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Author SHA1 Message Date
Chris Lattner
6830c25f35 I missed a checking with my GVN change. 
llvm-svn: 131851
 2011-05-22 07:20:02 +00:00
Chris Lattner
2be4296485 insertvalue takes a variable number of arguments, document this, fixing PR9935. 
llvm-svn: 131850
 2011-05-22 07:18:08 +00:00
Chris Lattner
98ce5cd957 fix PR9856, an incorrectly conservative assertion: a global can be 
"stored once" even if its address is compared.

llvm-svn: 131849
 2011-05-22 07:15:13 +00:00
Chris Lattner
6cce3b63ab fix PR9841 by having GVN not process dead loads. This was 
causing it to get into infinite loops when it would widen a 
load (which can necessarily leave around dead loads).

llvm-svn: 131847
 2011-05-22 07:03:34 +00:00
Chris Lattner
dcb6599980 remove a trivial test, make some other tests less trivial. 
llvm-svn: 131846
 2011-05-22 07:02:43 +00:00
Chris Lattner
ed5d5cc74d make this test less trivial. 
llvm-svn: 131845
 2011-05-22 06:59:33 +00:00
Chris Lattner
84d1d4b89c initialize and finalize function passes, pointed out by Cameron. 
llvm-svn: 131843
 2011-05-22 06:44:19 +00:00
Chris Lattner
75adf06d44 fix a bug for hosts without round, PR8893. 
llvm-svn: 131842
 2011-05-22 06:03:53 +00:00
Chris Lattner
9359dea740 move PR9408 here. 
llvm-svn: 131841
 2011-05-22 05:45:06 +00:00
Nick Lewycky
82ddea6aaa Commit test change, forgotten as part of r131838. 
llvm-svn: 131839
 2011-05-22 05:31:47 +00:00
Nick Lewycky
9f7644d549 Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables 
of the inlinee to the code representing the original function.

llvm-svn: 131838
 2011-05-22 05:22:10 +00:00
Chris Lattner
7eb3367809 switch to using a smallvector to avoid allocations for most normal size instructions. 
llvm-svn: 131837
 2011-05-22 04:53:24 +00:00
Chris Lattner
b58a888c57 tidy some things up. 
llvm-svn: 131836
 2011-05-22 04:52:24 +00:00
Chris Lattner
1520c4f4f0 Fix some minor typos and grammar. 
llvm-svn: 131835
 2011-05-22 04:44:48 +00:00
Charles Davis
d74119d139 Implement emission of all Win64 exception tables. Make the COFF streamer emit 
these tables.

llvm-svn: 131833
 2011-05-22 04:15:07 +00:00
Charles Davis
c23700bb65 Make the COFF streamer emit unwind info when processing a .seh_handlerdata 
directive.

Implement emission of Win64 EH unwind info.

Pull in <cassert> in MCWin64EH.h so it can use the assert() macro.

llvm-svn: 131832
 2011-05-22 03:01:05 +00:00
Nick Lewycky
7cc4d86ea6 Fix grammar in test. 
llvm-svn: 131831
 2011-05-22 01:16:00 +00:00
Charles Davis
a537e589c9 Don't allow unaligned offsets and sizes in the Win64 EH directives. 
Also, fix threshold for 'Big' register saves.

llvm-svn: 131830
 2011-05-22 00:56:20 +00:00
Chris Lattner
69a52dd280 random comment cleanups. 
llvm-svn: 131829
 2011-05-22 00:50:53 +00:00
Chris Lattner
9413ffa53b fix a file system case sensitivity issue. 
llvm-svn: 131828
 2011-05-22 00:37:51 +00:00
Chris Lattner
03d83a7b9b remove StandardPasses, it has been replaced with PassManagerBuilder 
llvm-svn: 131827
 2011-05-22 00:30:45 +00:00
Chris Lattner
dd750b0404 switch opt to using PassManagerBuilder.h 
llvm-svn: 131824
 2011-05-22 00:21:33 +00:00
Chris Lattner
a9a8b633ae switch llvm-ld. It has a terrible mechanism that people can add extra 
passes, it should be converted to use extension points.

llvm-svn: 131823
 2011-05-22 00:21:15 +00:00
Chris Lattner
89036e6501 switch bugpoint and liblto to PassManagerBuilder. 
llvm-svn: 131821
 2011-05-22 00:20:07 +00:00
Chris Lattner
6e81571c48 add support for LTO passes. 
llvm-svn: 131820
 2011-05-22 00:14:20 +00:00
Chris Lattner
c383dd2c87 eliminate dependence on StandardPasses.h. The code generator's pass pipeline 
should eventually convert to PMBuilder, but I don't plan to do this.

llvm-svn: 131819
 2011-05-22 00:13:44 +00:00
Charles Davis
49f650f80b Include DataTypes.h from this header to get the uint*_t types. 
llvm-svn: 131817
 2011-05-22 00:05:26 +00:00
Charles Davis
53b696daee Allow access to the .pdata and .xdata sections through the TargetAsmInfo 
class.

