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Author SHA1 Message Date
Chris Lattner
0e7fb375bf New code quality fix 
llvm-svn: 11457
 2004-02-15 00:23:15 +00:00
Chris Lattner
402f5ee496 New testcase for PR237: [x86] wierd stack/frame pointer manipulation 
llvm-svn: 11456
 2004-02-15 00:21:04 +00:00
Chris Lattner
679c106ce3 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
18c5e0065f 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
e8f9647831 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
0a88b596b1 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
cc5bf36481 Add support for the 'pop' instruction 
llvm-svn: 11451
 2004-02-14 21:06:02 +00:00
Chris Lattner
3246911460 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
1130fb28d9 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
f28479d600 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
b8bfcaff7e 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
49c1f92c5c fix typeo 
llvm-svn: 11446
 2004-02-14 19:27:26 +00:00
Chris Lattner
1248c8a7f7 finegrainify namespacification, fix 80col prob 
llvm-svn: 11445
 2004-02-14 06:00:36 +00:00
Chris Lattner
a25668bd6d 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
c87772961e Urg, right. These need an input value... 
llvm-svn: 11443
 2004-02-14 04:47:23 +00:00
Chris Lattner
69b716e81c 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
6890963e48 add 'rep stos[bwd]' instructions 
llvm-svn: 11441
 2004-02-14 04:45:37 +00:00
Chris Lattner
5e8b7140fd new testcase for llvm.memset generation 
llvm-svn: 11440
 2004-02-14 04:26:15 +00:00
Chris Lattner
24cd846cc2 These should be mentioned 
llvm-svn: 11439
 2004-02-14 04:12:41 +00:00
Chris Lattner
b4df99f307 Document new intrinsics 
llvm-svn: 11438
 2004-02-14 04:08:35 +00:00
Chris Lattner
fcf79d7e46 builtin_return/frame_address now work 
llvm-svn: 11437
 2004-02-14 04:08:29 +00:00
Chris Lattner
0f95c3097f Testcase for builtin frame/return address 
llvm-svn: 11436
 2004-02-14 04:06:48 +00:00
Chris Lattner
92d5901cb8 Test that the CFE compiles memset and bzero to llvm.memset 
llvm-svn: 11435
 2004-02-14 03:46:37 +00:00
Chris Lattner
89f1862671 Add a testcase for the frameaddress and returnaddress intrinsics. 
llvm-svn: 11434
 2004-02-14 02:55:47 +00:00
Chris Lattner
b8ecb673d1 Add support for the returnaddress and frameaddress intrinsics 
llvm-svn: 11433
 2004-02-14 02:55:36 +00:00
Chris Lattner
7ab8db4907 Test that the code generator supports these intrinsics 
llvm-svn: 11432
 2004-02-14 02:51:40 +00:00
Chris Lattner
cdfcb976c7 Add llvm.memset/frameaddress/returnaddress intrinsics. 
llvm-svn: 11431
 2004-02-14 02:47:17 +00:00
Alkis Evlogimenos
a31a767307 Use newly added next() and prior() utility functions. 
llvm-svn: 11430
 2004-02-14 01:18:34 +00:00
Alkis Evlogimenos
fa9e207a22 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
15229988fb Updates for the C backend's movement 
llvm-svn: 11428
 2004-02-14 01:07:17 +00:00
Alkis Evlogimenos
3eeb600093 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
83c5c942ca 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
1bad051558 Add method 
llvm-svn: 11425
 2004-02-14 00:30:31 +00:00
Chris Lattner
6c31b081e4 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
Misha Brukman
b872c6fe8d Break a line that's over 80cols into two. 
llvm-svn: 11423
 2004-02-13 23:46:47 +00:00
Chris Lattner
bc565b2a6c There is no need to emit a shift if the size is constant, which is common 
llvm-svn: 11420
 2004-02-13 23:36:47 +00:00
Chris Lattner
8641f2fb58 Make sure to provide a prototype for the cbackend 
llvm-svn: 11419
 2004-02-13 23:36:03 +00:00
Chris Lattner
03eb5eb4f7 Update tests 
llvm-svn: 11418
 2004-02-13 23:33:17 +00:00
Chris Lattner
3681a0bd3f Moved directory, update makefile 
llvm-svn: 11417
 2004-02-13 23:31:12 +00:00
Chris Lattner
85667eca81 CBackend is no longer here 
llvm-svn: 11416
 2004-02-13 23:29:37 +00:00
Chris Lattner
9301df3932 CBackend now lives here 
llvm-svn: 11415
 2004-02-13 23:29:20 +00:00
Chris Lattner
e2a5f8c233 Do not advertise our -c option anymore 
llvm-svn: 11413
 2004-02-13 23:24:46 +00:00
Chris Lattner
a2896eaee0 Mercilessly rip the cbackend out of llvm-dis. Leave a helpful error message 
for those who have not heard the news.

llvm-svn: 11412
 2004-02-13 23:22:40 +00:00
Chris Lattner
c3f1cb677f The cbackend has never had anything to do with llvm assembly writing 
llvm-svn: 11411
 2004-02-13 23:19:51 +00:00
Chris Lattner
5a793ef4b5 Add support for -march=c 
llvm-svn: 11410
 2004-02-13 23:19:09 +00:00
Chris Lattner
d076de4bf3 Convert the C backend into a target, for use with LLC. This allows us to use 
the lowerallocations pass to eliminate malloc/free warnings and hackish code

llvm-svn: 11409
 2004-02-13 23:18:48 +00:00
Chris Lattner
93da3b1886 Change how we create the cwriter, and add a buttload of libraries that it now 
needs.  This will be fixed shortly

llvm-svn: 11407
 2004-02-13 23:01:14 +00:00
Chris Lattner
d2cd0afd11 Change access to the cwriter 
llvm-svn: 11406
 2004-02-13 23:00:45 +00:00
Chris Lattner
81155b0069 Make the cwriter use the lowerinvoke pass so that it can either use "disabled exceptions" or 
"expensive exceptions" controlled by an option.  Also refactor and eliminate a bunch of cruft.
This is a temporary solution and causes millions of warnings to pour out of programs that use
exceptions, but it should fix the problem with sparc and the 'write' declaration (PR190).
Subsequent changes will make this stink much less

llvm-svn: 11405
 2004-02-13 23:00:29 +00:00
Chris Lattner
110d7bd802 New testcase. The CFE should not generate illegal LLVM intrinsics, even if 
the input program is horribly broken (like 126.gcc).

llvm-svn: 11401
 2004-02-13 22:04:41 +00:00