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22862 Commits

Author SHA1 Message Date
Dan Gohman
499c1bd358 Correct the SrcValue information in the Expand code for va_copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49839 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-17 02:09:26 +00:00
Scott Michel
5788bca1c2 Remove unused variable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49838 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-17 01:30:44 +00:00
Evan Cheng
621d157676 Fix a sub-register indice propagation bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49832 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-17 00:06:42 +00:00
Scott Michel
4bf393a13e Workaround for PR2207, in which pred_iterator assert gets triggered due to a 
wee problem in Xcode 2.[45]/gcc 4.0.1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49831 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 23:46:39 +00:00
Evan Cheng
03eb38848c Don't forget about sub-register indices when rematting instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49830 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 23:44:44 +00:00
Dale Johannesen
5e8fb81353 Unbreak build on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49822 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 22:24:33 +00:00
Nicolas Geoffray
51cc3c13ea Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function 
the stub will resolve.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 20:46:05 +00:00
Evan Cheng
9c1e06e187 After reading memory that's already freed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49810 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 20:24:25 +00:00
Nicolas Geoffray
52e724ad7e Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49809 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 20:10:13 +00:00
Evan Cheng
dc00858e11 Initialize X863DNowLevel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49808 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 19:03:02 +00:00
Evan Cheng
ff7a3e557e Fix PR2226. Avoid using uninitialized variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49807 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 18:48:43 +00:00
Evan Cheng
76249966ee Empty basic block should have an empty range. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49800 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 18:01:08 +00:00
Dale Johannesen
48325f4b08 Don't read off end of the input array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49799 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 17:31:41 +00:00
Roman Levenstein
9cac5259fe Ongoing work on improving the instruction selection infrastructure: 
Rename SDOperandImpl back to SDOperand.
Introduce the SDUse class that represents a use of the SDNode referred by
an SDOperand. Now it is more similar to Use/Value classes.

Patch is approved by Dan Gohman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49795 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 16:15:27 +00:00
Evan Cheng
0d4bdde327 Rewrite LiveVariable liveness computation. The new implementation is much simplified. It eliminated the nasty recursive routines and removed the partial def / use bookkeeping. There is also potential for performance improvement by replacing the conservative handling of partial physical register definitions. The code is currently disabled until live interval analysis is taught of the name scheme. 
This patch also fixed a couple of nasty corner cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49784 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 09:46:40 +00:00
Evan Cheng
9b6d7b9fb3 Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49783 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 09:41:59 +00:00
Owen Anderson
1f23e16319 Major repairs to the post-dominators implementation. Patch from Florian Brandner! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49768 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 04:21:16 +00:00
Dan Gohman
171c11ec93 Add support for the form of the SSE41 extractps instruction that 
puts its result in a 32-bit GPR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49762 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 02:32:24 +00:00
Dan Gohman
bcda285fcc Recreate the size SDNode instead of reusing the old one in the x86 
memcpy lowering code; this ensures that the size node has the desired
result type. This fixes a regression from r49572 with @llvm.memcpy.i64
on x86-32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 01:32:32 +00:00
Evan Cheng
d94950c473 Avoid read after free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 01:22:28 +00:00
Dan Gohman
302cd54299 Remove X86_64SRet; it isn't used anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49759 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 00:24:30 +00:00
Dan Gohman
a630f4ed91 Add movd instructions to move from MMX registers 
to 64-bit GPR registers on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49757 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 23:55:07 +00:00
Dan Gohman
5a2d335c4c Fix the new scheduler assertion checks to work when 
the scheduler has inserted no-ops. This fixes
the 2006-07-03-schedulers.ll regression on ppc32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49747 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 22:40:14 +00:00
Chuck Rose III
cc51c31953 VisualStudio project files updated. #include <algorithm> added to make VisualStudio happy. Also had to undefine setjmp because of #include <csetjmp> turning setjmp into _setjmp in VisualStudio. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49743 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 21:27:11 +00:00
Dale Johannesen
21d31a8d94 Don't assume a tail call can't reference a byval 
argument to the outer function, this isn't correct.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49731 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 17:41:34 +00:00
Dan Gohman
b11af0db2e Use gv's --spartan option, which trades away an extra row of UI buttons 
for more space for displaying the graph.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49730 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 17:27:05 +00:00
Nicolas Geoffray
6ccbbd8990 Change Divided flag to Split, as suggested by Evan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49715 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 08:08:50 +00:00
Dan Gohman
80792f3dde Treat EntryToken nodes as "passive" so that they aren't added to the 
ScheduleDAG; they don't correspond to any actual instructions so they
don't need to be scheduled.

