520d4adad3
add SDNPSideEffect node property declaration
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llvm-svn: 45825
2008-01-10 05:48:23 +00:00
aca7ca3730
remove explicit sets of 'neverHasSideEffects' that can now be
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inferred from the instr patterns.
llvm-svn: 45824
2008-01-10 05:45:39 +00:00
86c458a178
if an instr lacks a pattern, assume it has side effects (unless never has s-e is true).
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llvm-svn: 45823
2008-01-10 05:40:54 +00:00
42c63ef96e
start inferring 'no side effects'.
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llvm-svn: 45822
2008-01-10 05:39:30 +00:00
94de7bc3aa
get def use info more correct.
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llvm-svn: 45821
2008-01-10 05:12:37 +00:00
aa8c904dfc
Added some text about the ccc script provided by Sanghyeon Seo.
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llvm-svn: 45820
2008-01-10 04:59:05 +00:00
9e69654461
Infer mayload
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llvm-svn: 45819
2008-01-10 04:44:48 +00:00
c72335878d
add SDNPMayLoad to the 'load' sdnode definition. This is enough to get all the x86
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instructions (with patterns) that load memory marked, for example.
llvm-svn: 45818
2008-01-10 04:44:32 +00:00
1ca2068227
realize that instructions who match intrinsics that read memory read memory.
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Also, instructions with any nodes that are SDNPMayLoad also read memory.
llvm-svn: 45817
2008-01-10 04:38:57 +00:00
f171482a66
verify that the frame index is immutable before remat'ing (still disabled)
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or being side-effect free.
llvm-svn: 45816
2008-01-10 04:16:31 +00:00
d445b8813f
Don't use LiveVariables::VarInfo::DefInst.
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llvm-svn: 45815
2008-01-10 03:12:54 +00:00
0f8c7c4a73
Codegen improvement has reduced one spill.
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llvm-svn: 45814
2008-01-10 02:54:40 +00:00
a26552493b
Mark byval parameter stack objects mutable for now.
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llvm-svn: 45813
2008-01-10 02:24:25 +00:00
301b0cade5
Add a isImmutable bit to StackObject. Fixed stack objects are immutable (in the function) unless specified otherwise.
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llvm-svn: 45812
2008-01-10 02:18:37 +00:00
7ecb3b79c7
Emit unused EH frames for weak definitions on Darwin,
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because assembler/linker can't cope with weak absolutes.
PR 1880.
llvm-svn: 45811
2008-01-10 02:03:30 +00:00
2cbf2f39ee
add support for the GCC -include option.
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llvm-svn: 45810
2008-01-10 01:53:41 +00:00
77133e6d30
Compiler driver
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llvm-svn: 45809
2008-01-10 01:43:47 +00:00
bceeefdc9c
Fix some 80 col violations
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llvm-svn: 45808
2008-01-10 01:43:14 +00:00
d2cdb97747
Ted apparently likes crazy whitespace at the end of line. Crush his spirit by
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removing them, fitting the file into 80 columns. :)
llvm-svn: 45807
2008-01-10 01:41:55 +00:00
7262fca0a6
Put return type of synthesize method on same line as method declaration, space after method declaration header.
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llvm-svn: 45806
2008-01-10 01:39:52 +00:00
4f45cef2f9
Get rid of all uses of LiveVariables::VarInfo::DefInst in favor of the equivalent API from
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MachineRegisterInfo. Once all clients are switched over, the former will be going away.
llvm-svn: 45805
2008-01-10 01:36:43 +00:00
cb0e1bcf0c
provide def_* and use_* iterators in addition to reg_* iterators.
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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
3d55c84c99
Added "InfeasibleEdge" to represent an infeasible state transition.
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llvm-svn: 45802
2008-01-10 00:58:25 +00:00
51b8e20ccf
Add more comments explaining the basics of how the decision of when to rename and when to insert
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copies is made.
llvm-svn: 45799
2008-01-10 00:47:01 +00:00
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.
