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297 Commits

Author SHA1 Message Date
Chris Lattner
1a8b80ed5a teach ipsccp and ipconstprop that a blockaddress doesn't 'take the address' of a function 
in a way that should prevent ip constprop.  This allows clang/test/CodeGen/indirect-goto.c
to pass with the new indirect goto lowering.

llvm-svn: 85709
 2009-11-01 06:11:53 +00:00
Chris Lattner
ee8b951e73 teach various passes about blockaddress. We no longer 
crash on any clang tests.

llvm-svn: 85465
 2009-10-29 01:21:20 +00:00
Victor Hernandez
f390e04a47 Rename MallocFreeHelper as MemoryBuiltins 
llvm-svn: 85286
 2009-10-27 20:05:49 +00:00
Victor Hernandez
762195bd01 Rename MallocHelper as MallocFreeHelper, since it now also identifies calls to free() 
llvm-svn: 85181
 2009-10-26 23:58:56 +00:00
Victor Hernandez
de5ad42aa1 Remove FreeInst. 
Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.

llvm-svn: 85176
 2009-10-26 23:43:48 +00:00
Victor Hernandez
e297149e26 Auto-upgrade free instructions to calls to the builtin free function. 
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.

llvm-svn: 84987
 2009-10-24 04:23:03 +00:00
Victor Hernandez
8acf2956b8 Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary. 
llvm-svn: 84969
 2009-10-23 21:09:37 +00:00
Torok Edwin
729d92bd74 Fix PR4313: IPSCCP was not setting the lattice value for the invoke instruction 
when the invoke had multiple return values: it set the lattice value only on the
extractvalue.
This caused the invoke's lattice value to remain the default (undefined), and
later propagated to extractvalue's operand, which incorrectly introduces
undefined behavior.

llvm-svn: 84637
 2009-10-20 15:15:09 +00:00
Dan Gohman
e525d9ddc0 Remove an unnnecessary LLVMContext argument in 
ConstantFoldLoadThroughGEPConstantExpr.

llvm-svn: 83311
 2009-10-05 16:36:26 +00:00
Chris Lattner
fdd8790718 strength reduce a ton of type equality tests to check the typeid (Through 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.

llvm-svn: 83297
 2009-10-05 05:54:46 +00:00
Chris Lattner
f9e0c7f84b calls to external functions are already marked overdefined, special casing 
malloc isn't needed.

llvm-svn: 82932
 2009-09-27 21:35:11 +00:00
Torok Edwin
21bd8c9fc5 Constant propagating byval pointer is safe if function is readonly. 
llvm-svn: 82700
 2009-09-24 18:33:42 +00:00
Torok Edwin
f95a450ef9 Don't constant propagate byval pointers, since they are not really pointers, but 
rather structs passed by value.
This fixes PR5038.

llvm-svn: 82689
 2009-09-24 09:47:18 +00:00
Victor Hernandez
5d034499ad Enhance transform passes so that they apply the same tranforms to malloc calls as to MallocInst. 
Reviewed by Dan Gohman.

llvm-svn: 82300
 2009-09-18 22:35:49 +00:00
Chris Lattner
2dd09dbdf7 eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 
llvm-svn: 80766
 2009-09-02 06:11:42 +00:00
Chris Lattner
a3e620caba add getPointerAddressSpace() to GEP instruction, use the method 
in a few scalar xforms to simplify things.

llvm-svn: 80506
 2009-08-30 20:06:40 +00:00
Chris Lattner
b25de3ff60 eliminate the "Value" printing methods that print to a std::ostream. 
This required converting a bunch of stuff off DOUT and other cleanups.

llvm-svn: 79819
 2009-08-23 04:37:46 +00:00
Dan Gohman
8dd69f88ea Fix debug output to include a newline after printing a Value, now 
that Value's operator<< doesn't include one.

