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10379 Commits

Author SHA1 Message Date
Chris Lattner 8579a6fafc QOI bug fixed 
llvm-svn: 11475
 2004-02-15 06:00:04 +00:00
Chris Lattner 76b2ff4ded Adjustments to support the new ConstantAggregateZero class 
llvm-svn: 11474
 2004-02-15 05:55:15 +00:00
Chris Lattner 7bea8084e0 Add support for the new ConstantAggregateZero class 
llvm-svn: 11473
 2004-02-15 05:54:27 +00:00
Chris Lattner 834b1272f3 Make the JIT zero out globals with memset instead of an element at a time. This 
should speed it up a bit on a lot of programs

llvm-svn: 11472
 2004-02-15 05:54:06 +00:00
Chris Lattner 218eb798a2 No need to scan zero initializers. This should make DSA a bit faster. 
llvm-svn: 11471
 2004-02-15 05:53:42 +00:00
Chris Lattner 9fba3da879 Add a new ConstantAggregateZero class, to fix PR239. This makes zero 
initializers for constant structs and arrays take constant space, instead of
space proportinal to the number of elements.  This reduces the memory usage of
the LLVM compiler by hundreds of megabytes when compiling some nasty SPEC95
benchmarks.

llvm-svn: 11470
 2004-02-15 05:53:04 +00:00
Chris Lattner 2d6fca9717 finegrainify namespacification 
llvm-svn: 11469
 2004-02-15 05:52:36 +00:00
Chris Lattner e9fbbc25a1 Bug fixed 
llvm-svn: 11468
 2004-02-15 05:47:37 +00:00
Chris Lattner 015e821279 ConstantArray::get and ConstantStruct::get now just return pointers to 
'Constant', instead of specific subclass pointers.  In the future, these will
return an instance of ConstantAggregateZero if all of the inputs are zeros.

llvm-svn: 11467
 2004-02-15 04:14:47 +00:00
Chris Lattner 37a716fa80 Remove dependence on return type of ConstantStruct::get 
llvm-svn: 11466
 2004-02-15 04:07:32 +00:00
Chris Lattner c75bf528c1 Remove dependence on the return type of ConstantArray::get 
llvm-svn: 11463
 2004-02-15 04:05:58 +00:00
Chris Lattner 5d56c478ba Keep a cache of non-abstract null arrays and structs. This speeds up llvm-dis 
from 16.57 -> 13.46s on 129.compress.

llvm-svn: 11462
 2004-02-15 02:46:46 +00:00
Chris Lattner 0836c10052 Testcase for PR205: [llvmgcc] C front-end does not emit 'zeroinitializer' when possible 
llvm-svn: 11461
 2004-02-15 02:19:08 +00:00
Chris Lattner 3e86e1b0f7 Test for actual support, not just for lack of crashage 
llvm-svn: 11460
 2004-02-15 01:21:39 +00:00
Chris Lattner a9084948ff Implement llvm.(frame|return)address(0) correctly. They are used by the LLVM JIT, among other 
applications

llvm-svn: 11459
 2004-02-15 01:04:03 +00:00
Alkis Evlogimenos 636e19d4b1 Fix problem in DEBUG code. I could be pointing past the end and 
dereferencing it causes an assertion error.

llvm-svn: 11458
 2004-02-15 00:46:41 +00:00
Chris Lattner d5eec5ebcf New code quality fix 
llvm-svn: 11457
 2004-02-15 00:23:15 +00:00
Chris Lattner f070437543 New testcase for PR237: [x86] wierd stack/frame pointer manipulation 
llvm-svn: 11456
 2004-02-15 00:21:04 +00:00
Chris Lattner 43e82e1152 Fix the 'have a framepointer' case, so that the frame pointer always points 
to the old saved EBP.

llvm-svn: 11455
 2004-02-15 00:15:37 +00:00
Chris Lattner 1dfa97034d Allow for fixed objects to reside in the local area, and if they don't to not 
clobber them by allocating other objects in the same space!

llvm-svn: 11454
 2004-02-15 00:14:20 +00:00
Alkis Evlogimenos 6a35516dcc Add back machine code deleter pass until we get a MachineCode pass 
that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.

llvm-svn: 11453
 2004-02-15 00:03:15 +00:00
Alkis Evlogimenos fccb75d91e Modularize implementation of LeakDetector into a typed template 
implementation class. This makes the code simpler and allows for more
types to be added easily. It also implements caching for generic
objects (it was only available for llvm objects).

llvm-svn: 11452
 2004-02-14 23:33:39 +00:00
Chris Lattner 2e4acc0a73 Add support for the 'pop' instruction 
llvm-svn: 11451
 2004-02-14 21:06:02 +00:00
Chris Lattner f54cd1524d There is no reason to align the stack pointer if there are no callees of this 
function!

llvm-svn: 11450
 2004-02-14 20:11:07 +00:00
Chris Lattner 612ce0c47c There is no reason to align the stack pointer if there are no callees of this function! 
llvm-svn: 11449
 2004-02-14 20:10:59 +00:00
Chris Lattner 7dceed5ff9 The prologue/epilogue related method calls have no reason to return a value, 
make them return void.

