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Author SHA1 Message Date
Duncan Sands
64da9409cb Factorize out a concept - no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-21 21:27:31 +00:00
Chris Lattner
344c7c5cc4 Fix instcombine to not introduce undefined shifts when merging two 
shifts together.  This fixes PR3851.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67411 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-20 22:41:15 +00:00
Duncan Sands
ab6b226978 Don't load values out of global constants with weak 
linkage: the value may be replaced with something
different at link time.  (Frontends that want to
allow values to be loaded out of weak constants can
give their constants weak_odr linkage).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67407 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-20 21:53:29 +00:00
Dale Johannesen
1f67ce4aa3 Clear the cached cost when removing a function in 
the inliner; prevents nondeterministic behavior
when the same address is reallocated.
Don't build call graph nodes for debug intrinsic calls;
they're useless, and there were typically a lot of them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-19 18:03:56 +00:00
Dale Johannesen
f33b1103a1 Fix comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67307 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-19 17:23:29 +00:00
Dale Johannesen
f4978e2094 This pass keeps a map of Instructions to Rank numbers, 
and was deleting Instructions without clearing the
corresponding map entry.  This led to nondeterministic
behavior if the same address got allocated to another
Instruction within a short time.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67306 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-19 17:22:53 +00:00
Nick Lewycky
9c0f146d50 Remove strange extra semicolons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67287 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-19 05:51:39 +00:00
Chris Lattner
a5affdcf4c aha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka Duncan) 
for pointing this out :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67212 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 16:48:45 +00:00
Chris Lattner
b44b3666f9 Fix PR3826 - InstComb assert with vector shift, by not calling ComputeNumSignBits on a vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 16:32:19 +00:00
Chris Lattner
f023b54bcd add an assertion to make it clear that PHI nodes are not allowed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 16:23:56 +00:00
Zhou Sheng
b0c4199a55 Explicitly check for StoreInst, do not lose the chance to delete 
unused loads or bitcasts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67202 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 12:48:48 +00:00
Zhou Sheng
16767c6b49 Revert my previous change on Local.cpp, instead, fix the bug on scalarrepl. 
If the instruction has no users, it is also not only used by debug info 
and should not be deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 10:13:08 +00:00
Zhou Sheng
df95a2f6a9 Fix a bug. 
If I->use_empty(), this method should return false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67180 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 07:56:13 +00:00
Chris Lattner
bda0765e07 Fix PR3807 by inserting 'insertelement' instructions in the normal dest of 
an invoke instead of after the invoke (in its block), which is invalid.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67139 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-18 00:31:45 +00:00
Chris Lattner
b7e64ac3ac LSR shouldn't ever try to hack on integer IV's larger than 64-bits. Right now 
it is not APInt clean, but even when it is it needs to be evaluated carefully
to determine whether it is actually profitable.

This fixes a crash on PR3806


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67134 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-17 23:58:30 +00:00
Chris Lattner
46d232d4bc Remove a condition which is always true. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-17 17:55:15 +00:00
Dale Johannesen
6b23339502 Fix a debug info dependency in jump threading. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-17 00:38:24 +00:00
Dale Johannesen
4425240dbc Fix -strip-debug-declare to work when there are 
llvm.global.variable's but no llvm.declare's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66977 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 22:59:47 +00:00
Evan Cheng
fc0b80d974 Fix PR3784: If the source of a phi comes from a bb ended with an invoke, make sure the copy is inserted before the try range (unless it's used as an input to the invoke, then insert it after the last use), not at the end of the bb. 
Also re-apply r66140 which was disabled as a workaround.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 22:59:14 +00:00
Bill Wendling
9a507cd915 Revert r66920. It was causing failures in the self-hosting buildbot (in release 
mode).

Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/crash-narrowfunctiontest.ll
Failed with signal(SIGBUS) at line 1
while running: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/crash-narrowfunctiontest.ll -bugpoint-crashcalls -silence-passes > /dev/null
0   bugpoint          0x0035dd25 llvm::sys::SetInterruptFunction(void (*)()) + 85
1   bugpoint          0x0035e382 llvm::sys::RemoveFileOnSignal(llvm::sys::Path const&, std::string*) + 706
2   libSystem.B.dylib 0x92f112bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1829694831
4   bugpoint          0x00021d1c main + 92
5   bugpoint          0x00002106 start + 54
6   bugpoint          0x00000004 start + 18446744073709543220
Stack dump:
0.    Program arguments: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/crash-narrowfunctiontest.ll -bugpoint-crashcalls -silence-passes 

FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/misopt-basictest.ll
Failed with signal(SIGBUS) at line 1
while running: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/misopt-basictest.ll -dce -bugpoint-deletecalls -simplifycfg -silence-passes
0   bugpoint          0x0035dd25 llvm::sys::SetInterruptFunction(void (*)()) + 85
1   bugpoint          0x0035e382 llvm::sys::RemoveFileOnSignal(llvm::sys::Path const&, std::string*) + 706
2   libSystem.B.dylib 0x92f112bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1829694831
4   bugpoint          0x00021d1c main + 92
5   bugpoint          0x00002106 start + 54
6   bugpoint          0x00000006 start + 18446744073709543222
Stack dump:
0.    Program arguments: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/misopt-basictest.ll -dce -bugpoint-deletecalls -simplifycfg -silence-passes 

FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/remove_arguments_test.ll
Failed with signal(SIGBUS) at line 1
while running: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/remove_arguments_test.ll  -bugpoint-crashcalls -silence-passes
0   bugpoint          0x0035dd25 llvm::sys::SetInterruptFunction(void (*)()) + 85
1   bugpoint          0x0035e382 llvm::sys::RemoveFileOnSignal(llvm::sys::Path const&, std::string*) + 706
2   libSystem.B.dylib 0x92f112bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1829694831
4   bugpoint          0x00021d1c main + 92
5   bugpoint          0x00002106 start + 54
Stack dump:
0.    Program arguments: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/remove_arguments_test.ll -bugpoint-crashcalls -silence-passes 

--- Reverse-merging (from foreign repository) r66920 into '.':
U    include/llvm/Support/CallSite.h
U    include/llvm/Instructions.h
U    lib/Analysis/IPA/GlobalsModRef.cpp
U    lib/Analysis/IPA/Andersens.cpp
U    lib/Bitcode/Writer/BitcodeWriter.cpp
U    lib/VMCore/Instructions.cpp
U    lib/VMCore/Verifier.cpp
U    lib/VMCore/AsmWriter.cpp
U    lib/Transforms/Utils/LowerInvoke.cpp
U    lib/Transforms/Scalar/SimplifyCFGPass.cpp
U    lib/Transforms/IPO/PruneEH.cpp
U    lib/Transforms/IPO/DeadArgumentElimination.cpp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66953 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 21:15:59 +00:00
Dale Johannesen
d1c135c6e6 One more place where debug info affects codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66930 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 19:23:20 +00:00
Gabor Greif
b14cda3c0d Second installment of "BasicBlock operands to the back" 
changes.

For InvokeInst now all arguments begin at op_begin().
The Callee, Cont and Fail are now faster to get by
access relative to op_end().

This patch introduces some temporary uglyness in CallSite.
Next I'll bring CallInst up to a similar scheme and then
the uglyness will magically vanish.