llvm-svn: 79240
 2009-08-17 15:25:05 +00:00
Owen Anderson
55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Owen Anderson
5a1acd9912 Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721
 2009-07-31 20:28:14 +00:00
Owen Anderson
23a204d91b Move getTrue() and getFalse() to 2.5-like APIs. 
llvm-svn: 77685
 2009-07-31 17:39:07 +00:00
Owen Anderson
b292b8ce70 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
Owen Anderson
487375e9a2 Move ConstantExpr to 2.5 API. 
llvm-svn: 77494
 2009-07-29 18:55:55 +00:00
Daniel Dunbar
9813b0b025 Eliminate some uses of DOUT, cerr, and getNameStart(). 
llvm-svn: 77145
 2009-07-26 07:49:05 +00:00
Daniel Dunbar
0dd5e1ed39 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Owen Anderson
47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Owen Anderson
c37bc69e91 Rename getConstantInt{True|False} to get{True|False} at Chris' behest. 
llvm-svn: 76598
 2009-07-21 18:03:38 +00:00
Owen Anderson
20b34ac794 Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in 
our current context-passing stuff, which is also fixed here

llvm-svn: 76089
 2009-07-16 18:04:31 +00:00
Torok Edwin
fbcc663cbf llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Owen Anderson
542619e6d5 Move more functionality over to LLVMContext. 
llvm-svn: 75497
 2009-07-13 20:58:05 +00:00
Torok Edwin
56d0659726 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
 2009-07-11 20:10:48 +00:00
Torok Edwin
ccb29cd290 Convert more assert(0)+abort() -> LLVM_UNREACHABLE, 
and abort()/exit() -> llvm_report_error().

llvm-svn: 75363
 2009-07-11 13:10:19 +00:00
Owen Anderson
38264b1554 "LLVMContext* " --> "LLVMContext *" 
llvm-svn: 74878
 2009-07-06 23:00:19 +00:00
Owen Anderson
f1f1743b2e Finish LLVMContext-ing lib/Analysis. This required pushing LLVMContext's through the ValueTracking API. 
llvm-svn: 74873
 2009-07-06 22:37:39 +00:00
Owen Anderson
39f00cc1d4 Thread LLVMContext through the constant folding APIs, which touches a lot of files. 
llvm-svn: 74844
 2009-07-06 18:42:36 +00:00
Owen Anderson
340288c621 Even more passes being LLVMContext'd. 
llvm-svn: 74781
 2009-07-03 19:42:02 +00:00
Nick Lewycky
7ea68536b5 Don't crash on multiple return value with no obvious inserted value. 
Fixes PR4314.

llvm-svn: 73007
 2009-06-06 23:13:08 +00:00
Nick Lewycky
206876e2da Use Operands.data() instead of &Operands[0] where Operands is a potentially 
empty SmallVector.

llvm-svn: 72512
 2009-05-28 04:08:10 +00:00
Duncan Sands
1f15ca7c7a Factorize out a concept - no functionality change. 
llvm-svn: 67454
 2009-03-21 21:27:31 +00:00
Duncan Sands
a09e0afe74 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).

llvm-svn: 67407
 2009-03-20 21:53:29 +00:00
Rafael Espindola
6de96a1b5d Add the private linkage. 
llvm-svn: 62279
 2009-01-15 20:18:42 +00:00
Chris Lattner
8fb9480ed2 Fix PR3325, a miscompilation of invokes by IPSCCP. Patch by Jay Foad! 
llvm-svn: 62244
 2009-01-14 21:01:16 +00:00
Devang Patel
45f1ae028e Fix unused variable warnings. 
llvm-svn: 59778
 2008-11-21 01:52:59 +00:00
Nick Lewycky
d73806a9cc Replace explicit loop with utility function. 
llvm-svn: 58593
 2008-11-03 03:49:14 +00:00
Dan Gohman
a79db30d28 Tidy up several unbeseeming casts from pointer to intptr_t. 
llvm-svn: 55779
 2008-09-04 17:05:41 +00:00
Chris Lattner
add44f3fb7 improve encapsulation of the BBExecutable set. 
llvm-svn: 55271
 2008-08-23 23:39:31 +00:00
Chris Lattner
65938fc69a Switch an assortment of maps, sets and vectors to more efficient versions, 
patch contributed by m-s!

llvm-svn: 55270
 2008-08-23 23:36:38 +00:00
Bill Wendling
861bec78f8 Temporarily revert r54792. It's causing an ICE during bootstrapping. 
llvm-svn: 54804
 2008-08-14 23:05:24 +00:00
Devang Patel
52dc07b01a Use DenseMap. Patch by Pratik Solanki. 
llvm-svn: 54792
 2008-08-14 21:31:10 +00:00
Dan Gohman
8ded5d5884 Fix SCCP's handling of struct value loads and stores. SCCP doesn't 
track individual leaf values in such cases, so it needs to treat
struct values as normal values in this case.

llvm-svn: 54760
 2008-08-13 21:22:48 +00:00