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Author SHA1 Message Date
Chris Lattner
94de7bc3aa get def use info more correct. 
llvm-svn: 45821
 2008-01-10 05:12:37 +00:00
Ted Kremenek
aa8c904dfc Added some text about the ccc script provided by Sanghyeon Seo. 
llvm-svn: 45820
 2008-01-10 04:59:05 +00:00
Chris Lattner
9e69654461 Infer mayload 
llvm-svn: 45819
 2008-01-10 04:44:48 +00:00
Chris Lattner
c72335878d add SDNPMayLoad to the 'load' sdnode definition. This is enough to get all the x86 
instructions (with patterns) that load memory marked, for example.

llvm-svn: 45818
 2008-01-10 04:44:32 +00:00
Chris Lattner
1ca2068227 realize that instructions who match intrinsics that read memory read memory. 
Also, instructions with any nodes that are SDNPMayLoad also read memory.

llvm-svn: 45817
 2008-01-10 04:38:57 +00:00
Chris Lattner
f171482a66 verify that the frame index is immutable before remat'ing (still disabled) 
or being side-effect free.

llvm-svn: 45816
 2008-01-10 04:16:31 +00:00
Owen Anderson
d445b8813f Don't use LiveVariables::VarInfo::DefInst. 
llvm-svn: 45815
 2008-01-10 03:12:54 +00:00
Evan Cheng
0f8c7c4a73 Codegen improvement has reduced one spill. 
llvm-svn: 45814
 2008-01-10 02:54:40 +00:00
Evan Cheng
a26552493b Mark byval parameter stack objects mutable for now. 
llvm-svn: 45813
 2008-01-10 02:24:25 +00:00
Evan Cheng
301b0cade5 Add a isImmutable bit to StackObject. Fixed stack objects are immutable (in the function) unless specified otherwise. 
llvm-svn: 45812
 2008-01-10 02:18:37 +00:00
Dale Johannesen
7ecb3b79c7 Emit unused EH frames for weak definitions on Darwin, 
because assembler/linker can't cope with weak absolutes.
PR 1880.

llvm-svn: 45811
 2008-01-10 02:03:30 +00:00
Chris Lattner
2cbf2f39ee add support for the GCC -include option. 
llvm-svn: 45810
 2008-01-10 01:53:41 +00:00
Seo Sanghyeon
77133e6d30 Compiler driver 
llvm-svn: 45809
 2008-01-10 01:43:47 +00:00
Chris Lattner
bceeefdc9c Fix some 80 col violations 
llvm-svn: 45808
 2008-01-10 01:43:14 +00:00
Chris Lattner
d2cdb97747 Ted apparently likes crazy whitespace at the end of line. Crush his spirit by 
removing them, fitting the file into 80 columns. :)

llvm-svn: 45807
 2008-01-10 01:41:55 +00:00
Fariborz Jahanian
7262fca0a6 Put return type of synthesize method on same line as method declaration, space after method declaration header. 
llvm-svn: 45806
 2008-01-10 01:39:52 +00:00
Owen Anderson
4f45cef2f9 Get rid of all uses of LiveVariables::VarInfo::DefInst in favor of the equivalent API from 
MachineRegisterInfo.  Once all clients are switched over, the former will be going away.

llvm-svn: 45805
 2008-01-10 01:36:43 +00:00
Chris Lattner
cb0e1bcf0c provide def_* and use_* iterators in addition to reg_* iterators. 
The first only returns definitions of a register, the second only
returns uses, the third returns both.

llvm-svn: 45803
 2008-01-10 01:01:27 +00:00
Ted Kremenek
3d55c84c99 Added "InfeasibleEdge" to represent an infeasible state transition. 
llvm-svn: 45802
 2008-01-10 00:58:25 +00:00
Owen Anderson
51b8e20ccf Add more comments explaining the basics of how the decision of when to rename and when to insert 
copies is made.

llvm-svn: 45799
 2008-01-10 00:47:01 +00:00
Evan Cheng
fead113fe0 Do not use the stack pointer directly, issue a copyfromreg instead. Otherwise we can end up with something like ADD32ri %esp, x which two-address pass won't like. 
llvm-svn: 45798
 2008-01-10 00:37:26 +00:00
Owen Anderson
8958a78576 Get rid of the isKillInst predicate. LiveVariables already provides this information. 
llvm-svn: 45797
 2008-01-10 00:33:11 +00:00
Chris Lattner
ec79bba97f Fix PR1845 and rdar://5676945. Generic vectors smaller 
than hardware supported type will be scalarized, so we
can infer their alignment from that info.