This allows us to avoid some costly MBB.size() calls

llvm-svn: 11448
 2004-02-14 19:49:54 +00:00
Chris Lattner 72862f132c The prologue/epilogue related method calls have no reason to return a value, 
make them return void.

llvm-svn: 11447
 2004-02-14 19:49:05 +00:00
Chris Lattner 34c47d967e fix typeo 
llvm-svn: 11446
 2004-02-14 19:27:26 +00:00
Chris Lattner 9f75a55329 finegrainify namespacification, fix 80col prob 
llvm-svn: 11445
 2004-02-14 06:00:36 +00:00
Chris Lattner 0c48a03374 A target that doesn't support these intrinsics will still meet spec (the 
intrinsic will always produce zero), but it will behave unexpectedly, so
warn like GCC does.

llvm-svn: 11444
 2004-02-14 04:52:06 +00:00
Chris Lattner d6a39eaa70 Urg, right. These need an input value... 
llvm-svn: 11443
 2004-02-14 04:47:23 +00:00
Chris Lattner 2f49d5bb35 Codegen llvm.memset into rep stos[bwd]. Simplify code for llvm.memcpy 
llvm-svn: 11442
 2004-02-14 04:46:05 +00:00
Chris Lattner 8bed37595d add 'rep stos[bwd]' instructions 
llvm-svn: 11441
 2004-02-14 04:45:37 +00:00
Chris Lattner 2c0d1265dc new testcase for llvm.memset generation 
llvm-svn: 11440
 2004-02-14 04:26:15 +00:00
Chris Lattner 141ebb625d These should be mentioned 
llvm-svn: 11439
 2004-02-14 04:12:41 +00:00
Chris Lattner 3649c3aaf7 Document new intrinsics 
llvm-svn: 11438
 2004-02-14 04:08:35 +00:00
Chris Lattner 3646dadc6c builtin_return/frame_address now work 
llvm-svn: 11437
 2004-02-14 04:08:29 +00:00
Chris Lattner 451f1bca6f Testcase for builtin frame/return address 
llvm-svn: 11436
 2004-02-14 04:06:48 +00:00
Chris Lattner cd947e4b8b Test that the CFE compiles memset and bzero to llvm.memset 
llvm-svn: 11435
 2004-02-14 03:46:37 +00:00
Chris Lattner cf81fc70a4 Add a testcase for the frameaddress and returnaddress intrinsics. 
llvm-svn: 11434
 2004-02-14 02:55:47 +00:00
Chris Lattner f7c1088a36 Add support for the returnaddress and frameaddress intrinsics 
llvm-svn: 11433
 2004-02-14 02:55:36 +00:00
Chris Lattner 3c4bc03c8a Test that the code generator supports these intrinsics 
llvm-svn: 11432
 2004-02-14 02:51:40 +00:00
Chris Lattner dc632111bf Add llvm.memset/frameaddress/returnaddress intrinsics. 
llvm-svn: 11431
 2004-02-14 02:47:17 +00:00
Alkis Evlogimenos 5a92240270 Use newly added next() and prior() utility functions. 
llvm-svn: 11430
 2004-02-14 01:18:34 +00:00
Alkis Evlogimenos 7c6e4d5ae6 Add next() and prior() iterator utility functions. Unlike std::advance 
they do not modify the passed iterator but return a copy.

next(myIt) returns copy of myIt incremented once
next(myIt, n) returns copy of myIt incremented n times
prior(myIt) returns copy of myIt decremented once
prior(myIt, n) returns copy of myIt decremented n times

While at it remove obsolete implementation of mapped_iterator.

llvm-svn: 11429
 2004-02-14 01:17:28 +00:00
Chris Lattner a9c61b33c6 Updates for the C backend's movement 
llvm-svn: 11428
 2004-02-14 01:07:17 +00:00
Alkis Evlogimenos ddcb4ad53e Use std::numeric_limits<float>::infinity() instead of 
std::numeric_limits<float>::max() for weighting preallocated
intervals.

llvm-svn: 11427
 2004-02-14 00:44:07 +00:00
Chris Lattner 0997f207c2 Use intrinsic lowering like the rest of the backends. Get rid of crufty hacky 
code that worked around problems in the mangler

llvm-svn: 11426
 2004-02-14 00:31:10 +00:00
Chris Lattner 7934640709 Add method 
llvm-svn: 11425
 2004-02-14 00:30:31 +00:00
Chris Lattner 77687a9746 Fix the logic in the name mangler. If there are two symbols named 'X', and one 
is external, make sure to mangle the *internal* one, not external one

llvm-svn: 11424
 2004-02-14 00:30:23 +00:00