Commit Graph

32249 Commits

Author SHA1 Message Date
Chris Lattner
1c90c6f1c5 Eliminate AsmPrinter::EmitExternalGlobal, inlining its (now)
one implementation into its one caller.  This eliminates a totally
awesome and gratuitous hack where we casted a Function* to 
GlobalVariable*.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:17:39 +00:00
Bob Wilson
1633076c47 Neon does not support vector divide or remainder. Expand them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81966 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:17:28 +00:00
Chris Lattner
8deedba841 eliminate the PPC backend's implementation of EmitExternalGlobal
and use PersonalityPrefix/Suffix to achieve the same effect (like
the x86 backend).

This changes the code generated for ppc static mode, but guess what,
we were generating this before:

	.byte	0x9B                                        ; Personality (indirect pcrel sdata4)
	.long	___gxx_personality_v0-.                     ; Personality

which is not correct! (it is not an 'indirect' reference).
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81965 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:14:19 +00:00
Chris Lattner
334fd1f259 eliminate the horrid AsmPrinter::getGlobalLinkName method, inlining
it into all of its call sites and simplifying them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:08:41 +00:00
Chris Lattner
58665d47ae simplify some code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:08:07 +00:00
Bob Wilson
74dc72e89b Expand all v2f64 arithmetic operations for Neon.
Radar 7200803.  (This should also fix the
SingleSource/UnitTests/Vector/sumarray-dbl test.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81959 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 23:55:57 +00:00
Sean Callanan
356aed540c Added far return instructions (that is, returns to
code in other segments) to the Intel instruction
tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 23:37:51 +00:00
Chris Lattner
bfd1e50c4f remove some horrible MAI hooks which fortunately turn out to be always empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81946 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 23:11:32 +00:00
Chris Lattner
f60d3eb186 strength reduce a call to PrintRelDirective(true).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 22:58:35 +00:00
Chris Lattner
a70e2e3d48 add hooks to hang target-specific goop off MachineModuleInfo,
move MachineFunctionInfo virtual method out of line to give it
a home.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 22:44:26 +00:00
Nate Begeman
40fe16fada Do not add the SVOffset to the Node CSE ID. The same pointer argument cannot have different
SVOffsets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81937 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 22:30:11 +00:00
Eric Christopher
ec26bf7d44 Expand on comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 21:56:46 +00:00
Sean Callanan
62c28e3f91 Updated comments per Eli's suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81923 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 21:43:27 +00:00
Sean Callanan
37be5903a6 Added register-to-register ADD instructions to the
Intel tables, where the source operand is
specified by the R/M field and the destination
operand by the Reg field.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81914 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 20:53:57 +00:00
Daniel Dunbar
c8213b7827 Drop the raw_ostream required buffer size to 1.
- As best I can tell, we have eliminated all the code which used to require a
   larger buffer size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81912 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 20:31:46 +00:00
Daniel Dunbar
504f9a61e6 Fix -Asserts warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81909 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 20:31:12 +00:00
Nate Begeman
101b25c028 Better solution for tracking both the original alignment of the access, and the current alignment based
on the source value offset.  This avoids increasing the size of mem nodes. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 19:05:41 +00:00
Sean Callanan
38fee0edcf Added a new register class for segment registers
to the Intel register table.
Added 16- and 64-bit MOVs to and from the segment
registers to the Intel instruction tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 18:47:29 +00:00
Dale Johannesen
7d1a7c0417 Change the marker byte for stubs from 0xcd to 0xce (another form of
interrupt instruction, which shouldn't arise any other way).  0xcd is
also used by JITMemoryManager to initialize the buffer to garbage,
which means it could appear following a noreturn call even when
that is not a stub, confusing X86CompilationCallback2.  PR 4929.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 18:32:14 +00:00
Chris Lattner
dffb6e5aee fix PR4984 by ensuring that fastisel adds properly sign extended GEP displacement
values to machineinstrs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81886 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 18:27:02 +00:00
Chris Lattner
ea7fd96698 add missing file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81881 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 18:03:13 +00:00
Bob Wilson
e4863f4759 Handle AddrMode4 for Thumb2 in rewriteT2FrameIndex. This occurs for
VLDM/VSTM instructions, and without this check, the code assumes that an
offset is allowed, as it would be with VLDR/VSTR.  The asm printer,
however, silently drops the offset, producing incorrect code.  Since the
address register in this case is either the stack or frame pointer, the
spill location ends up conflicting with some other stack slot or with
outgoing arguments on the stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81879 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 17:56:18 +00:00
Sandeep Patel
85111a9c07 Fix superreg use in ARMAsmPrinter. Approved by Anton Korobeynikov.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 17:53:11 +00:00
Chris Lattner
db486a6d53 several major improvements to the sparc backend: support for weak linkage
and PIC codegen.  Patch by Venkatraman Govindaraju!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 17:46:24 +00:00
Dan Gohman
307a7c48f1 Teach ValueTracking how to look through GlobalAliases. GlobalAliases are
not folded in the constant folder because the constant folder doesn't
simplify ConstantExpr operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 16:14:44 +00:00
Dan Gohman
f672ab89ec Fix an accidental inversion of the inbounds flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81862 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 16:00:30 +00:00
Dan Gohman
e3394d4a49 When a constant's type is refined, update the constant in place
instead of cloning and RAUWing it.

 - Make AbstractTypeUser a friend of Value so that it can offer
   its subclasses a way to update a Value's type in place. This
   is better than a universally visible setType method on Value,
   and it's sufficient for the immediate need.

