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8724 Commits

Author SHA1 Message Date
Evan Cheng
012397489b Add nounwind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86814 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 07:11:02 +00:00
Chris Lattner
f1e9cf5020 remove condprop testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86804 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 05:25:16 +00:00
Daniel Dunbar
95470b73ba Add missing run line. Devang, please check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86795 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 03:10:03 +00:00
Bill Wendling
5606ec894e Fix test to work on every platform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86786 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 01:44:22 +00:00
Bill Wendling
13f6135742 Fix test to work on every platform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86785 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 01:41:32 +00:00
Devang Patel
3bbc9b4590 XFAIL for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86784 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 01:41:10 +00:00
Bill Wendling
ee161a6824 Make sure that the exception handling data has the same visibility as the 
function it's generated for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 01:24:59 +00:00
Devang Patel
39ae3ff6d1 Do not assume first function scope seen represents current function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86771 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 00:31:36 +00:00
Chris Lattner
2b9024c877 oops, didn't mean to commit this, no harm, but add a todoops, didn't mean to commit this, no harm, but add a todoo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 00:27:54 +00:00
Chris Lattner
10f2d13d58 Stub out a new lazy value info pass, which will eventually 
vend value constraint information to the optimizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 00:22:30 +00:00
Devang Patel
2f105c6e18 While creating DbgScopes, do not forget parent scope. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86763 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 00:18:40 +00:00
Evan Cheng
f40888dc9b Block terminator may be a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 00:00:21 +00:00
Bill Wendling
6b41aba7ce Test this on Darwin only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86752 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 23:18:33 +00:00
Dale Johannesen
9a645cd9d4 Emit correct code when making a ConstantPool entry for a vector 
constant whose component type is not a legal type for the target.
(If the target ConstantPool cannot handle this type either, it has
an opportunity to merge elements.  In practice any target with
8-bit bytes must support i8 *as data*).  7320806 (partial).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86751 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 23:16:41 +00:00
Chris Lattner
055d046f48 implement a TODO by teaching jump threading about "xor x, 1". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 22:39:16 +00:00
Bill Wendling
b19a5e9be6 Modify how the prologue encoded the "move" information for the FDE. GCC 
generates a sequence similar to this:

__Z4funci:
LFB2:
        mflr r0
LCFI0:
        stmw r30,-8(r1)
LCFI1:
        stw r0,8(r1)
LCFI2:
        stwu r1,-80(r1)
LCFI3:
        mr r30,r1
LCFI4:

where LCFI3 and LCFI4 are used by the FDE to indicate what the FP, LR, and other
things are. We generated something more like this:

Leh_func_begin1:
        mflr r0
        stw r31, 20(r1)
        stw r0, 8(r1)
Llabel1:
        stwu r1, -80(r1)
Llabel2:
        mr r31, r1

Note that we are missing the "mr" instruction. This patch makes it more like the
GCC output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 22:14:04 +00:00
Chris Lattner
103f2434b8 fix a crash in SCCP handling extractvalue of an array, pointed out and 
tracked down by Stephan Reiter!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86726 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 22:02:09 +00:00
Chris Lattner
f3183f6da6 Make jump threading eliminate blocks that just contain phi nodes, 
debug intrinsics, and an unconditional branch when possible.  This
reuses the TryToSimplifyUncondBranchFromEmptyBlock function split
out of simplifycfg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86722 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 21:40:01 +00:00
Evan Cheng
81ebdcf7dd Generalize lsr code that optimize loop to count down towards zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 21:14:05 +00:00
Dan Gohman
14bbbf3168 Optimize test more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 21:02:18 +00:00
Duncan Sands
710c37c494 Teach DSE to eliminate useless trampolines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86683 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 13:49:50 +00:00
Victor Hernandez
8e345a1c41 Update computeArraySize() to use ComputeMultiple() to determine the array size associated with a malloc; also extend PerformHeapAllocSRoA() to check if the optimized malloc's arg had its highest bit set, so that it is safe for ComputeMultiple() to look through sext instructions while determining the optimized malloc's array size 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86676 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 08:32:25 +00:00
Chris Lattner
8fb02511d2 optimize test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 07:44:36 +00:00
Chris Lattner
c22d4d1500 unify the code that determines whether it is a good idea to change the type 
of a computation.  This fixes some infinite loops when dealing with TD that
has no native types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86670 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 07:23:37 +00:00
Nick Lewycky
58571d663c Reapply r86359, "Teach dead store elimination that certain intrinsics write to 
memory just like a store" with bug fixed (partial-overwrite.ll is the
regression test).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86667 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 06:46:40 +00:00
Chris Lattner
fddcf47a24 make jump threading recursively simplify expressions instead of doing it 
just one level deep.  On the testcase we go from getting this:

F1:                                               ; preds = %T2
  %F = and i1 true, %cond                         ; <i1> [#uses=1]
  br i1 %F, label %X, label %Y

to a fully threaded:

F1:                                               ; preds = %T2
  br label %Y


This changes gets us to the point where we're forming (too many) switch 
instructions on doug's strswitch testcase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 01:57:31 +00:00
Dan Gohman
7dd126cf4f Trim a bunch of unneeded code from this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 01:33:08 +00:00
Mike Stump
75adb32c60 Add testcase for recent checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86620 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 23:10:49 +00:00
Jim Grosbach
3f51147d44 Update test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86614 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 22:59:01 +00:00
Dan Gohman
f75ef668a7 Default-addressspace null pointers don't alias anything. This allows 
GVN to be more aggressive. Patch by Hans Wennborg! (with a comment added by me)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86582 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 19:29:11 +00:00
Dan Gohman
f6572d0aa2 Generalize LCSSA to handle loops with exits with predecessors outside 
the loop. This is needed because with indirectbr it may not be possible
for LoopSimplify to guarantee that all loop exit predecessors are
inside the loop. This fixes PR5437.

LCCSA no longer actually requires LoopSimplify form, but for now it
must still have the dependency because the PassManager doesn't know
how to schedule LoopSimplify otherwise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86569 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 18:28:24 +00:00
Daniel Dunbar
75657ade45 Use ',' separation in XFAILs, lit doesn't evaluate them as regexs (easy to add, 
but might as well use the more standard syntax).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 16:38:15 +00:00
Chris Lattner
7e606e2e98 if a 'with overflow' intrinsic just has the normal result used, simplify 
it to a normal binop.  Patch by Alastair Lynn, testcase by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86524 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 07:07:56 +00:00
Chris Lattner
dd21a1cba4 enhance PHI slicing to handle the case when a slicable PHI is begin 
used by a chain of other PHIs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86503 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 01:38:00 +00:00
Owen Anderson
b05a1d116f Revert my previous patch to ABCD and fix things the right way. There are two problems addressed 
here:

1) We need to avoid processing sigma nodes as phi nodes for constraint generation.
2) We need to generate constraints for comparisons against constants properly.

This includes our first working ABCD test!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 00:44:44 +00:00
Jim Grosbach
e5165490b7 Use Unified Assembly Syntax for the ARM backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 00:11:35 +00:00
Chris Lattner
bf382b5f74 Teach an instcombine to not pull trunc instructions through PHI nodes 
when both the source and dest are illegal types, since it would cause
the phi to grow (for example, we shouldn't transform test14b's phi to
a phi on i320).  This fixes an infinite loop on i686 bootstrap with
phi slicing turned on, so turn it back on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 21:20:06 +00:00
Chris Lattner
9956c056c1 reapply r8644[3-5] with only the scary part 
(SliceUpIllegalIntegerPHI) disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 19:23:30 +00:00
Daniel Dunbar
d11a7c3b03 Speculatively revert r8644[3-5], they seem to be leading to infinite loops in 
llvm-gcc bootstrap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 17:52:47 +00:00
Anton Korobeynikov
f0b47b7f6d Add and-not (bic) patterns. Based heavily on patch by Brian Lucas! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 15:33:12 +00:00
Anton Korobeynikov
52f28e9b63 Fix invalid operand updates & implement post-inc memory operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86466 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 14:27:38 +00:00
Anton Korobeynikov
c2fd919ea2 It is invalid to infer the value type from the result #0 of the node 
since the instruction might use the other result of different type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86462 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 12:14:54 +00:00
Daniel Dunbar
4080d10b4b Two small fixes for site.exp for cmake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:29:52 +00:00
Daniel Dunbar
5ed7be1a40 Derive the right paths to use during testing instead of passing it in via make. 
Also, fix a few other details of the cmake test target and rename it to
'check'. CMake tests now work for the most part, but there are a handful of
failures left due to missing site.exp bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86452 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:08:00 +00:00
Daniel Dunbar
fb4fb6ddb0 Switch to using 'lit.site.cfg.in' for the site config template for Unit tests, 
and generate it for CMake builds as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:07:51 +00:00
Daniel Dunbar
16bc8783c9 Cleanup some unused RUN lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86450 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:07:42 +00:00
Chris Lattner
ce306a450f another more interesting test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 08:36:40 +00:00
Chris Lattner
04ab669d0b feature test for the new transformation in r86443 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 08:30:58 +00:00
Chris Lattner
91114966b1 teach a couple of instcombine transformations involving PHIs to 
not turn a PHI in a legal type into a PHI of an illegal type, and
add a new optimization that breaks up insane integer PHI nodes into
small pieces (PR3451).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86443 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 08:21:13 +00:00
Nick Lewycky
70a1ce2557 Remove test. Execution tests are slow and generally not worth it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 02:23:15 +00:00