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llvm-svn: 45798
2008-01-10 00:37:26 +00:00
8958a78576
Get rid of the isKillInst predicate. LiveVariables already provides this information.
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llvm-svn: 45797
2008-01-10 00:33:11 +00:00
ec79bba97f
Fix PR1845 and rdar://5676945. Generic vectors smaller
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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
e34d7d0e24
new testcase for PR1845
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llvm-svn: 45795
2008-01-10 00:30:38 +00:00
db701b47d2
Pass rewritten output to 'clang' for verification.
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llvm-svn: 45794
2008-01-10 00:30:24 +00:00
82ae0152a7
Allow messaging expression as foreach's collection expression.
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llvm-svn: 45793
2008-01-10 00:24:29 +00:00
73d1017871
Remove comments that do not correspond to anything after recent refactoring.
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llvm-svn: 45792
2008-01-10 00:09:10 +00:00
1c8152ba03
Copies need to be inserted before the first terminator, not at the end of the block.
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llvm-svn: 45791
2008-01-10 00:01:41 +00:00
a385fb8c2e
Add a FIXME to commit r45784. Thanks mrs!
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llvm-svn: 45790
2008-01-09 23:44:05 +00:00
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).
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llvm-svn: 45789
2008-01-09 23:34:55 +00:00
24ea11d4e0
Renamed various traits and classes. Added "Infeasible" bit to ExplodedNodeImpl
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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
0e400d4cb7
Special copy SUnit's do not have SDNode's.
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llvm-svn: 45787
2008-01-09 23:01:55 +00:00
84ab850e46
Renamed Stmt***Edge and ***StmtEdge (where *** = "Stmt" or "Blk") classes to
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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
fed4cce0cc
Removed some files related to the path-sensitive solver as part of some
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code restructuring. (new files will be introduced shortly)
llvm-svn: 45785
2008-01-09 22:49:37 +00:00
c6edcbdb5d
Fix ASTContext::typesAreCompatible to allow for int/enum compatibility (C99 6.7.2.2p4).
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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
436db42a3c
Clean up StrongPHIElimination a bit, and add some more comments to the internal structures. There's
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still more work to do on this front.
llvm-svn: 45783
2008-01-09 22:40:54 +00:00
08ddb8c55c
Teach Sema::ActOnCompoundLiteral about constraint C99 6.5.2.5p3.
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llvm-svn: 45782
2008-01-09 20:58:06 +00:00
48f22f0b80
Fix compile failures with g++-4.3.
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llvm-svn: 45781
2008-01-09 19:42:09 +00:00
204e4a27b6
many cleanups and fixed, contributed by Sam Bishop
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llvm-svn: 45780
2008-01-09 19:28:50 +00:00
119d81a4f4
Fix isIntegerConstantExpr to compare against zero for casts to bool instead of
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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
41a1ef0dfe
implement proper support for _Bool in memory, which is usually i8, not i1.
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This fixes a crash reported by Seo Sanghyeon
llvm-svn: 45778
2008-01-09 18:47:25 +00:00
6fa7516bc9
Type-cast RHS of assignment to prevent warning compiling rewritten foreach code.
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llvm-svn: 45777
2008-01-09 18:15:42 +00:00
22f2347791
Fixed a bug whereby a parethesized collection expression was not being rewritten correctly.
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llvm-svn: 45776
2008-01-09 17:50:00 +00:00
4de0c3978d
StrongPHIElim: Now with even fewer trivial bugs!
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llvm-svn: 45775
2008-01-09 10:41:39 +00:00
77c3fe441b
Fix an infinite recursion bug in InsertCopies.
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llvm-svn: 45774
2008-01-09 10:32:30 +00:00
e0fd9bd35a
Fix some simple bugs. StrongPHIElimination now does not crash on 164.gzip.
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llvm-svn: 45773
2008-01-09 06:19:05 +00:00
Chris Lattner