Evan Cheng [Thu, 21 Jun 2007 07:39:16 +0000 (07:39 +0000)]
Xforms:
(add (select cc, 0, c), x) -> (select cc, x, (add, x, c))
(sub x, (select cc, 0, c)) -> (select cc, x, (sub, x, c))
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37685
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Owen Anderson [Thu, 21 Jun 2007 01:59:05 +0000 (01:59 +0000)]
Eliminate a redundant check. This speeds up optimization of 253.perlbmk from 13.5 seconds to 10.9 seconds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37683
91177308-0d34-0410-b5e6-
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Owen Anderson [Thu, 21 Jun 2007 00:19:05 +0000 (00:19 +0000)]
Comment-ize the functions in GVNPRE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37681
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Chris Lattner [Wed, 20 Jun 2007 23:46:26 +0000 (23:46 +0000)]
refactor a bunch of code out of visitICmpInstWithInstAndIntCst into its own
routine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37679
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Owen Anderson [Wed, 20 Jun 2007 22:10:02 +0000 (22:10 +0000)]
Split runOnFunction into many smaller functions. This make it easier to get accurate performance analysis of GVNPRE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37678
91177308-0d34-0410-b5e6-
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Tanya Lattner [Wed, 20 Jun 2007 20:46:37 +0000 (20:46 +0000)]
Modify deleting global variable with an even easier way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37676
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Devang Patel [Wed, 20 Jun 2007 18:51:14 +0000 (18:51 +0000)]
Update AnalysisGroup documentation to document restriction that allows
only one ImmutablePass in a group.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37675
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Tanya Lattner [Wed, 20 Jun 2007 18:33:15 +0000 (18:33 +0000)]
Add blurb on deleting global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37674
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Owen Anderson [Wed, 20 Jun 2007 18:30:20 +0000 (18:30 +0000)]
Make GVNPRE accurate report whether it modified the function or not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37673
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Evan Cheng [Wed, 20 Jun 2007 18:26:15 +0000 (18:26 +0000)]
Added some if-conversion tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37672
91177308-0d34-0410-b5e6-
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Owen Anderson [Wed, 20 Jun 2007 00:43:33 +0000 (00:43 +0000)]
Get rid of an unneeded helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37670
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Evan Cheng [Tue, 19 Jun 2007 23:55:02 +0000 (23:55 +0000)]
Be more conservative of duplicating blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37669
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Owen Anderson [Tue, 19 Jun 2007 23:23:54 +0000 (23:23 +0000)]
Use a DenseMap instead of an std::map for the value numbering. This reduces the time to optimize lencod on a PPC Debug build from ~300s to ~140s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37668
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Owen Anderson [Tue, 19 Jun 2007 23:07:16 +0000 (23:07 +0000)]
Make dependsOnInvoke much more specific in what it tests, which in turn make it much faster to run. This reduces the time to optimize lencondwith a debug build on PPC from ~450s to ~300s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37667
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Tanya Lattner [Tue, 19 Jun 2007 22:31:52 +0000 (22:31 +0000)]
Moved Inliner.h to include/llvm/Transforms/IPO/InlinerPass.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37666
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Tanya Lattner [Tue, 19 Jun 2007 22:29:50 +0000 (22:29 +0000)]
Inliner pass header file was moved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37665
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Tanya Lattner [Tue, 19 Jun 2007 22:29:02 +0000 (22:29 +0000)]
Move inliner pass header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37664
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Evan Cheng [Tue, 19 Jun 2007 21:45:13 +0000 (21:45 +0000)]
Avoid if-converting simple block that ends with unconditional branch or fallthrough unless it branches / falls to the 'false' block. Not profitable, may end up increasing code size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37660
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Evan Cheng [Tue, 19 Jun 2007 21:05:09 +0000 (21:05 +0000)]
Allow predicated immediate ARM to ARM calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37659
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Chris Lattner [Tue, 19 Jun 2007 16:46:48 +0000 (16:46 +0000)]
Fix pr1448
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37658
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Dan Gohman [Tue, 19 Jun 2007 14:28:31 +0000 (14:28 +0000)]
Rename ScalarEvolution::deleteInstructionFromRecords to
deleteValueFromRecords and loosen the types to all it to accept
Value* instead of just Instruction*, since this is what
ScalarEvolution uses internally anyway. This allows more flexibility
for future uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37657
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Dan Gohman [Tue, 19 Jun 2007 14:13:56 +0000 (14:13 +0000)]
Pass a SelectionDAG into SDNode::dump everywhere it's used, in prepration
for needing the DAG node to print pre-legalize extended value types, and
to get better debug messages with target-specific nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37656
