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7524b59062
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28399 Commits

Author SHA1 Message Date
Jay Foad
7524b59062 Change TargetData::getIntPtrType() to return an IntegerType instead of 
just a Type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71426 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-11 11:13:47 +00:00
Sanjiv Gupta
e0b4b0e436 Fix more naming issues. 
compiler libcalls start with .lib. now.
fixed section names.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71424 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-11 08:52:04 +00:00
Sanjiv Gupta
0608b49819 Detect calls to compiler intrinsics and emit an extern declarations 
only for those. These extern declarations to intrinsics are currently 
being emitted at the bottom of generated .s file, which works fine with
gpasm(not sure about MPSAM though).
PIC16 linker generates errors for few cases (function-args/struct_args_5) if you do not include any
extern declarations (even if no intrinsics are being used), but that
needs to be fixed in the linker itself.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-11 06:01:38 +00:00
Bill Wendling
26e2de135c Needed #includes. Thanks Fritz van Bommel! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71413 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 23:27:41 +00:00
Bill Wendling
a5c8a4e4e6 This is a large rewrite of how Dwarf info for inlined functions is handled. 
The DwarfWriter expects DbgScopes and DIEs to behave themselves according to
DwarfWriter's rules. However, inlined functions violate these rules. There are
two different types of DIEs associated with an inlined function: an abstract
instance, which has information about the original source code for the function
being inlined; and concrete instances, which are created for each place the
function was inlined and point back to the abstract instance.

This patch tries to stay true to this schema. It bypasses how regular DbgScopes
and DIEs are created and used when necessary. It provides special handling for
DIEs of abstract and concrete instances.

This doesn't take care of all of the problems with debug info for inlined
functions, but it's a step in the right direction. For one thing, llvm-gcc
generates wrong IR (it's missing some llvm.dbg intrinsics at the point where the
function's inlined) for this example:

#include <stdio.h>
static __inline__ __attribute__((always_inline))  int bar(int x) { return 4; }
void foo() {
  long long b = 1;
  int Y = bar(4);
  printf("%d\n", Y);
}

while clang generates correct IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71410 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 23:14:38 +00:00
Nick Lewycky
cb33799b9f Make MDNode use CallbackVH. Also change MDNode to store Value* instead of 
Constant* in preperation of a future change to support holding non-Constants
in an MDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71407 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 20:57:05 +00:00
Sanjiv Gupta
af3fdb5dc4 Module iterator contains list of filescope functions as well, we don't need to emit and global declarations for them. This was working earlier and was broken during one of the recent commit for PIC16 naming. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71394 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 16:18:39 +00:00
Anton Korobeynikov
9c11d21d90 Add imm-reg and imm-mem patters for cmp on msp430 
(imm is allowed to be source operand, not dest...)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71393 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 14:49:00 +00:00
Sanjiv Gupta
211f3624ef Changed lowering and asmprinter to use ABI Names class called PAN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71386 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 05:23:47 +00:00
Bill Wendling
c677fe5aba --- Reverse-merging r71370 into '.': 
U    lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp

Revert r71370.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71373 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 00:10:50 +00:00
Bill Wendling
e34b723d3e A debug function start was not being recorded when the optimization level wasn't 
None. However, we were always recording the region end. There's no longer a good
reason for this code to be separated out between the different opt levels, as it
was doing pretty much the same thing anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71370 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 23:51:35 +00:00
Evan Cheng
5374405dc1 Oops. Don't forget to align single bb loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 19:18:01 +00:00
Eli Friedman
361e54d433 Allow scalar evolution to compute iteration counts for loops with a 
pointer-based condition.  This fixes PR3171.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 12:32:42 +00:00
Eli Friedman
cea03cdb69 Remove a completed optimization. Add a potential optimization I ran 
into.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71352 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 08:40:15 +00:00
Duncan Sands
777d2306b3 Rename PaddedSize to AllocSize, in the hope that this 
will make it more obvious what it represents, and stop
it being confused with the StoreSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71349 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 07:06:46 +00:00
Sanjiv Gupta
09560f805e Use 16 bit arithmetic while retrieving the address of callee's frame during indirect function calls, and set pclath before every call to retrieve the frame address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71323 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 05:11:19 +00:00
Evan Cheng
2d85052f2b Factor out code that optimize loop terminating condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71305 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 01:08:24 +00:00
Dan Gohman
c63a62735b Don't attempt to handle unsized types in ScalarEvolution's GEP analyzer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71302 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 00:14:52 +00:00
Evan Cheng
f045f80ba9 Enable loop bb placement optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:35:49 +00:00
Dan Gohman
b0285932ab Fix bogus overflow checks by replacing them with actual 
overflow checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:11:16 +00:00
Evan Cheng
82ae933e55 PPC::B and PPC::BCC's target operand may be an immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71282 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:09:25 +00:00
Mike Stump
1e8f072f19 Avoid warning in release-asserts build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 22:53:06 +00:00
Bill Wendling
6c4311dddb Mirror how Fast ISel determines if a region.end intrinsic is the end of an 
inlined function or the end of a function. Before, this was never executing the
"inlined" version of the Record method.

