Jeffrey Yasskin
0826e1c519
Remove another memory leak from ABCD by using Edges by value instead of
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pointer. There was also a SmallPtrSet whose settiness wasn't being used, so I
changed it to a SmallVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99713 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27 09:09:17 +00:00
Jeffrey Yasskin
e9580bf254
In ABCD, change the non-null Bound*s to Bound&s.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99711 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27 08:15:46 +00:00
Jeffrey Yasskin
2f97b46f7b
Fix a memory leak in ABCD by giving ownership of Bound objects to the
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MemoizedResultChart.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99710 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27 08:09:24 +00:00
Eric Christopher
6fde0bd39b
When we promote a load of an argument make sure to take the alignment
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of the previous load - it's usually important. For example, we don't want
to blindly turn an unaligned load into an aligned one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27 01:54:00 +00:00
Dan Gohman
449f31cb9d
Ignore debug intrinsics in yet more places.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99580 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-26 00:33:27 +00:00
Gabor Greif
44424646ac
rename pred_const_iterator to const_pred_iterator for consistency's sake
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25 23:25:28 +00:00
Gabor Greif
60ad781c61
rename use_const_iterator to const_use_iterator for consistency's sake
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25 23:06:16 +00:00
Chris Lattner
219d77430b
fix PR6642, GVN forwarding from memset to load of the base of the memset.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99488 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25 05:58:19 +00:00
Eric Christopher
0623e90398
Temporarily revert this, it's causing an issue with an internal project.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99451 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24 23:35:21 +00:00
Evan Cheng
eb8c6459fc
Move OptChkCall off LibCallOptimization into StrCpyOpt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99418 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24 20:19:04 +00:00
Gabor Greif
c9f7500d17
Finally land the InvokeInst operand reordering.
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I have audited all getOperandNo calls now, fixing
hidden assumptions. CallSite related uglyness will
be eliminated successively.
Note this patch has a long and griveous history,
for all the back-and-forths have a look at
CallSite.h's log.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99399 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24 13:21:49 +00:00
Gabor Greif
6d6aaeca4f
tighten a type and remove trailing whitespace, no functional changes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24 11:58:07 +00:00
Gabor Greif
bd1f99341e
increase const goodness and remove pointless getUser() calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24 10:29:52 +00:00
Gabor Greif
5eff285d8d
cache result of UI.getOperandNo() instead of calling it twice, it is cheaper this way
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99394 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24 10:12:54 +00:00
Chris Lattner
a54934ae9d
add some accessors to callsite/callinst/invokeinst to check
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for the noinline attribute, and make the inliner refuse to
inline a call site when the call site is marked noinline even
if the callee isn't. This fixes PR6682.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99341 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23 22:59:07 +00:00
Bill Wendling
87a10f5b2f
Skip debugging intrinsics when sinking unused invariants.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99324 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23 21:15:59 +00:00
Evan Cheng
0289b419a4
Teach simplify libcall to transform __strcpy_chk to __memcpy_chk to enable optimizations down stream.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99282 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23 15:48:04 +00:00
Gabor Greif
0054c7a867
add assert in argpromotion, which cannot trigger
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if Function::hasAddressTaken works as advertised
also included some cosmetic cleanups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99276 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23 14:40:20 +00:00
Evan Cheng
9d8f002d8f
Fix an incorrect logic causing instcombine to miss some _chk -> non-chk transformations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99263 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23 06:06:09 +00:00
Evan Cheng
c94347f641
Fix 80 col violation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-22 22:44:31 +00:00
Gabor Greif
1cde4af157
backing out r99170 because it still fails on clang-x86_64-darwin10-fnt
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99171 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-22 09:11:00 +00:00
Gabor Greif
9b1061e2e3
Now that hopefully all direct accesses to InvokeInst operands are fixed
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we can reapply the InvokeInst operand reordering patch. (see r98957).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-22 08:28:00 +00:00
Gabor Greif
654c06f645
Add a setCalledFunction member to InvokeInst (like in CallInst)
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and use this (as well as getCalledValue) to access the callee,
instead of {g|s}etOperand(0).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99084 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-20 21:00:25 +00:00
Dan Gohman
472fdf7090
Clear the SCEVExpander's insertion point after making deletions,
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so that the SCEVExpander doesn't retain a dangling pointer as its
insert position. The dangling pointer in this case wasn't ever used
to insert new instructions, but it was causing trouble with
SCEVExpander's code for automatically advancing its insert position
past debug intrinsics.