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Owen Anderson [Tue, 19 Jun 2007 07:35:36 +0000 (07:35 +0000)]
Handle constants in phi nodes properly. This fixes test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37655
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Chris Lattner [Tue, 19 Jun 2007 06:40:46 +0000 (06:40 +0000)]
silence warning when assertions are disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37654
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Owen Anderson [Tue, 19 Jun 2007 05:55:01 +0000 (05:55 +0000)]
Testcase for instances where a constant only occurs as an operand to a phi node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37653
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Chris Lattner [Tue, 19 Jun 2007 05:52:36 +0000 (05:52 +0000)]
don't use binutils 2.17
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37652
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Chris Lattner [Tue, 19 Jun 2007 05:47:49 +0000 (05:47 +0000)]
document and hide two options.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37651
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Chris Lattner [Tue, 19 Jun 2007 05:46:06 +0000 (05:46 +0000)]
describe an argument, hide it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37650
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Chris Lattner [Tue, 19 Jun 2007 05:43:49 +0000 (05:43 +0000)]
silence a bogus warning Duraid ran into.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37649
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Owen Anderson [Tue, 19 Jun 2007 05:41:22 +0000 (05:41 +0000)]
Add a new testcase for memory corruption issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37648
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Owen Anderson [Tue, 19 Jun 2007 05:37:32 +0000 (05:37 +0000)]
Be careful to erase values from all of the appropriate sets when they're not needed anymore. This fixes a few more memory-related issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37647
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Owen Anderson [Tue, 19 Jun 2007 04:32:55 +0000 (04:32 +0000)]
Remember to clear the maximal sets between functions.
Thanks to Nicholas for valgrinding this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37646
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Owen Anderson [Tue, 19 Jun 2007 03:31:41 +0000 (03:31 +0000)]
Refactor GVNPRE to use a much smart method of uniquing value sets, and centralize a lot of the value numbering information. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37645
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Dan Gohman [Tue, 19 Jun 2007 01:48:05 +0000 (01:48 +0000)]
Replace M_REMATERIALIZIBLE and the newly-added isOtherReMaterializableLoad
with a general target hook to identify rematerializable instructions. Some
instructions are only rematerializable with specific operands, such as loads
from constant pools, while others are always rematerializable. This hook
allows both to be identified as being rematerializable with the same
mechanism.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37644
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Evan Cheng [Tue, 19 Jun 2007 01:26:51 +0000 (01:26 +0000)]
Replace TargetInstrInfo::CanBeDuplicated() with a M_NOT_DUPLICABLE bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37643
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Evan Cheng [Tue, 19 Jun 2007 01:21:41 +0000 (01:21 +0000)]
Replace CanBeDuplicated() with a M_NOT_DUPLICABLE bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37642
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Chris Lattner [Tue, 19 Jun 2007 00:13:10 +0000 (00:13 +0000)]
If a function is vararg, never pass inreg arguments in registers. Thanks to
Anton for half of this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37641
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Chris Lattner [Tue, 19 Jun 2007 00:11:09 +0000 (00:11 +0000)]
add isVarArg to CCState
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37640
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Chris Lattner [Tue, 19 Jun 2007 00:10:25 +0000 (00:10 +0000)]
add isvararg tracking to CCState
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37639
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Chris Lattner [Tue, 19 Jun 2007 00:08:42 +0000 (00:08 +0000)]
testcase for PR1513
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37638
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Evan Cheng [Tue, 19 Jun 2007 00:06:08 +0000 (00:06 +0000)]
New test case: identity operation of RHS / LHS of a VECTOR_SHUFFLE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37637
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Evan Cheng [Tue, 19 Jun 2007 00:02:56 +0000 (00:02 +0000)]
Look for VECTOR_SHUFFLE that's identity operation on either LHS or RHS. This can happen before DAGCombiner catches it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37636
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Tanya Lattner [Mon, 18 Jun 2007 23:42:37 +0000 (23:42 +0000)]
Update docs for llvm.var.annotation intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37635
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Evan Cheng [Mon, 18 Jun 2007 22:44:57 +0000 (22:44 +0000)]
Fix some fragile code wrt CFG edge updating.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37634
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Evan Cheng [Mon, 18 Jun 2007 22:43:58 +0000 (22:43 +0000)]
Move CorrectExtraCFGEdges() from BranchFolding.cpp to a MachineBasicBlock method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37633
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Tanya Lattner [Mon, 18 Jun 2007 22:23:39 +0000 (22:23 +0000)]
Modify annotate intrinsic to take 2 additional args: file and line number.