This will become important once the inlined Dwarf writer patch lands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71268 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 21:14:49 +00:00
Dan Gohman
728c7f3059 Fold trunc casts into add-recurrence expressions, allowing the 
add-recurrence to be exposed. Add a new SCEV folding rule to
help simplify expressions in the presence of these extra truncs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 21:03:19 +00:00
Bill Wendling
e688fafd38 Compute the offsets of the compile units. We need this so that when we emit a 
concrete instance of an inlined function, we can get the actual address of the
abstract instance inside of the compile unit.

This isn't currently used, but will be by a future check-in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71263 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 21:03:15 +00:00
Dan Gohman
fb79160811 Fix another bug in r71252. This code supports GetElementPtr 
constant exprs as well as instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71262 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:58:38 +00:00
Dan Gohman
6bce643c36 Add memoization for getSCEVAtScope results for instructions 
which are not analyzed with SCEV techniques, which can require
brute-forcing through a large number of instructions. This
fixes a massive compile-time issue on 400.perlbench (in
particular, the loop in MD5Transform).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71259 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:47:27 +00:00
Dan Gohman
66a7e857aa Make the SCEV* form of getSCEVAtScope public, to allow ScalarEvolution 
clients to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:38:54 +00:00
Bill Wendling
a9519579b7 Minor clean ups. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71256 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:38:02 +00:00
Dan Gohman
e810b0d430 Fix an error from r71252. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71255 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:36:47 +00:00
Bill Wendling
ad9c278338 Print out nicer dump info for DIDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71253 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:28:06 +00:00
Dan Gohman
26466c0eb3 Factor out the code for creating SCEVs for GEPs into a 
separate function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:26:55 +00:00
Dan Gohman
185cf0395c Implement several new SCEV folding rules for UDiv SCEVs. 
This fixes an old FIXME, and is needed by some upcoming changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71247 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:18:49 +00:00
Evan Cheng
0269d3cbf3 Don't align loop header unless the loop back edge is below the header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71242 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 19:01:44 +00:00
Anton Korobeynikov
c1c6ef8f74 Factor out cycle-finder code and make it generic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71241 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:58 +00:00
Anton Korobeynikov
d34167a4ab Do not emit bit tests if target does not support natively left shift 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71240 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:34 +00:00
Anton Korobeynikov
da4d2f63d8 Allow 8 bit select in custom inserter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71239 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:21 +00:00
Anton Korobeynikov
58c04e1496 Properly expand libcalls for urem / srem. Also make code more straightforward. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71238 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:08 +00:00
Anton Korobeynikov
fb3f84fe16 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71237 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:50:54 +00:00
Anton Korobeynikov
0616c3b678 Expand UREM / SREM into libcalls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71236 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:50:41 +00:00
Anton Korobeynikov
1cb0acee8a Add 8 bit select 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71235 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:50:26 +00:00
Chris Lattner
4992196322 Fix PR4152: asm constraint validation happens before dag combine, so we 
need to work a bit to combine things like (x+c1+c2) into x+c3.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:23:14 +00:00
Chris Lattner
ef554846f0 fix RewriteStoreUserOfWholeAlloca to use the correct type size 
method, fixing a crash on PR4146.  While the store will 
ultimately overwrite the "padded size" number of bits in memory,
the stored value may be a subset of this size.  This function
only wants to handle the case where all bits are stored.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71224 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 15:54:41 +00:00
Evan Cheng
4b7f7a6e1f Reverse branch condition only when there is a conditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 09:35:53 +00:00
Nick Lewycky
0ab2dcee5b Add explicit braces to disambiguate nested if/else. Removes a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:57:41 +00:00
Nick Lewycky
48f95ad971 This transform requires valid TargetData info. Wrap it in 'if (TD)' in 
preparation for the day we use null TargetData when no target is specified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:47:37 +00:00
Evan Cheng
45e0010e14 Optimize code placement in loop to eliminate unconditional branches or move unconditional branch to the outside of the loop. e.g. 
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       <fallthrough to B>                                                                                                                                                 
///                                                                                                                                                                          
///       B:  --> loop header                                                                                                                                                
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit]                                                                                                                                               
///                                                                                                                                                                          
///       C:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
/// ==>                                                                                                                                                                      
///                                                                                                                                                                          
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
///       C:  --> new loop header                                                                                                                                            
///       ...                                                                                                                                                                
///       <fallthough to B>                                                                                                                                                  
///                                                                                                                                                                          
///       B:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit] 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:34:09 +00:00
Nick Lewycky
4a228864f2 Add missing #include for "strlen" which is used inline in this header. Fixes 
build under gcc 4.3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71208 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:22:25 +00:00
Sanjiv Gupta
573eb5e573 Moved pic16 naming functions to correct place. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71207 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 04:50:14 +00:00
Eli Friedman
5877ad7e90 PR4123: don't crash when inlining a call which uses its own result. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71199 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 00:22:04 +00:00