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Author SHA1 Message Date
Victor Hernandez
66284e063a 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84987 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-24 04:23:03 +00:00
Evan Cheng
5a850beb2e 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-24 02:07:42 +00:00
Anton Korobeynikov
efcd89a5f6 Add some asserts to catch copyRegToReg() fails early 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84983 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-24 00:27:00 +00:00
Jim Grosbach
2f1abe2dae Restrict Thumb1 register allocation to low registers, even for instructions that 
can access the hi regs. Our prologue and epilogue code doesn't know how to
properly handle save/restore of the hi regs, so things go badly when we alloc
them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-24 00:19:24 +00:00
Evan Cheng
c9dfeb1be8 Identity copies should not contribute to spill weight. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84978 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 23:09:19 +00:00
Jim Grosbach
7388037dd1 FIXME no longer applies. R12 and R3 are available for allocation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84977 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 23:07:42 +00:00
Jeffrey Yasskin
23e5fcfec4 Fix http://llvm.org/PR4822: allow module deletion after a function has been 
compiled.

When functions are compiled, they accumulate references in the JITResolver's
stub maps. This patch removes those references when the functions are
destroyed.  It's illegal to destroy a Function when any thread may still try to
call its machine code.

This patch also updates r83987 to use ValueMap instead of explicit CallbackVHs
and fixes a couple "do stuff inside assert()" bugs from r84522.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 22:37:43 +00:00
Victor Hernandez
7b929dad59 Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84969 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 21:09:37 +00:00
Jeffrey Yasskin
4ab74cdc12 Fix stylistic and documentation problems in ValueMap found by Nick Lewycky and 
Evan Cheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84967 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 20:54:00 +00:00
Dan Gohman
7abbd04e90 APInt-ify the gep scaling code, so that it correctly handles the case where 
the scale overflows pointer-sized arithmetic. This fixes PR5281.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84954 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 17:57:43 +00:00
Dan Gohman
934af9cfe0 Make LoopDeletion check the maximum backedge taken count, rather than the 
exact backedge taken count, when checking for infinite loops. This allows
it to delete loops with multiple exit conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84952 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 17:10:01 +00:00
Chris Lattner
9ff9b34dd1 some stuff is done, we still have constantexpr simplification to do. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84943 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 07:00:55 +00:00
Chris Lattner
17f0cd3cc1 teach libanalysis to simplify vector loads with bitcast sources. This 
implements something out of Target/README.txt producing:

_foo:                                                       ## @foo
	movl	4(%esp), %eax
	movapd	LCPI1_0, %xmm0
	movapd	%xmm0, (%eax)
	ret	$4

instead of:

_foo:                                                       ## @foo
	movl	4(%esp), %eax
	movapd	_b, %xmm0
	mulpd	LCPI1_0, %xmm0
	addpd	_a, %xmm0
	movapd	%xmm0, (%eax)
	ret	$4



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84942 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 06:57:37 +00:00
Chris Lattner
739208a790 enhance FoldReinterpretLoadFromConstPtr to handle loads of up to 32 
bytes (i256).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84941 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 06:50:36 +00:00
Chris Lattner
fe8c7c807c teach libanalysis to fold int and fp loads from almost arbitrary 
non-type-safe constant initializers.  This sort of thing happens
quite a bit for 4-byte loads out of string constants, unions, 
bitfields, and an interesting endianness check from sqlite, which
is something like this:

const int sqlite3one = 1;
# define SQLITE_BIGENDIAN    (*(char *)(&sqlite3one)==0)
# define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1)
# define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE)

all of these macros now constant fold away.

This implements PR3152 and is based on a patch started by Eli, but heavily
modified and extended.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84936 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 06:23:49 +00:00
Tanya Lattner
f08803b889 Add 2.6 release note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84934 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 06:20:06 +00:00
Evan Cheng
b6c215b63f Update tests for 84931. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84932 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 05:58:34 +00:00
Evan Cheng
c869d063d4 X86 needs critical path anti-dependency breaking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 05:57:35 +00:00
Dale Johannesen
a223aed126 Commit fixes for half precision I noted in review, so 
they don't get lost; I don't think the originator has
write access.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84928 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 04:02:51 +00:00
Bill Wendling
81dc7861a4 This is passing on Darwin PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 01:37:01 +00:00
Victor Hernandez
336ea06493 Minor code cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 00:59:10 +00:00
Bill Wendling
dfd85c142f Neuter stack protectors by only checking character arrays. This is what GCC 
does.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84916 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-23 00:01:05 +00:00
David Goodwin
4c3715c2e5 Allow the target to select the level of anti-dependence breaking that should be performed by the post-RA scheduler. The default is none. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84911 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 23:19:17 +00:00
Ted Kremenek
8201ebd40b Use 'waitpid' instead of 'wait'. Basing Program::Wait() on 'wait()' prevents it being correct within a multithreaded context. 
This address: PR 5277 (Program::Wait is unsafe to call from multiple threads).