Fix up Annotate attribute test case.
Fix DebugFilename.c test case to look for right file name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37632
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Chris Lattner [Mon, 18 Jun 2007 21:50:49 +0000 (21:50 +0000)]
add helper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37631
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Devang Patel [Mon, 18 Jun 2007 21:32:29 +0000 (21:32 +0000)]
Fix quotes in debug messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37630
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Chris Lattner [Mon, 18 Jun 2007 21:28:10 +0000 (21:28 +0000)]
make ComputeTopDownOrdering significantly faster and use less stack space
by making it non-recursive
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37629
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Dan Gohman [Mon, 18 Jun 2007 19:30:09 +0000 (19:30 +0000)]
In SCEVAddExpr::get, skip over any cast operands before looking for nested
add operands after constant operands. The recent change to recognize
sign-extend expressions caused this to be exposed more often.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37628
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Anton Korobeynikov [Mon, 18 Jun 2007 17:13:29 +0000 (17:13 +0000)]
Make BasicAliasAnalysis correctly register itself. Patch by Devang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37627
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Dan Gohman [Mon, 18 Jun 2007 15:30:16 +0000 (15:30 +0000)]
Make chain dependencies blue, in addition to being dashed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37626
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Dan Gohman [Mon, 18 Jun 2007 14:12:56 +0000 (14:12 +0000)]
Define the pushq instruction for x86-64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37625
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Dan Gohman [Mon, 18 Jun 2007 14:11:31 +0000 (14:11 +0000)]
Add keyword explicit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37624
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Evan Cheng [Mon, 18 Jun 2007 08:37:25 +0000 (08:37 +0000)]
Properly remove duplicate instructions as result of diamond if-conversion. Other bug fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37623
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Owen Anderson [Mon, 18 Jun 2007 04:42:29 +0000 (04:42 +0000)]
Cache the results of dependsOnInvoke()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37622
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Owen Anderson [Mon, 18 Jun 2007 04:31:21 +0000 (04:31 +0000)]
Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37621
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Owen Anderson [Mon, 18 Jun 2007 04:30:44 +0000 (04:30 +0000)]
Don't perform an expensive check if it's not necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37620
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Chris Lattner [Sun, 17 Jun 2007 23:29:57 +0000 (23:29 +0000)]
ensure we don't regress on these tests. We generate aweful code in x86-32 for
these though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37619
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Bill Wendling [Sat, 16 Jun 2007 23:57:51 +0000 (23:57 +0000)]
XFAILing until I can fix properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37618
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Bill Wendling [Sat, 16 Jun 2007 23:57:15 +0000 (23:57 +0000)]
Revert patch. It regresses:
define double @test2(i64 %A) {
%B = bitcast i64 %A to double
ret double %B
}
$ llvm-as < t.ll | llc -march=x86-64
before:
.align 4
.globl _test2
_test2:
movd %rdi, %xmm0
ret
after:
_test2:
subq $8, %rsp
movq %rdi, (%rsp)
movsd (%rsp), %xmm0
addq $8, %rsp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37617
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Reid Spencer [Sat, 16 Jun 2007 20:48:27 +0000 (20:48 +0000)]
Fix PR1517:
Use SmallPtrSet instead of std::vector to eliminate duplicate uses in a
function generated with -gen-function. This prevents the output from having
multiple duplicate declarations of constants and gvals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37616
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Reid Spencer [Sat, 16 Jun 2007 20:33:24 +0000 (20:33 +0000)]
Fix PR1516:
When printing the uses of a function (-gen-function only), make sure to
include the constants referenced by intializers of global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37615
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Nick Lewycky [Sat, 16 Jun 2007 16:17:35 +0000 (16:17 +0000)]
Call the correct function name. Patch from Stephane Letz.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37614
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Evan Cheng [Sat, 16 Jun 2007 09:34:52 +0000 (09:34 +0000)]
Really turn if-converter loose:
1. Consider all possible ifcvt cases at once. No longer restricted to bottom
up iterative approach.
