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43105 Commits

Author SHA1 Message Date
Chris Lattner a89143f1e0 Add an ugly note. 
llvm-svn: 50029
 2008-04-21 04:46:30 +00:00
Chris Lattner 0645b88852 Add jump threading to liblto. 
llvm-svn: 50028
 2008-04-21 04:31:40 +00:00
Chris Lattner ba994f7cdf run the jump threading pass in llvm-ld also 
llvm-svn: 50027
 2008-04-21 04:28:40 +00:00
Chris Lattner b15e1f963d enable jump threading pass by default. This causes no miscompilations 
and can significantly shrinkify some code, particularly from C++ land.

llvm-svn: 50025
 2008-04-21 04:22:09 +00:00
Chris Lattner 67bec133b2 fix a bug introduced by Nicholas' "unwinds to" stuff: we 
lost newlines between blocks.

llvm-svn: 50024
 2008-04-21 04:20:33 +00:00
Chris Lattner ad0d42ba15 don't assume that the argument passed to fprintf("%s" is a string. This 
fixes a crash in opt on 433.milc.

llvm-svn: 50023
 2008-04-21 03:18:33 +00:00
Chris Lattner f6236cc2e9 Use the new SplitBlockPredecessors to implement a todo. 
llvm-svn: 50022
 2008-04-21 02:57:57 +00:00
Douglas Gregor 89f238cbe1 Clean up handling of function redeclarations 
llvm-svn: 50021
 2008-04-21 02:02:58 +00:00
Chris Lattner a5b11705b6 Move SplitBlockPredecessors out of loopsimplify into BasicBlockUtils.h 
as a global helper function.  At the same type, switch it from taking
a vector of predecessors to an arbitrary sequential input.  This allows
us to switch LoopSimplify to use a SmallVector for various temporary
vectors that it passed into SplitBlockPredecessors.

llvm-svn: 50020
 2008-04-21 01:28:02 +00:00
Chris Lattner d418b06abf Move domtree/frontier updating earlier, allowing us to use it to update phi 
nodes, removing a hack.

llvm-svn: 50019
 2008-04-21 01:05:08 +00:00
Chris Lattner 96e9e22269 Factor dominator tree and frontier updating into SplitBlockPredecessors 
instead of doing it after every call.

llvm-svn: 50018
 2008-04-21 00:54:38 +00:00
Chris Lattner 559c867ece fit some more code in 80 cols. 
llvm-svn: 50016
 2008-04-21 00:25:49 +00:00
Chris Lattner aca912d793 simplify code, fit in 80 cols. 
llvm-svn: 50015
 2008-04-21 00:23:14 +00:00
Chris Lattner 38806c3e9c fit in 80 cols 
llvm-svn: 50014
 2008-04-21 00:19:16 +00:00
Ted Kremenek 5fa90e49a9 Fix improper dereference of end() iterator. Patch by Argiris Kirtzidis! 
llvm-svn: 50012
 2008-04-20 23:54:24 +00:00
Nicolas Geoffray 481f44e12f Be pessimistic in computing the buffer size when aligning. 
llvm-svn: 50008
 2008-04-20 23:39:44 +00:00
Nicolas Geoffray 984e7199cc Don't forget to update the current operand when getting the size of an instruction. 
llvm-svn: 50007
 2008-04-20 23:36:47 +00:00
Chris Lattner ff1c6e388c finish the first cut of a jump threading pass implementation. 
llvm-svn: 50006
 2008-04-20 22:39:42 +00:00
Chris Lattner 567166c0a8 replace a slow and verbose version of Instruction::isUsedOutsideOfBlock with 
a call to Instruction::isUsedOutsideOfBlock.

llvm-svn: 50005
 2008-04-20 22:18:22 +00:00
Chris Lattner 8ec6e8af60 add a handy helper method to instruction, useful for determining 
whether it is used outside of some block.  This can be used to see
if there are any non-local references, for example.

llvm-svn: 50004
 2008-04-20 22:11:30 +00:00
Chris Lattner 9c1f1a82bf we can only thread blocks when there is a pred we can determine the succ of. 
llvm-svn: 50003
 2008-04-20 21:18:09 +00:00
Chris Lattner 2115722ffa improve comments, infrastructure, and add some validity checks for threading. 
Add a cost function.

llvm-svn: 50002
 2008-04-20 21:13:06 +00:00
Nate Begeman 1c906206b8 Fix PR2236 
Add test
Implement feedback from Chris re: PR1998

llvm-svn: 50001
 2008-04-20 20:38:08 +00:00
Chris Lattner b3b6007c8b Add a new Jump Threading pass, which will handle cases 
such as those in PR2235.  Right now the pass is not very
effective. :)

llvm-svn: 50000
 2008-04-20 20:35:01 +00:00
Chris Lattner 912bec79ca hopefully resolve PR2240 
llvm-svn: 49999
 2008-04-20 19:59:12 +00:00
Chris Lattner 14cd1ee95f Two improvements to initializer parsing: 
1. If we hit a semantic error, try harder to recover to emit
   diagnostics for later initializer errors (PR2241).
2. Don't leak parsed initializers on an error.

