sal". Eventually we need
some mechanism for specifying alternative syntaxes, but I'm not sure what form
that should take yet.

llvm-svn: 95158
2010-02-02 23:46:47 +00:00
Eric Christopher
f070aae6f7 Hopefully temporarily revert this.
llvm-svn: 95154
2010-02-02 23:01:31 +00:00
Chris Lattner
c49053be3f remove the # TAILCALL markers, which was causing the to fail.
It's unclear if the matcher is nondeterminstic of what here,
but I'm getting matches without TAILCALL and some other hosts
are getting matches with it.

llvm-svn: 95149
2010-02-02 22:36:29 +00:00
Eric Christopher
575fe8690d Re-add strcmp and known size object size checking optimization.
Passed bootstrap and nightly test run here.

llvm-svn: 95145
2010-02-02 22:10:43 +00:00
Daniel Dunbar
d01668aaf5 MCAssembler/Darwin: Add a test (on Darwin) that we assemble a bunch of
instructions exactly like 'as', and produce equivalent .o files.

llvm-svn: 95143
2010-02-02 22:00:15 +00:00
Daniel Dunbar
eb0b81040a MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections.
llvm-svn: 95135
2010-02-02 21:44:01 +00:00
Chris Lattner
7c37b4942d this apparently depends on the host somehow.
llvm-svn: 95122
2010-02-02 20:57:28 +00:00
Bill Wendling
3146baa68c XFAIL for PPC Darwin.
llvm-svn: 95121
2010-02-02 20:56:02 +00:00
Chris Lattner
136eeef6b6 disable this test for now.
llvm-svn: 95120
2010-02-02 20:41:39 +00:00
Kevin Enderby
a10566900d Added another version of the X86 assembler matcher test case.
This test case is different subset of the full auto generated test case, and a
larger subset that is in x86_32-bit.s (that set will encode correctly).  These
instructions can pass though llvm-mc as it were a logical cat(1) and then
reassemble to the same instruction.  It is useful as we bring up the parser and
matcher so we don't break things that currently work.

llvm-svn: 95107
2010-02-02 19:05:57 +00:00
Dale Johannesen
08ab638bdc Test revert 95050; there's a good chance it's causing
buildbot failure.

llvm-svn: 95103
2010-02-02 18:52:56 +00:00
Chris Lattner
9f50341a96 don't turn (A & (C0?-1:0)) | (B & ~(C0?-1:0)) -> C0 ? A : B
for vectors.  Codegen is generating awful code or segfaulting
in various cases (e.g. PR6204).

llvm-svn: 95058
2010-02-02 02:43:51 +00:00
Chris Lattner
e471d94f91 fix a crash in loop unswitch on a loop invariant vector condition.
llvm-svn: 95055
2010-02-02 02:26:54 +00:00
Chris Lattner
5371fc3f06 remove an unreduced testcase, rename another.
llvm-svn: 95054
2010-02-02 02:23:37 +00:00
Evan Cheng
fac0fdc6a0 Perform sibcall in some cases when arguments are passes memory. Look for cases
where callee's arguments are already in the caller's own caller's stack and
they line up perfectly. e.g.

extern int foo(int a, int b, int c);

int bar(int a, int b, int c) {
  return foo(a, b, c);
}

llvm-svn: 95053
2010-02-02 02:22:50 +00:00
Dale Johannesen
a20fc3d1a9 Make local RA smarter about reusing input register of a copy
as output.  Needed for (functional) correctness in inline asm,
and should be generally beneficial.  7361612.

llvm-svn: 95050
2010-02-02 02:08:02 +00:00
Dan Gohman
dd6702be8f Factor out alignof expression folding into a separate function and
generalize it to handle more cases.

llvm-svn: 95045
2010-02-02 01:41:39 +00:00
Dale Johannesen
893435a736 Testcase for 94996 (PR 6157)
llvm-svn: 95021
2010-02-01 22:46:05 +00:00
Evan Cheng
efa391da81 Fix PR6196. GV callee may not be a function.
llvm-svn: 95017
2010-02-01 22:40:09 +00:00
Evan Cheng
b91a142542 Add test case for 95013.
llvm-svn: 95014
2010-02-01 22:32:42 +00:00
Chris Lattner
18e6b4eb6b fix PR6195, a bug constant folding scalar -> vector compares.
llvm-svn: 94997
2010-02-01 20:04:40 +00:00
Chris Lattner
8e4042108e fix PR6197 - infinite recursion in ipsccp due to block addresses
evaluateICmpRelation wasn't handling blockaddress.

llvm-svn: 94993
2010-02-01 19:35:08 +00:00
Dan Gohman
7b3c210a47 Update this test for a trivial register allocation difference.
llvm-svn: 94989
2010-02-01 19:00:32 +00:00
Dan Gohman
0b2c2769ba Generalize target-independent folding rules for sizeof to handle more
cases, and implement target-independent folding rules for alignof and
offsetof. Also, reassociate reassociative operators when it leads to
more folding.

Generalize ScalarEvolution's isOffsetOf to recognize offsetof on
arrays. Rename getAllocSizeExpr to getSizeOfExpr, and getFieldOffsetExpr
to getOffsetOfExpr, for consistency with analagous ConstantExpr routines.

Make the target-dependent folder promote GEP array indices to
pointer-sized integers, to make implicit casting explicit and exposed
to subsequent folding.

And add a bunch of testcases for this new functionality, and a bunch
of related existing functionality.

llvm-svn: 94987
2010-02-01 18:27:38 +00:00
Chris Lattner
5f10919836 fix rdar://7590304, a miscompilation of objc apps on arm. The caller
of objc message send was getting marked arm_apcscc, but the prototype
isn't.  This is fine at runtime because objcmsgsend is implemented in
assembly.  Only turn a mismatched caller and callee into 'unreachable'
if the callee is a definition.

llvm-svn: 94986
2010-02-01 18:11:34 +00:00
Chris Lattner
a336497d3f fix rdar://7590304, an infinite loop in instcombine. In the invoke
case, instcombine can't zap the invoke for fear of changing the CFG.
However, we have to do something to prevent the next iteration of
instcombine from inserting another store -> undef before the invoke
thereby getting into infinite iteration between dead store elim and
store insertion.

Just zap the callee to null, which will prevent the next iteration
from doing anything.

llvm-svn: 94985
2010-02-01 18:04:58 +00:00
Evan Cheng
dcc1816642 Undo r94946 now all the tests are passing again.
llvm-svn: 94970
2010-02-01 02:13:39 +00:00
Evan Cheng
b5f97d871c Avoid recursive sibcall's.
llvm-svn: 94946
2010-01-31 06:44:49 +00:00