We now codegen pr1845 into:

_boolVectorSelect:
	lbz r2, 0(r3)
	stb r2, -16(r1)
	blr 

llvm-svn: 45796
 2008-01-10 00:30:57 +00:00
Chris Lattner
e34d7d0e24 new testcase for PR1845 
llvm-svn: 45795
 2008-01-10 00:30:38 +00:00
Fariborz Jahanian
db701b47d2 Pass rewritten output to 'clang' for verification. 
llvm-svn: 45794
 2008-01-10 00:30:24 +00:00
Fariborz Jahanian
82ae0152a7 Allow messaging expression as foreach's collection expression. 
llvm-svn: 45793
 2008-01-10 00:24:29 +00:00
Evan Cheng
73d1017871 Remove comments that do not correspond to anything after recent refactoring. 
llvm-svn: 45792
 2008-01-10 00:09:10 +00:00
Owen Anderson
1c8152ba03 Copies need to be inserted before the first terminator, not at the end of the block. 
llvm-svn: 45791
 2008-01-10 00:01:41 +00:00
Steve Naroff
a385fb8c2e Add a FIXME to commit r45784. Thanks mrs! 
llvm-svn: 45790
 2008-01-09 23:44:05 +00:00
Steve Naroff
e6b0ec8b5e Fix Sema::ActOnDeclarator() to call MergeFunctionDecl for function decls that aren't in scope. Since C functions are in a flat namespace, we need to give them special treatment (when compared with variables and typedefs). 
llvm-svn: 45789
 2008-01-09 23:34:55 +00:00
Ted Kremenek
24ea11d4e0 Renamed various traits and classes. Added "Infeasible" bit to ExplodedNodeImpl 
so that nodes can be marked as representing an infeasible program point. This
flag lets the path-sensitive solver know that no successors should be generated
for such nodes.

llvm-svn: 45788
 2008-01-09 23:11:36 +00:00
Evan Cheng
0e400d4cb7 Special copy SUnit's do not have SDNode's. 
llvm-svn: 45787
 2008-01-09 23:01:55 +00:00
Ted Kremenek
84ab850e46 Renamed Stmt***Edge and ***StmtEdge (where *** = "Stmt" or "Blk") classes to 
BExpr*** and ***BExpr respectively. These edges represent program locations
between the entrance/exit of a block and Block-level Expressions.

Also added ***SExpr and SExpr*** ProgramEdges to represent the locations in the
program between the evaluation of subexpressions and block-level expressions.

llvm-svn: 45786
 2008-01-09 22:52:38 +00:00
Ted Kremenek
fed4cce0cc Removed some files related to the path-sensitive solver as part of some 
code restructuring.  (new files will be introduced shortly)

llvm-svn: 45785
 2008-01-09 22:49:37 +00:00
Steve Naroff
c6edcbdb5d Fix ASTContext::typesAreCompatible to allow for int/enum compatibility (C99 6.7.2.2p4). 
Fix Sema::MergeFunctionDecl to allow for function type compatibility (by using the predicate on ASTContext). Function types don't have to be identical to be compatible...

llvm-svn: 45784
 2008-01-09 22:43:08 +00:00
Owen Anderson
436db42a3c Clean up StrongPHIElimination a bit, and add some more comments to the internal structures. There's 
still more work to do on this front.

llvm-svn: 45783
 2008-01-09 22:40:54 +00:00
Steve Naroff
08ddb8c55c Teach Sema::ActOnCompoundLiteral about constraint C99 6.5.2.5p3. 
llvm-svn: 45782
 2008-01-09 20:58:06 +00:00
Duncan Sands
48f22f0b80 Fix compile failures with g++-4.3. 
llvm-svn: 45781
 2008-01-09 19:42:09 +00:00
Chris Lattner
204e4a27b6 many cleanups and fixed, contributed by Sam Bishop 
llvm-svn: 45780
 2008-01-09 19:28:50 +00:00
Chris Lattner
119d81a4f4 Fix isIntegerConstantExpr to compare against zero for casts to bool instead of 
truncating.  This allows us to compile:
 void foo() {
  static _Bool foo = 4;
}

into:
@foo1 = internal global i8 1
instead of:
@foo1 = internal global i8 4

llvm-svn: 45779
 2008-01-09 18:59:34 +00:00
Chris Lattner
41a1ef0dfe implement proper support for _Bool in memory, which is usually i8, not i1. 
This fixes a crash reported by Seo Sanghyeon

llvm-svn: 45778
 2008-01-09 18:47:25 +00:00
Fariborz Jahanian
6fa7516bc9 Type-cast RHS of assignment to prevent warning compiling rewritten foreach code. 
llvm-svn: 45777
 2008-01-09 18:15:42 +00:00
Fariborz Jahanian
22f2347791 Fixed a bug whereby a parethesized collection expression was not being rewritten correctly. 
llvm-svn: 45776
 2008-01-09 17:50:00 +00:00
Owen Anderson
4de0c3978d StrongPHIElim: Now with even fewer trivial bugs! 
llvm-svn: 45775
 2008-01-09 10:41:39 +00:00
Owen Anderson
77c3fe441b Fix an infinite recursion bug in InsertCopies. 
llvm-svn: 45774
 2008-01-09 10:32:30 +00:00
Owen Anderson
e0fd9bd35a Fix some simple bugs. StrongPHIElimination now does not crash on 164.gzip. 
llvm-svn: 45773
 2008-01-09 06:19:05 +00:00
Evan Cheng
a31824a08e Fix sse2.psrl.w and sse2.psrl.q definitions. 
llvm-svn: 45772
 2008-01-09 02:16:44 +00:00
Fariborz Jahanian
b7e7ee9ff3 Typo fixed. 
llvm-svn: 45771
 2008-01-09 01:25:54 +00:00
Chris Lattner
7ff4a8bf3f Fix llvm-ld -Xlinker, patch by Daniel Teske! 
llvm-svn: 45770
 2008-01-09 01:01:17 +00:00
Fariborz Jahanian
05d2876ec3 Another test case for testing rewriteing of nested foreach-statement. 
llvm-svn: 45769
 2008-01-09 00:47:02 +00:00