2. Sort all possible cases based on a cost function. Perform the most profitable
ones first invalidate others that target the same blocks.
3. Fixed a number of bugs related to block duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37613
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Bill Wendling [Sat, 16 Jun 2007 06:31:47 +0000 (06:31 +0000)]
Testcase for MMX int to MMX register failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37612
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Bill Wendling [Sat, 16 Jun 2007 06:17:31 +0000 (06:17 +0000)]
Fix a failure to bit_convert from integer GPR to MMX register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37611
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Owen Anderson [Sat, 16 Jun 2007 00:26:54 +0000 (00:26 +0000)]
Fix test/Transforms/GVNPRE/2007-06-15-InvokeInst.ll by ignoring all instructions that depend on invokes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37610
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Owen Anderson [Sat, 16 Jun 2007 00:25:10 +0000 (00:25 +0000)]
Testcase where GVNPRE was getting confused by invoke instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37609
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Tanya Lattner [Fri, 15 Jun 2007 22:26:58 +0000 (22:26 +0000)]
Codegen support (stripped out) for the annotate attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37608
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Evan Cheng [Fri, 15 Jun 2007 21:18:05 +0000 (21:18 +0000)]
Not every predicable block can be safely duplicated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37607
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Evan Cheng [Fri, 15 Jun 2007 21:15:00 +0000 (21:15 +0000)]
Instructions with unique labels or embedded jumptables cannot be duplicated during ifcvt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37606
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Evan Cheng [Fri, 15 Jun 2007 21:13:54 +0000 (21:13 +0000)]
Added CanBeDuplicated(). It returns true if an instruction can be safely duplicated (e.g. during ifcvt).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37605
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Tanya Lattner [Fri, 15 Jun 2007 20:52:47 +0000 (20:52 +0000)]
test case for annotate attribute
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37604
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Tanya Lattner [Fri, 15 Jun 2007 20:50:54 +0000 (20:50 +0000)]
Add local var annotation intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37603
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Dan Gohman [Fri, 15 Jun 2007 19:21:55 +0000 (19:21 +0000)]
Fold a binary operator with constant operands when expanding code for a SCEV.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37602
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Chris Lattner [Fri, 15 Jun 2007 19:11:01 +0000 (19:11 +0000)]
Fix CodeGen/X86/inline-asm-x-scalar.ll:test4, by retaining regclass info
for tied register constraints.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37601
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Chris Lattner [Fri, 15 Jun 2007 19:09:53 +0000 (19:09 +0000)]
make this test harder, include a tied register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37600
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Evan Cheng [Fri, 15 Jun 2007 19:06:07 +0000 (19:06 +0000)]
MachineInstr::isPredicable() is no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37599
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Evan Cheng [Fri, 15 Jun 2007 19:05:13 +0000 (19:05 +0000)]
No longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37598
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Duncan Sands [Fri, 15 Jun 2007 19:04:19 +0000 (19:04 +0000)]
Workaround for PR1508.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37597
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Dan Gohman [Fri, 15 Jun 2007 18:00:55 +0000 (18:00 +0000)]
Use SCEVConstant::get instead of SCEVUnknown::get to create an
integer constant SCEV.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37596
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Owen Anderson [Fri, 15 Jun 2007 17:55:15 +0000 (17:55 +0000)]
Fix test/Transforms/GVNPRE/2007-06-15-Looping.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37595
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Owen Anderson [Fri, 15 Jun 2007 17:54:05 +0000 (17:54 +0000)]
Add a testcase where GVNPRE what getting confused by a loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37594
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Evan Cheng [Fri, 15 Jun 2007 17:34:48 +0000 (17:34 +0000)]
Extra edges are deleted later if needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37593
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Duncan Sands [Fri, 15 Jun 2007 17:13:53 +0000 (17:13 +0000)]
Use "ignore" rather than grep tricks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37592
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Dan Gohman [Fri, 15 Jun 2007 14:38:12 +0000 (14:38 +0000)]
Add a SCEV class and supporting code for sign-extend expressions.