Note: If waitpid() turns out to be non-portable, we can add more autoconf magic, or look into
another solution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84903 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 22:16:17 +00:00
Jeffrey Yasskin
71a5c22c2b Try r84890 again (adding ValueMap<>), now that I've tested the compile on 
gcc-4.4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84902 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 22:11:22 +00:00
Eric Christopher
abc5ac7289 size_t, not unsigned here to silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 22:06:50 +00:00
Benjamin Kramer
a0b0562a35 Random include cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84898 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 21:49:41 +00:00
Jeffrey Yasskin
c367e0c0fc Fix OProfileJITEventListener after r84054 renamed CompileUnit to Scope. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84895 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 20:57:35 +00:00
Bill Wendling
48dc29ef91 Tidying up some code and comments. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84894 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 20:48:59 +00:00
Jeffrey Yasskin
a84c9db467 Revert r84890, which broke the linux build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 20:23:43 +00:00
Jeffrey Yasskin
e0a234029b Add a ValueMap<ValueOrSubclass*, T> type. ValueMap<Value*, T> is safe to use 
even when keys get RAUWed and deleted during its lifetime. By default the keys
act like WeakVHs, but users can pass a third template parameter to configure
how updates work and whether to do anything beyond updating the map on each
action.

It's also possible to automatically acquire a lock around ValueMap updates
triggered by RAUWs and deletes, to support the ExecutionEngine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84890 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 20:10:20 +00:00
Devang Patel
9d89df1690 Hide MetadataContext implementation details. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84886 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 19:36:54 +00:00
Devang Patel
f61b2371c8 Fix getMDs() interface such that it does not expose implementation details. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84885 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 18:55:16 +00:00
Devang Patel
b5681b2293 Using TrackingVH instead of WeakVH or WeakMetadataVH. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84884 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 18:25:28 +00:00
Devang Patel
d41fc65c56 Sort handler names to ensure deterministic behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 17:40:37 +00:00
Stuart Hastings
4a53e1ef9d Trying again to tweak the top-level Makefile to facilitate an Apple-style build. 
Now with Clang-compatibility.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84872 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 17:22:37 +00:00
Bob Wilson
bac6ed4ba4 Revert 84843. Evan, this was breaking some of the if-conversion tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84868 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 16:52:21 +00:00
Duncan Sands
09b5d90429 Include config.h in order to have HAVE_STDINT_H be defined. 
In the latest binutils the plugin-api.h needs this - without
it the LLVM gold plugin fails to compile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84861 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 16:03:32 +00:00
Nicolas Geoffray
71e0b7c560 Verify that the function and exception table have been allocated 
before freeing them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 14:35:57 +00:00
Duncan Sands
9772acdb47 Check that accessing a struct field that occurs before the start 
of the struct (!) works correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84853 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 12:53:25 +00:00
Duncan Sands
65a168cff3 Test handling of record fields with negative offsets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84851 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 10:02:10 +00:00
Benjamin Kramer
1395d1df09 Shift art to the right to keep GCC from complaining about multi-line comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84849 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 09:28:49 +00:00
Evan Cheng
87689d3b70 Move if-conversion before post-regalloc scheduling so the predicated instruction get scheduled properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 06:48:32 +00:00
Evan Cheng
faf93aa233 Load / store multiple was missing opportunites when the load / store bundles are at the end of the bb. Test case is already in, the bug is exposed by subsequent commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84842 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 06:47:35 +00:00
Chris Lattner
e00c43fc35 move another load optimization from instcombine -> libanalysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84841 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 06:44:07 +00:00
Chris Lattner
62d327e241 move 'loading i32 from string' optimization from instcombine 
to libanalysis.  Instcombine shrinking... does this even 
make sense???


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84840 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 06:38:35 +00:00
Chris Lattner
878e494670 Move some constant folding logic for loads out of instcombine into 
Analysis/ConstantFolding.cpp.  This doesn't change the behavior of
instcombine but makes other clients of ConstantFoldInstruction
able to handle loads.  This was partially extracted from Eli's patch
in PR3152.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 06:25:11 +00:00
Evan Cheng
62d1723a9c Trim more includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84832 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 05:11:00 +00:00
Evan Cheng
268c79350e Trim include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84831 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 05:08:49 +00:00
Chris Lattner
0841564bc4 testcase for PR4678 & rdar://7309675 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84830 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-22 04:47:09 +00:00