bbf53937a4
Make dense maps keyed on physical registers smallerusing
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MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.
Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.
llvm-svn: 11477
2004-02-15 21:37:17 +00:00
2c5ddd20ba
Eliminate the use of spill (reserved) registers.
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llvm-svn: 11476
2004-02-15 10:24:21 +00:00
8579a6fafc
QOI bug fixed
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llvm-svn: 11475
2004-02-15 06:00:04 +00:00
76b2ff4ded
Adjustments to support the new ConstantAggregateZero class
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llvm-svn: 11474
2004-02-15 05:55:15 +00:00
7bea8084e0
Add support for the new ConstantAggregateZero class
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llvm-svn: 11473
2004-02-15 05:54:27 +00:00
834b1272f3
Make the JIT zero out globals with memset instead of an element at a time. This
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should speed it up a bit on a lot of programs
llvm-svn: 11472
2004-02-15 05:54:06 +00:00
218eb798a2
No need to scan zero initializers. This should make DSA a bit faster.
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llvm-svn: 11471
2004-02-15 05:53:42 +00:00
9fba3da879
Add a new ConstantAggregateZero class, to fix PR239. This makes zero
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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
2d6fca9717
finegrainify namespacification
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llvm-svn: 11469
2004-02-15 05:52:36 +00:00
e9fbbc25a1
Bug fixed
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llvm-svn: 11468
2004-02-15 05:47:37 +00:00
015e821279
ConstantArray::get and ConstantStruct::get now just return pointers to
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'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
37a716fa80
Remove dependence on return type of ConstantStruct::get
...
llvm-svn: 11466
2004-02-15 04:07:32 +00:00
c75bf528c1
Remove dependence on the return type of ConstantArray::get
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llvm-svn: 11463
2004-02-15 04:05:58 +00:00
5d56c478ba
Keep a cache of non-abstract null arrays and structs. This speeds up llvm-dis
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from 16.57 -> 13.46s on 129.compress.
llvm-svn: 11462
2004-02-15 02:46:46 +00:00
0836c10052
Testcase for PR205: [llvmgcc] C front-end does not emit 'zeroinitializer' when possible
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llvm-svn: 11461
2004-02-15 02:19:08 +00:00
3e86e1b0f7
Test for actual support, not just for lack of crashage
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llvm-svn: 11460
2004-02-15 01:21:39 +00:00
a9084948ff
Implement llvm.(frame|return)address(0) correctly. They are used by the LLVM JIT, among other
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applications
llvm-svn: 11459
2004-02-15 01:04:03 +00:00
636e19d4b1
Fix problem in DEBUG code. I could be pointing past the end and
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dereferencing it causes an assertion error.
llvm-svn: 11458
2004-02-15 00:46:41 +00:00
d5eec5ebcf
New code quality fix
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llvm-svn: 11457
2004-02-15 00:23:15 +00:00
f070437543
New testcase for PR237: [x86] wierd stack/frame pointer manipulation
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llvm-svn: 11456
2004-02-15 00:21:04 +00:00
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
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
6a35516dcc
Add back machine code deleter pass until we get a MachineCode pass
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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
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
2e4acc0a73
Add support for the 'pop' instruction
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llvm-svn: 11451
2004-02-14 21:06:02 +00:00
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
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
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
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
34c47d967e
fix typeo
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llvm-svn: 11446
2004-02-14 19:27:26 +00:00
9f75a55329
finegrainify namespacification, fix 80col prob
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llvm-svn: 11445
2004-02-14 06:00:36 +00:00
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
d6a39eaa70
Urg, right. These need an input value...
...
llvm-svn: 11443
2004-02-14 04:47:23 +00:00
2f49d5bb35
Codegen llvm.memset into rep stos[bwd]. Simplify code for llvm.memcpy
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llvm-svn: 11442
2004-02-14 04:46:05 +00:00
8bed37595d
add 'rep stos[bwd]' instructions
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llvm-svn: 11441
2004-02-14 04:45:37 +00:00
2c0d1265dc
new testcase for llvm.memset generation
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llvm-svn: 11440
2004-02-14 04:26:15 +00:00
141ebb625d
These should be mentioned
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llvm-svn: 11439
2004-02-14 04:12:41 +00:00
3649c3aaf7
Document new intrinsics
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llvm-svn: 11438
2004-02-14 04:08:35 +00:00
3646dadc6c
builtin_return/frame_address now work
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llvm-svn: 11437
2004-02-14 04:08:29 +00:00
451f1bca6f
Testcase for builtin frame/return address
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llvm-svn: 11436
2004-02-14 04:06:48 +00:00
cd947e4b8b
Test that the CFE compiles memset and bzero to llvm.memset
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llvm-svn: 11435
2004-02-14 03:46:37 +00:00
cf81fc70a4
Add a testcase for the frameaddress and returnaddress intrinsics.
...
llvm-svn: 11434
2004-02-14 02:55:47 +00:00
f7c1088a36
Add support for the returnaddress and frameaddress intrinsics
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llvm-svn: 11433
2004-02-14 02:55:36 +00:00
3c4bc03c8a
Test that the code generator supports these intrinsics
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llvm-svn: 11432
2004-02-14 02:51:40 +00:00
dc632111bf
Add llvm.memset/frameaddress/returnaddress intrinsics.
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llvm-svn: 11431
2004-02-14 02:47:17 +00:00
5a92240270
Use newly added next() and prior() utility functions.
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llvm-svn: 11430
2004-02-14 01:18:34 +00:00
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
a9c61b33c6
Updates for the C backend's movement
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llvm-svn: 11428
2004-02-14 01:07:17 +00:00
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
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
Alkis Evlogimenos