Benjamin Kramer
a9390a4d5f
Stop emitting instructions with the name "tmp" they eat up memory and have to be uniqued, without any benefit.
...
If someone prefers %tmp42 to %42, run instnamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140634 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-27 20:39:19 +00:00
Bill Wendling
a4c86ab073
Skip the landingpad instruction when determining the insertion point.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138481 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24 21:06:46 +00:00
Bill Wendling
5b6f42f57e
Use the getFirstInsertionPt() method instead of getFirstNonPHI + an 'isa<>'
...
check for a LandingPadInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137745 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 20:45:24 +00:00
Bill Wendling
05d0023a95
A few places where we want to skip the landingpad instruction for insertion.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137712 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 04:52:55 +00:00
Jay Foad
0a2a60ace9
Convert IRBuilder::CreateGEP and IRBuilder::CreateInBoundsGEP to use
...
ArrayRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 08:16:57 +00:00
Jay Foad
dab3d29605
Convert ConstantExpr::getGetElementPtr and
...
ConstantExpr::getInBoundsGetElementPtr to use ArrayRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135673 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-21 14:31:17 +00:00
Chris Lattner
db125cfaf5
land David Blaikie's patch to de-constify Type, with a few tweaks.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18 04:54:35 +00:00
Benjamin Kramer
93a896e2e3
Silence compiler warnings.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135358 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-16 22:26:27 +00:00
Andrew Trick
d152d03a47
Fix SCEVEXpander to handle arbitrary phi expansion. Includes two
...
related bug fixes and corresponding assertions for uninitialized data
and missing NULL check. Test cases will be included with the new LFTR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135333 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-16 00:59:39 +00:00
Devang Patel
c5ecbdc189
Preserve debug loc.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-05 21:48:22 +00:00
Andrew Trick
dc8e546048
Cleanup. Fix a stupid variable name.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133995 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28 05:41:52 +00:00
Andrew Trick
5e7645be4c
SCEVExpander: give new insts a name that identifies the reponsible pass.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133992 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28 05:07:32 +00:00
Devang Patel
df3ad6697b
New binops need debug loc.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133642 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22 20:56:56 +00:00
Jay Foad
3ecfc861b4
Remove PHINode::reserveOperandSpace(). Instead, add a parameter to
...
PHINode::Create() giving the (known or expected) number of operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128537 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30 11:28:46 +00:00
Jay Foad
d8b4fb4aab
(Almost) always call reserveOperandSpace() on newly created PHINodes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128535 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30 11:19:20 +00:00
Andrew Trick
3228cc259b
Added SCEV::NoWrapFlags to manage unsigned, signed, and self wrap
...
properties.
Added the self-wrap flag for SCEV::AddRecExpr.
A slew of temporary FIXMEs indicate the intention of the no-self-wrap flag
without changing behavior in this revision.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127590 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-14 16:50:06 +00:00
Dan Gohman
a7a841adb8
When decling to reuse existing expressions that involve casts, ignore
...
bitcasts, which are really no-ops here. This fixes slowdowns on
MultiSource/Applications/aha and others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 20:46:46 +00:00
Dan Gohman
0cbe91ba3b
Don't re-use existing addrec expansions if they contain casts.
...
This fixes PR9259.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02 01:34:10 +00:00
Dan Gohman
9c9fcfc719
Introduce memoization for ScalarEvolution dominates and properlyDominates
...
queries, and SCEVExpander getRelevantLoop queries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18 00:34:22 +00:00
Dan Gohman
dc0e8fb9f9
Move SCEV::dominates and properlyDominates to ScalarEvolution.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119570 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17 21:41:58 +00:00
Dan Gohman
17ead4ff4b
Move SCEV::isLoopInvariant and hasComputableLoopEvolution to be member
...
functions of ScalarEvolution, in preparation for memoization and
other optimizations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119562 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17 21:23:15 +00:00
Dan Gohman
6ebfd72f37
Fix SCEVExpander::visitAddRecExpr so that it remembers the induction variable
...
it inserted rather than using LoopInfo::getCanonicalInductionVariable to
rediscover it, since that doesn't work on non-canonical loops. This fixes
infinite recurrsion on such loops; PR7562.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109419 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26 18:28:14 +00:00
Dan Gohman
133e295b36
Simplify this code; LoopInfo::getCanonicalInductionVariable will only
...
find integer induction variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108853 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20 16:46:58 +00:00
Dan Gohman
7c58dbd88c
Make getOrInsertCanonicalInductionVariable guarantee that its
...
result is a PHINode*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108852 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20 16:44:52 +00:00
Dan Gohman
bb5d92741b
Fix the order that SCEVExpander considers add operands in so that
...