llvm-svn: 131816
 2011-05-22 00:03:24 +00:00
Chris Lattner
03847f8199 add an extension point mechanism that allow plugins to add stuff to 
the pass manager.

llvm-svn: 131814
 2011-05-21 23:50:37 +00:00
Nick Lewycky
0539f44b9f Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans to 
use these soon.

llvm-svn: 131812
 2011-05-21 23:14:36 +00:00
Duncan Sands
c228e6bdea Revert commit 131781, to see if it fixes the x86-64 dragonegg buildbot. 
Original log message:
When BasicAA can determine that two pointers have the same base but
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.

llvm-svn: 131809
 2011-05-21 20:54:46 +00:00
Chris Lattner
d2e2d612c0 add a new PassManagerBuilder class to replace StandardPasses.h 
llvm-svn: 131807
 2011-05-21 20:39:42 +00:00
Chris Lattner
777808dcaf add a copy ctor to TargetLibraryInfo. 
llvm-svn: 131806
 2011-05-21 20:09:13 +00:00
Eli Friedman
58beee1262 PR7952: Make isa<> use the same logic as cast<>, so that they both work 
consistently.

llvm-svn: 131803
 2011-05-21 19:13:10 +00:00
Benjamin Kramer
85e86083d5 X86: smulo -> add is now done target-independently in DAGCombiner, remove the patterns. 
llvm-svn: 131801
 2011-05-21 18:32:01 +00:00
Benjamin Kramer
df3070e83d Implement mulo x, 2 -> addo x, x in DAGCombiner. 
llvm-svn: 131800
 2011-05-21 18:31:55 +00:00
Benjamin Kramer
e55e27c161 Merge and FileCheckize test cases. 
llvm-svn: 131799
 2011-05-21 18:31:48 +00:00
Benjamin Kramer
24f75ab769 Revert "InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X)" 
It's better to do this in codegen, mul.with.overflow(X, 2) is more canonical because it has only one use on "X".

llvm-svn: 131798
 2011-05-21 18:31:42 +00:00
Charles Davis
525855fe48 Don't allow .seh_handler and .seh_handlerdata directives inside chained 
unwind areas.

llvm-svn: 131795
 2011-05-21 17:36:25 +00:00
Charles Davis
7f9c007dce A handler for a function in the Win64 EH scheme can be both an unwind handler 
and an exception handler. Handle that case.

Also, add an 'Emitted' member to the MCWin64EHUnwindInfo struct. It will be
needed later.

llvm-svn: 131791
 2011-05-21 15:57:49 +00:00
Benjamin Kramer
51d1eac4bc InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X) 
llvm-svn: 131789
 2011-05-21 09:22:06 +00:00
Cameron Zwarich
28ea8de263 Fix PR9978 by adding RIP to GR64_TC so it can be used as an address in PIC code. It 
is already in GR64 for the same reasons. Since it isn't allocatable it can't cause
any problems.

llvm-svn: 131787
 2011-05-21 04:13:49 +00:00
Akira Hatanaka
af8143cdde Use the correct register to access stack frame objects. 
llvm-svn: 131785
 2011-05-21 03:01:03 +00:00
Akira Hatanaka
6605a1e1a6 Insert instructions that copy $sp to or from $fp at the right locations. 
llvm-svn: 131784
 2011-05-21 02:29:26 +00:00
Dan Gohman
048c261e5d When BasicAA can determine that two pointers have the same base but 
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.

llvm-svn: 131781
 2011-05-21 01:05:08 +00:00
Andrew Trick
9f867fd2dc Have Program::Wait return -2 for crashed and timeouts instead of embedding 
info in the error message. Per Dan's request.

llvm-svn: 131780
 2011-05-21 00:56:46 +00:00
Charles Davis
520128d52f Set the "LastFrameInst" field when streaming a .seh_setframe directive. This 
is needed for an upcoming patch.

llvm-svn: 131772
 2011-05-21 00:09:04 +00:00
Cameron Zwarich
00ec3d1f9f Fix PR9962 by properly constraining register classes in RemoveCopyByCommutingDef(). This 
actually fixes most of the VerifyCoalescing failures in test-suite.

llvm-svn: 131768
 2011-05-20 23:25:36 +00:00
Akira Hatanaka
66b7b0949f Change the order fixed objects are created in MipsTargetLowering::LowerCall in 
preparation for reversing StackDirection.

Fixed objects are created in the following order:  
 1. Incoming arguments passed on stack.
 2. va_arg objects (include both arguments that are passed in registers and
    pointer to the location of the first va_arg argument).
 3. $gp restore slot.
 4. Outgoing arguments passed on stack.
 5. Pointer to alloca'd space.

llvm-svn: 131767
 2011-05-20 23:22:14 +00:00
Charles Davis
445c467ced Fix typo. When will I learn? 
llvm-svn: 131765
 2011-05-20 22:23:34 +00:00