This fixes a bug where the EntryToken was being scheduled multiple
times in some cases, though it ended up not causing any trouble because 
EntryToken doesn't expand into anything. With this fixed the schedulers
reliably schedule the expected number of units, so we can check this
with an assertion.

This requires a tweak to test/CodeGen/X86/loop-hoist.ll because it
ends up getting scheduled differently in a trivial way, though it was
enough to fool the prcontext+grep that the test does.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 01:22:18 +00:00
Dan Gohman
89bf0a6b05 In -view-sunit-dags, display "special" chain dependencies as cyan 
instead of blue to distinguish them from regular dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 23:15:07 +00:00
Dan Gohman
0a9371de6d Remove unnecessary <sstream> includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49681 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 20:40:47 +00:00
Dan Gohman
b91c89dfb9 Avoid creating MERGE_VALUES nodes for single values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 18:43:25 +00:00
Dan Gohman
235fc57ef2 Teach AliasSetTracker about VAArgInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 18:34:50 +00:00
Dan Gohman
4a9a3e5374 Minor whitespace and comment cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49671 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 18:26:16 +00:00
Dan Gohman
f7b37b2d0e In the special case, call the comparison function instead of 
manually performing the comparison. This allows the special
case to work correctly even in the case where someone is
experimenting with a different comparison function :-).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49670 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 18:23:56 +00:00
Dan Gohman
29e4bdbf27 Fix const-correctness issues with the SrcValue handling in the 
memory intrinsic expansion code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49666 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 17:55:48 +00:00
Dale Johannesen
3541af73b6 Reverse sense of unwind-tables option. This means 
stack tracebacks on Darwin x86-64 won't work by default;
nevertheless, everybody but me thinks this is a good idea.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49663 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 17:54:17 +00:00
Owen Anderson
6bc41e8a74 Revert r49614. As Dan pointed out, some of these aren't correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 17:38:21 +00:00
Nicolas Geoffray
9701c8a18f Fix /test/CodeGen/PowerPC/big-endian-actual-args.ll for linux/ppc32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49652 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 17:17:14 +00:00
Dan Gohman
d660f973dc VAArg may trap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49646 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 15:07:08 +00:00
Duncan Sands
ddc016cc85 Initial libcall support for LegalizeTypes. This is 
much simpler than in LegalizeDAG because calls are
not yet expanded into call sequences: that happens
after type legalization has finished.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49634 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 06:48:48 +00:00
Chris Lattner
75caee2419 add a new CallGraphNode::removeCallEdgeFor method, tidy some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49617 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 19:41:25 +00:00
Owen Anderson
386ea355e7 Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2), 
which is significantly more efficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49614 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 19:15:17 +00:00
Duncan Sands
4a6da60787 LegalizeTypes can sometimes have deleted nodes 
in its maps.  Add some sanity checks that catch
this kind of thing.  Hopefully these can be
removed one day (once all problems are fixed!)
but for the moment it seems wise to have them in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49612 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 16:04:03 +00:00
Nicolas Geoffray
c0cb28fd3a Add a divided flag for the first piece of an argument divided into mulitple parts. Fixes PR1643 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49611 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 13:40:22 +00:00
Chris Lattner
3b37448904 Fix some serious logic errors that broke the jit on darwin/x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49606 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 07:04:56 +00:00
Duncan Sands
89f6d88db3 Merge LLVMBuilder and FoldingBuilder, calling 
the result IRBuilder.  Patch by Dominic Hamon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49604 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 06:22:09 +00:00
Chris Lattner
86941611c9 Gabor points out that reserveOperandSpace takes # of values, 
not # of operands as an input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49599 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-13 00:14:42 +00:00
Anton Korobeynikov
78c80fdbdd Provide option for stack alignment override 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49593 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-12 22:12:22 +00:00
Arnold Schwaighofer
4b5324ad2c This patch corrects the handling of byval arguments for tailcall 
optimized x86-64 (and x86) calls so that they work (... at least for
my test cases).

Should fix the following problems:

Problem 1: When i introduced the optimized handling of arguments for
tail called functions (using a sequence of copyto/copyfrom virtual
registers instead of always lowering to top of the stack) i did not
handle byval arguments correctly e.g they did not work at all :).

Problem 2: On x86-64 after the arguments of the tail called function
are moved to their registers (which include ESI/RSI etc), tail call
optimization performs byval lowering which causes xSI,xDI, xCX
registers to be overwritten. This is handled in this patch by moving
the arguments to virtual registers first and after the byval lowering
the arguments are moved from those virtual registers back to
RSI/RDI/RCX.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49584 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-12 18:11:06 +00:00
Duncan Sands
460a14e09c Factor some libcall code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49583 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-12 17:14:18 +00:00