This patch also exposes all the reliance of the libraries
on InvokeInst's operand ordering. I am thinking of taking
care of that too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66920 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 18:27:29 +00:00
Bill Wendling
0582ae99ba Oops...I committed too much. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66867 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 04:39:26 +00:00
Bill Wendling
c7a09ab311 Temporarily XFAIL this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 04:37:11 +00:00
Dale Johannesen
990afedb3a Fix one more place where debug info affected 
codegen (speculative execution).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 01:05:24 +00:00
Dale Johannesen
8483e54837 Previous debug info fix to this code wasn't quite 
right; did the wrong thing when there are exactly 11
non-debug instructions, followed by debug info.
Remove a FIXME since it's apparently been fixed along the way.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66840 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 23:18:09 +00:00
Duncan Sands
58256f83c8 Revert commit 66140 since it caused several failures 
in the Ada testcase.  Reverting this only covers up
the real problem, which is a nasty conceptual difficulty
in the phi elimination pass: when eliminating phi nodes
in landing pads, the register copies need to come before
the invoke, not at the end of the basic block which is
too late...  See PR3784.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66826 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 21:13:42 +00:00
Dale Johannesen
c81f5445a7 There already was a class to force deterministic 
sorting of ConstantInt's; unreinvent wheel.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66824 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 21:01:11 +00:00
Dale Johannesen
80b8a62fda Another missing check for debug intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66800 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 17:42:45 +00:00
Dale Johannesen
1379cadf8d Allow for switch values bigger than 64 bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66751 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 01:20:06 +00:00
Dale Johannesen
a9537cf3fc Fix some nondeterministic behavior when forwarding 
from a switch table.  Multiple table entries that
branch to the same place were being sorted by the
pointer value of the ConstantInt*; changed to sort
by the actual value of the ConstantInt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66749 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 01:00:26 +00:00
Dale Johannesen
a891518c4d Skip interleaved debug info when fast-forwarding through 
allocations.  Apparently the assumption is there is an
instruction (terminator?) following the allocation so I
am allowing the same assumption.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66716 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:19:43 +00:00
Anton Korobeynikov
26d6e21c53 I should definitely read make docs someday :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 20:40:15 +00:00
Anton Korobeynikov
317bc24cd6 Unbreak the build. Dunno, why it did not fail on mingw :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 20:16:05 +00:00
Anton Korobeynikov
ad9d21a952 Disable plugins / shared stuff generation on windows targets. 
This fixes fallout from recent PIC/delibtoolize changes and unbreaks
build on cygming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66686 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 19:49:42 +00:00
Dale Johannesen
8aa90feb3d Don't consider debug intrinsics when checking 
whether a callee to be inlined is a leaf.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 22:20:02 +00:00
Dale Johannesen
ff278b11bf Removing a dead debug intrinsic shouldn't trigger 
another instcombine pass if we weren't going to make
one without debug info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66576 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 21:19:49 +00:00
Devang Patel
9200c89968 Ignore dbg info, while estimating size of jump through block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66554 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 18:00:05 +00:00
John Criswell
090c0a2ffd Do not attempt to do parial redundancy elimination on void values. 
Also fixed a punctuation error in the header comment.
This fixes PR3775.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 15:04:53 +00:00
Evan Cheng
8c7848f17f If a function is marked alwaysinline, it must be inlined (possibly for correctness). Do so even if the callee has dynamic alloca and the caller doesn't. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 07:57:50 +00:00
Devang Patel
412a446974 Ignore debug info while evaluating function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 23:04:12 +00:00
Dan Gohman
9d10086797 Don't record the increment instruction; just recompute it from the Phi 
if needed. This simplifies the code a little, and is needed for an
upcoming refactoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 22:04:01 +00:00
Devang Patel
d07128c906 Remove llvm.dbg.global_variables also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:32:28 +00:00
Dan Gohman
3cfe6a4bc2 Fix a few more places where induction variable types were used 
where memory access types are needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:22:12 +00:00
Dan Gohman
bb5b49cb8d Use ReplacedTy instead of recomputing the same value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66469 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:19:58 +00:00
Dan Gohman
0daeed270b Use LoopInfo's getLoopLatch() instead of doing what it does manualy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66467 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:14:16 +00:00
Dan Gohman
53f2ae268a Don't use an induction variable type as a memory access type. 
Use VoidTy instead, to be properly conservative.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:04:19 +00:00
Dan Gohman
21e7722868 Factor out the code that determines the memory access type 
of an instruction into a helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66460 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:01:17 +00:00
Devang Patel
23e528be80 Add helper pass to remove llvm.dbg.declare intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:49:37 +00:00
Dan Gohman
f7912df4cb Move the sorting of the StrideOrder array earlier so that it doesn't 
have to be done twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:46:50 +00:00