This created an ambiguity for expandInTy to decide when to use
sign-extension or zero-extension, but it turns out that most of its callers
don't actually need a type conversion, now that LLVM types don't have
explicit signedness. Drop expandInTy in favor of plain expand, and change
the few places that actually need a type conversion to do it themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37591
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Evan Cheng [Fri, 15 Jun 2007 07:36:12 +0000 (07:36 +0000)]
Allow small blocks to be duplicated to enable if-conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37590
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Chris Lattner [Fri, 15 Jun 2007 06:23:19 +0000 (06:23 +0000)]
Generalize many transforms to work on ~ of vectors in addition to ~ of
integer ops. This implements Transforms/InstCombine/and-or-not.ll
test3/test4, and finishes off PR1510
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37589
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Chris Lattner [Fri, 15 Jun 2007 06:22:32 +0000 (06:22 +0000)]
add vector versions of this test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37588
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Chris Lattner [Fri, 15 Jun 2007 06:13:47 +0000 (06:13 +0000)]
m_not should match vector not
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37587
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Chris Lattner [Fri, 15 Jun 2007 06:10:53 +0000 (06:10 +0000)]
add a Constant::getAllOnesValue helper function, which works on integers
AND vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37586
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Chris Lattner [Fri, 15 Jun 2007 06:04:24 +0000 (06:04 +0000)]
Enhance BinaryOperator::isNot to support vector not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37585
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Chris Lattner [Fri, 15 Jun 2007 05:58:24 +0000 (05:58 +0000)]
Implement two xforms:
1. ~(~X | Y) === (X & ~Y)
2. (A|B) & ~(A&B) -> A^B
This allows us to transform ~(~(a|b) | (a&b)) -> a^b.
This implements PR1510 for scalar values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37584
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Chris Lattner [Fri, 15 Jun 2007 05:57:20 +0000 (05:57 +0000)]
testcase for PR1510
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37583
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Chris Lattner [Fri, 15 Jun 2007 05:26:55 +0000 (05:26 +0000)]
delete some obviously dead vector operations, which deletes a few thousand
operations from Duraids example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37582
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Evan Cheng [Thu, 14 Jun 2007 23:34:09 +0000 (23:34 +0000)]
No really, clear predcessors states.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37581
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Evan Cheng [Thu, 14 Jun 2007 23:13:19 +0000 (23:13 +0000)]
If BB is predicated, invalidate its predecessor(s) which would if-convert it. It needs to be re-analyzed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37580
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Dan Gohman [Thu, 14 Jun 2007 22:58:02 +0000 (22:58 +0000)]
Rename MVT::getVectorBaseType to MVT::getVectorElementType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37579
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Dale Johannesen [Thu, 14 Jun 2007 22:03:45 +0000 (22:03 +0000)]
Do not treat FP_REG_KILL as terminator in branch analysis (X86).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37578
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