This fixes use-after-free errors that valgrind noticed in
test/Transforms/IndVarSimplify/2007-06-06-DeleteDanglesPtr.ll and
test/Transforms/IndVarSimplify/exit_value_tests.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99036 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-20 03:53:53 +00:00
Gabor Greif
cc52ed0c4f
back out r98957, it broke http://smooshlab.apple.com:8010/builders/clang-x86_64-darwin10-fnt/builds/703 in the nightly test suite
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98958 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19 13:50:02 +00:00
Gabor Greif
f4f10e3779
Recommit r80858 again (which has been backed out in r80871).
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This time I did a self-hosted bootstrap on Linux x86-64,
with no problems. Let's see how darwin 64-bit self-hosting
goes. At the first sign of failure I'll back this out.
Maybe the valgrind bots give me a hint of what may be wrong
(it at all).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98957 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19 11:55:53 +00:00
Benjamin Kramer
2d7186ae6d
str[r]chr returns its pointer argument so we cannot mark it as nocapture. Thanks to Duncan for spotting my mistake.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98671 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16 20:33:15 +00:00
Benjamin Kramer
4446b04052
Mark str[r]chr readonly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98663 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16 19:36:43 +00:00
Devang Patel
7b9f6b1b21
Skip debug info intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98584 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-15 22:23:03 +00:00
Devang Patel
689fac0226
Skip debug info intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98581 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-15 21:25:29 +00:00
Devang Patel
ca70495797
In "empty" bb, the return instruction may not be first instruction, if dbg value intrinsics are present in this bb. Use terminator to find return instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98565 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-15 19:05:46 +00:00
Bill Wendling
ead138bc62
Skip over debug info when trying to merge two return BBs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98491 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-14 10:40:55 +00:00
Bill Wendling
c69b4a5b8b
Make returns more consistent with others.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-14 10:40:28 +00:00
Benjamin Kramer
a30b181c20
Add a virtual destructor and give vtable a home.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98376 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 20:41:29 +00:00
Benjamin Kramer
0b6cb50738
Factor checked library call optimization into a common helper class and use it
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to unify the almost identical code in CodeGenPrepare and InstCombineCalls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98338 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 09:27:41 +00:00
Nate Begeman
75d5fe9213
Whoops this already existed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98297 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:21:19 +00:00
Nate Begeman
47a53a6e4c
Add a handful of additional useful pass manager things to the C API
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98296 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:06:07 +00:00
Benjamin Kramer
7fa30b8e5d
stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98284 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 20:45:13 +00:00
Eric Christopher
19888ca8b4
Lower stpcpy_chk when possible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 19:24:34 +00:00
Eric Christopher
b0722af798
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98260 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 17:45:38 +00:00
Eric Christopher
040056fd11
Do some final lowering in CodeGenPrepare of _chk calls similar to
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that in InstCombineCalls.
More call lowering needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98228 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 02:41:03 +00:00
Eric Christopher
bd97376200
Add strncpy libcall creator. Use it when it should be used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:25:07 +00:00
Dan Gohman
bbf81d8811
Add a DominatorTree argument to isLCSSA so that it doesn't have to
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compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10 19:38:49 +00:00
Dan Gohman
2d0a91cd6c
Fix a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10 02:18:48 +00:00
Jakob Stoklund Olesen
f7477470d3
Try to keep the cached inliner costs around for a bit longer for big functions.
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The Caller cost info would be reset everytime a callee was inlined. If the
caller has lots of calls and there is some mutual recursion going on, the
caller cost info could be calculated many times.
This patch reduces inliner runtime from 240s to 0.5s for a function with 20000
small function calls.
This is a more conservative version of r98089 that doesn't break the clang
test CodeGenCXX/temp-order.cpp. That test relies on rather extreme inlining
for constant folding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98099 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09 23:02:17 +00:00
Jakob Stoklund Olesen
b5a158bab8
Revert r98089, it was breaking a clang test.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98094 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09 22:43:37 +00:00
Jakob Stoklund Olesen
9e5d87d568
Try to keep the cached inliner costs around for a bit longer for big functions.
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The Caller cost info would be reset everytime a callee was inlined. If the
caller has lots of calls and there is some mutual recursion going on, the
caller cost info could be calculated many times.
This patch reduces inliner runtime from 240s to 0.5s for a function with 20000
small function calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98089 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09 22:17:11 +00:00
Jakob Stoklund Olesen
2ddbf8208e
Add inlining threshold to log output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98024 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09 00:59:53 +00:00
Evan Cheng
687fed3530
Re-commit 97860 with fix. getMallocAllocatedType may return null.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98000 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-08 22:54:36 +00:00
Devang Patel
3c91b05d2b
Avoid using DIDescriptor.isNull().
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This is a first step towards eliminating checks in Descriptor constructors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97975 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-08 20:52:55 +00:00