it doesn't miss an opportunity to form a GEP, regardless of the
relative loop depths of the operands. This fixes rdar://8197217.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108475 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15 23:38:13 +00:00
Gabor Greif
19e5ada58a
remove useless cast and fix typos in comment
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107989 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09 16:42:04 +00:00
Gabor Greif
f64f9cf7ec
cache result of operator*
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107988 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09 16:39:02 +00:00
Gabor Greif
7656018c22
cache result of operator*
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107976 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09 15:40:10 +00:00
Dan Gohman
204b7cad7a
Simplify.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107248 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30 06:09:46 +00:00
Dan Gohman
403a8cdda5
Use A.append(...) instead of A.insert(A.end(), ...) when A is a
...
SmallVector, and other SmallVector simplifications.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106452 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21 19:47:52 +00:00
Dan Gohman
6f5fed253f
Restore a call to rememberInstruction which was accidentally dropped
...
in refactoring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-19 22:50:35 +00:00
Dan Gohman
485c43fc47
Factor out duplicated code for reusing and inserting casts into
...
a helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106388 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-19 13:25:23 +00:00
Jim Grosbach
08f55d02da
A few more places where SCEVExpander bits need to skip over debug intrinsics
...
when iterating through instructions. Yet more work for rdar://7797940
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16 21:13:38 +00:00
Dan Gohman
25fcaff409
LSR needs to remember inserted instructions even in postinc mode, because
...
there could be multiple subexpressions within a single expansion which
require insert point adjustment. This fixes PR7306.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105510 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-05 00:33:07 +00:00
Dan Gohman
deff621abd
Use getConstant instead of getIntegerSCEV. The two are basically the
...
same, now that getConstant has overloads consistent with ConstantInt::get.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102965 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03 22:09:21 +00:00
Dan Gohman
948c8a3e3d
When checking whether the special handling for an addrec increment which
...
doesn't dominate the header is needed, don't check whether the increment
expression has computable loop evolution. While the operands of an
addrec are required to be loop-invariant, they're not required to
dominate any part of the loop. This fixes PR6914.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102389 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26 21:46:36 +00:00
Dan Gohman
b35798347e
Fix a bunch of namespace polution.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 17:08:50 +00:00
Dan Gohman
f8d0578e4c
When emitting code for an add, don't force a SCEVUnknown wrapper around
...
a hoisted intermediate result if the intermediate result isn't an
Instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100884 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 19:14:31 +00:00
Dan Gohman
53b73a283e
Add a comment.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100874 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 18:20:03 +00:00
Dan Gohman
448db1cdef
Generalize IVUsers to track arbitrary expressions rather than expressions
...
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.
This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.
This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:27:08 +00:00
Dan Gohman
e059ee832c
Don't back past debug info intrinsics; SCEVExpander's strategy
...
for ignoring debug info intrinsics everywhere else is to advance
past them, and it needs to be consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99332 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23 21:53:22 +00:00
Dan Gohman
6c7ed6b549
Fix more places to more thoroughly ignore debug intrinsics. This fixes
...
use-before-def errors in SCEVExpander-produced code in sqlite3 when debug
info with optimization is enabled, though the testcases for this are
dependent on use-list order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99001 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19 21:51:03 +00:00
Dan Gohman
f9e64729af
Reapply r98755 with a thinko which miscompiled gengtype fixed.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98793 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-18 01:17:13 +00:00
Dan Gohman
ebf78f18df
Revert 98755, which may be causing trouble.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-17 19:54:53 +00:00
Dan Gohman
0afc29c3e6
Change SCEVNAryExpr's operand array from a SmallVector to a plain
...
pointer and length, and allocate the arrays in ScalarEvolution's
BumpPtrAllocator, so that they get released when their owning
SCEV gets released. SCEVs are immutable, so they don't need to worry
about operand array resizing. This fixes a memory leak reported
in PR6637.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98755 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-17 18:51:01 +00:00
Dale Johannesen
768069ee7a
Another place where debug info affected codegen.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98026 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09 01:08:11 +00:00
Dale Johannesen
621e06f9df
Fix another case where LSR was affected by debug info.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97865 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-06 02:45:26 +00:00
Dale Johannesen
8d50ea7603
Fix a case where LSR is sensitive to debug info.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97830 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-05 21:12:40 +00:00
Dan Gohman
087bd1e3a1
Make SCEVExpander and LSR more aggressive about hoisting expressions out
...
of loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97642 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03 05:29:13 +00:00
Dan Gohman
ed78dbafd0
Revert r97580; that's not the right way to fix this.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97639 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03 04:36:42 +00:00