llvm-svn: 49998
 2008-04-20 19:07:56 +00:00
Chris Lattner 4885b97664 for exponent-related errors, emit the diagnostic on the 'e' or 'p'. 
llvm-svn: 49997
 2008-04-20 18:47:55 +00:00
Chris Lattner 48a9b9beeb when emitting diagnostics about some character in a numeric 
literal, indicate what character the error is about or where
it would be.  For example:

pr2241.c:1:17: error: exponent has no digits
float f[] = { 1e  , 1ee0 };
                ^

llvm-svn: 49996
 2008-04-20 18:41:46 +00:00
Chris Lattner 6b05605829 rearrange some code, simplify handling of shifts. 
llvm-svn: 49995
 2008-04-20 18:24:14 +00:00
Dale Johannesen aac27592f0 Check we aren't trying to convert PPC long double. 
This fixes the testsuite failure on ppcf128-4.ll.

llvm-svn: 49994
 2008-04-20 18:23:46 +00:00
Nicolas Geoffray f77618e6e8 Cosmetic changes, as suggested by Evan. No functionality changes. 
llvm-svn: 49993
 2008-04-20 17:44:19 +00:00
Dale Johannesen 6145727b43 (re)fix handling of UGT. Pointed out by Nick Lewycky. 
llvm-svn: 49991
 2008-04-20 16:58:57 +00:00
Torok Edwin ab20784740 g++-4.3 build-fix: CHAR_BIT requires <climits>. 
llvm-svn: 49989
 2008-04-20 08:33:11 +00:00
Nicolas Geoffray 568f9818f7 Do not hold the JIT lock when materializing a function and verify if the 
function has already been codegen'd. This is required by the Java class loading
mechanism which executes Java code when materializing a function.

llvm-svn: 49988
 2008-04-20 08:33:02 +00:00
Nate Begeman 8e8d498d34 Only generate code for static functions and global variables that are actually used. 
Warn about unused static functions and variables.
This fixes PR1998.

llvm-svn: 49987
 2008-04-20 06:29:50 +00:00
Chris Lattner 470ab00c76 A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2. 
llvm-svn: 49986
 2008-04-20 05:52:46 +00:00
Chris Lattner a124f1e219 Not all x86-64 machines have sse3 apparently. 
llvm-svn: 49985
 2008-04-20 05:47:56 +00:00
Chris Lattner 2cc4e23252 Restructure and simplify Sema::ObjCQualifiedIdTypesAreCompatible, 
deleting dead code, making other code more obvious, and fixing a
bug.  This fixes these (bogus) warnings in release mode:

SemaExprObjC.cpp:383: warning: 'RHSProtoE' may be used uninitialized in this function
SemaExprObjC.cpp:383: warning: 'RHSProtoI' may be used uninitialized in this function

llvm-svn: 49984
 2008-04-20 02:09:31 +00:00
Dale Johannesen 64bbdb17f5 Check that APFloat::convert is not trying to target 
ppc long double, which doesn't work.

This may break some stuff temporarily, but I want to
avoid the propagation of code that assumes this works.

llvm-svn: 49983
 2008-04-20 01:34:03 +00:00
Ted Kremenek 076d13387d html::EscapeText (using the Rewriter) now replaces tabs by default. 
llvm-svn: 49982
 2008-04-20 01:02:33 +00:00
Chris Lattner ff2367c0c9 implement a fixme, add support for ++/-- on long double. 
llvm-svn: 49980
 2008-04-20 00:50:39 +00:00
Chris Lattner 1886e71e47 use simplified ConstantFP:get method. 
llvm-svn: 49979
 2008-04-20 00:45:53 +00:00
Chris Lattner 167dbe5e39 regenerate 
llvm-svn: 49978
 2008-04-20 00:41:19 +00:00
Chris Lattner 3b18762f40 Switch to using Simplified ConstantFP::get API. 
llvm-svn: 49977
 2008-04-20 00:41:09 +00:00
Chris Lattner d3018e6a0e Use simplified ConstantFP::get method, fix a bug handling frem x, 0 with long doubles. 
llvm-svn: 49976
 2008-04-20 00:26:06 +00:00
Chris Lattner 1e517a78a8 replace form feeds with an <hr> tag. 
llvm-svn: 49975
 2008-04-19 23:56:30 +00:00
Chris Lattner 1a44f7fce9 simplify the return of InitializePreprocessor to be bool instead of a fileid 
llvm-svn: 49974
 2008-04-19 23:25:44 +00:00
Chris Lattner ba1f37bfdf simplify ownership of the predefines buffer. 
llvm-svn: 49973
 2008-04-19 23:09:31 +00:00
Chris Lattner 0f103e1304 free(null) -> noop 
llvm-svn: 49972
 2008-04-19 22:41:32 +00:00
Chris Lattner b839c05a05 rename *.llx -> *.ll, last batch. 
llvm-svn: 49971
 2008-04-19 22:32:52 +00:00