 - Eliminate the constant "convert" functions. This eliminates a
   lot of logic duplication, and fixes a complicated bug where a
   constant can't actually be cloned during the type refinement
   process because some of the types that its folder needs are
   half-destroyed, being in the middle of refinement themselves.

 - Move the getValType functions from being static overloaded
   functions in Constants.cpp to be members of class template
   specializations in ConstantsContext.h. This means that the
   code ends up getting instantiated twice, however it also
   makes it possible to eliminate all "convert" functions, so
   it's not a big net code size increase. And if desired, the
   duplicate instantiations could be eliminated with some
   reorganization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81861 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 15:58:07 +00:00
Nick Lewycky
59136251f3 Add more newlines to make up for the ones removed from the end of instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 07:08:25 +00:00
Evan Cheng
3f85549f4d Another try at early partial coalescing. Identity phi source copies (their sources are defined by phi join def) are coalesced. And the phi join copy is backward copy propagated into the other copies.
Still miscompiling some tests. :-(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 06:45:16 +00:00
Nick Lewycky
1fbb13e4fa Forbid arrays of function-type and structures with function-typed fields.
While I'm there, change code that does:
  SomeTy == Type::getFooType(Context)
into:
  SomeTy->getTypeID() == FooTyID
to decrease the amount of useless type creation which may involve locking, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 06:28:26 +00:00
Chris Lattner
dd4238e04d fix PR4963: folding insertvalue would sometimes turn a packed struct into
an unpacked one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81845 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 06:28:12 +00:00
Chris Lattner
a51c39cc32 add a new CallGraphNode::replaceCallEdge method and use it from
argpromote to avoid invalidating an iterator.  This fixes PR4977.
All clang tests now pass with expensive checking (on my system 
at least).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81843 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 05:40:35 +00:00
Chris Lattner
ff1147072a add newline to debug dump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 05:14:57 +00:00
Chris Lattner
9554c61328 make -debug-pass=Executions show information about what call graph nodes
are in the SCC for each execution of a CGSCC pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 05:03:04 +00:00
Chris Lattner
745c9be986 add some missing quotes in debug output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81836 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 04:45:26 +00:00
Ted Kremenek
83d255e43e Remove invalid add_dependencies line to unbreak the CMake build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 04:06:36 +00:00
Mikhail Glushenkov
6db0e3a981 Get rid of GetProcessId in Win32/Program.inc.
GetProcessId was introduced only in XP. As a bonus, this change makes Program
objects copyable, since Program is now basically a PID.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81826 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 03:39:45 +00:00
Dan Gohman
1e038a8494 Don't pull a load through a callseq_start if the load's chain
has multiple uses, as one of the other uses may be on a path
to a different node above the callseq_start, because that
leads to a cyclic graph. This problem is exposed when
-combiner-global-alias-analysis is used. This fixes PR4880.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81821 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 01:22:01 +00:00
Nate Begeman
71524d716a Remove incorrect CSE code from r81813.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81819 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:38:09 +00:00
Sean Callanan
76f14be685 Modified the Intel instruction tables to include
versions of CALL and JMP with segmented addresses
provided in-line, as pairs of immediates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81818 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:35:17 +00:00
Kevin Enderby
ca9c42c4da Added the first bits of the ARM target assembler to llvm-mc. For now it only
parses the .word directive as 4 bytes and ARMAsmParser::ParseInstruction will
give an error is called.  Broke out the test of the .word directive into two
different test cases, one for x86 and one for arm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:27:25 +00:00
Nate Begeman
b6aef5c867 Substantially speed up combiner-aa in the following ways:
1. Switch from an std::set to a SmallPtrSet for visited chain nodes.
2. Do not force the recursive flattening of token factor nodes, regardless of
   use count.
3. Immediately process newly created TokenFactor nodes.

Also, improve combiner-aa by teaching it that loads to non-overlapping offsets
of relatively aligned objects cannot alias.

These changes result in a >5x speedup for combiner-aa on most testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81816 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:18:30 +00:00
Nate Begeman
9cae7053c0 Teach the legalizer to propagate the original alignment of loads and store when
it splits them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81815 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:14:28 +00:00
Dan Gohman
907355caf8 On x86-64, the 32-bit cmov doesn't actually clear the high 32-bit of
its result if the condition is false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:14:11 +00:00
Nate Begeman
e6798372ea Add an "original alignment" field to load and store nodes. This enables the
DAG Combiner to disambiguate chains for loads and stores of types which are
 broken up by the Legalizer into smaller pieces.  


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81813 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 00:13:12 +00:00
Dan Gohman
264d245851 When extending a memset range past the front, set the alignment of the
memset region to the alignment of the new start address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81810 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 23:39:10 +00:00
Evan Cheng
752195e3c6 Add early coalescing to liveintervals. This is work in progress and is known to miscompute some tests. Read it at your own rish, I have aged 10 year while writing this.
The gist of this is if source of some of the copies that feed into a phi join is defined by the phi join, we'd like to eliminate them. However, if any of the non-identity source overlaps the live interval of the phi join then the coalescer won't be able to coalesce them. The early coalescer's job is to eliminate the identity copies by partially-coalescing the two live intervals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 21:33:42 +00:00
Bill Wendling
43488710a8 Pull the creation of the "RewindFunction" function out of the loop. It's only
created once, so shouldn't be stuck in the middle of the loop. Also early exit
if there are no uses of UnwindInst in the function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81785 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 20:52:37 +00:00
Jim Grosbach
a672403993 trivial whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 17:27:35 +00:00
Chris Lattner
c2b0d484dc add PR#
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81770 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 16:49:26 +00:00