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Author SHA1 Message Date
Chris Lattner
1a7c8feff3 prove diagnostic -> group mapping information. 
llvm-svn: 69270
 2009-04-16 05:52:18 +00:00
Dan Gohman
98aa1d9693 Expand GEPs in ScalarEvolution expressions. SCEV expressions can now 
have pointer types, though in contrast to C pointer types, SCEV
addition is never implicitly scaled. This not only eliminates the
need for special code like IndVars' EliminatePointerRecurrence
and LSR's own GEP expansion code, it also does a better job because
it lets the normal optimizations handle pointer expressions just
like integer expressions.

Also, since LLVM IR GEPs can't directly index into multi-dimensional
VLAs, moving the GEP analysis out of client code and into the SCEV
framework makes it easier for clients to handle multi-dimensional
VLAs the same way as other arrays.

Some existing regression tests show improved optimization.
test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to
the point where if-conversion started kicking in; I turned it off
for this test to preserve the intent of the test.

llvm-svn: 69258
 2009-04-16 03:18:22 +00:00
Chris Lattner
3984f99025 encode subgroups into the clang .inc file. -Wall now works! 
llvm-svn: 69257
 2009-04-16 03:16:12 +00:00
Devang Patel
87488c2a88 In -fast mode do what FastISel does. 
This code could use some refactoring help!

llvm-svn: 69254
 2009-04-16 02:33:41 +00:00
Devang Patel
d9a9d5bdbb If FastISel is run and it has known DebugLoc then use it. 
llvm-svn: 69253
 2009-04-16 01:33:10 +00:00
Devang Patel
c6c6759194 If location where the function was inlined is not know then do not emit debug info describing inlinied region. 
llvm-svn: 69252
 2009-04-16 01:31:54 +00:00
Chris Lattner
1d21ddd345 start producing subgroup info. 
llvm-svn: 69249
 2009-04-16 00:53:25 +00:00
Dale Johannesen
040d118b17 Another testcase for IV shortening. 
llvm-svn: 69247
 2009-04-16 00:45:21 +00:00
Dale Johannesen
ab8b46beca Eliminate zext over (iv | const) or (signed iv), 
and sext over (iv | const), if a longer iv is
available.  Allow expressions to have more than
one zext/sext parent.  All from OpenSSL.

llvm-svn: 69241
 2009-04-15 23:31:51 +00:00
Chris Lattner
48fcc3fe58 make sure that empty diag groups get known by clang. 
llvm-svn: 69235
 2009-04-15 22:33:02 +00:00
Chris Lattner
265ef76440 implement support for writing out diagnostic group tables. 
llvm-svn: 69219
 2009-04-15 20:55:08 +00:00
Devang Patel
4a18de4193 s/RootDbgScope/FunctionDbgScope/g 
llvm-svn: 69216
 2009-04-15 20:41:31 +00:00
Dale Johannesen
98c9716c34 Eliminate zext over (iv & const) or ((iv+const)&const) 
if a longer iv is available.  These subscript forms are
not common; they're a bottleneck in OpenSSL.

llvm-svn: 69215
 2009-04-15 20:41:02 +00:00
Chris Lattner
1a1ffcb4a4 use UppercaseString instead of EmitAllCaps 
llvm-svn: 69213
 2009-04-15 20:16:12 +00:00
Chris Lattner
3ab2b0ca2b use escape string. 
llvm-svn: 69212
 2009-04-15 20:13:18 +00:00
Chris Lattner
b46ad5bbba teach EscapeString and UnescapeString to handle ". 
llvm-svn: 69211
 2009-04-15 20:12:52 +00:00
Devang Patel
21463f4a25 Add DISubprogram is not null check. 
This fixes test/CodeGen//2009-01-21-invalid-debug-info.m test case.

llvm-svn: 69210
 2009-04-15 20:11:08 +00:00
Dan Gohman
5555c4538b Generalize one of the SelectionDAG::ReplaceAllUsesWith overloads 
to support replacing a node with another that has a superset of
the result types. Use this instead of calling
ReplaceAllUsesOfValueWith for each value.

llvm-svn: 69209
 2009-04-15 20:06:30 +00:00
Chris Lattner
049e984de6 rename -gen-clang-diags-options -> -gen-clang-diag-groups 
llvm-svn: 69208
 2009-04-15 20:02:32 +00:00
Chris Lattner
01ad312099 move clang-specific makefile goop to clang makefile. 
llvm-svn: 69206
 2009-04-15 19:57:42 +00:00
Dan Gohman
38bc0faa22 Fix 80-column violations. 
llvm-svn: 69204
 2009-04-15 19:48:57 +00:00
Dan Gohman
a2ec3156eb Add a folding table entry for MOV8rr_NOREX. 
llvm-svn: 69203
 2009-04-15 19:48:28 +00:00
Devang Patel
d9d88a827d Check isInlinedSubroutine() before creating DW_TAG_inlined_subroutine. 
llvm-svn: 69202
 2009-04-15 19:42:57 +00:00
Dan Gohman
420019a18a Fix MachineInstr::getNumExplicitOperands to count 
variadic operands correctly. Patch by Jakob Stoklund Olesen!

llvm-svn: 69190
 2009-04-15 17:59:11 +00:00
Chris Lattner
c4bf4ef9cc don't infer diag class from parenting relations, make it an explicit field 
in the record.

llvm-svn: 69176
 2009-04-15 16:55:46 +00:00
Chris Lattner
9e2f6e304c include the default mapping in the clang diagnostic .inc files. 
llvm-svn: 69173
 2009-04-15 16:43:18 +00:00
Chris Lattner
03d5a78eca minor cleanups 
llvm-svn: 69152
 2009-04-15 06:26:49 +00:00
Nick Lewycky
e9597399f0 Limit the number of times we're willing to chase pointers. Removes an O(n^2) 
problem from instcombine.

llvm-svn: 69151
 2009-04-15 06:23:41 +00:00
Douglas Gregor
8965c485d7 Allow jumping to the end of a bitstream while reading 
llvm-svn: 69145
 2009-04-15 04:53:47 +00:00
Bill Wendling
4153589196 Check for alignment. 
llvm-svn: 69140
 2009-04-15 04:51:05 +00:00
Bill Wendling
1b271d471e More obsessive reformatting. Fixed some validation errors. 
llvm-svn: 69130
 2009-04-15 02:12:37 +00:00
Dan Gohman
a1eee28415 Don't use "protected:" in classes that aren't intended to be 
subclassed.

llvm-svn: 69129
 2009-04-15 01:47:03 +00:00
Dan Gohman
f023ab3fae Fix doxygen comment syntax. 
llvm-svn: 69128
 2009-04-15 01:44:07 +00:00
Dan Gohman
2b965abea4 Fix X86MachineFunctionInfo's doxygen comment. 
llvm-svn: 69127
 2009-04-15 01:20:18 +00:00
Dan Gohman
e1e53b379b Move MachineRegisterInfo::setRegClass out of line. 
llvm-svn: 69126
 2009-04-15 01:19:35 +00:00
Dan Gohman
a885b48029 Move MachineJumpTableInfo::ReplaceMBBInJumpTables out of line. 
llvm-svn: 69125
 2009-04-15 01:18:49 +00:00
Dan Gohman
c9b68844d6 Give RemoveRegOperandFromRegInfo a comment and move the 
code out of line.

llvm-svn: 69124
 2009-04-15 01:17:37 +00:00
Dale Johannesen
427e9aade9 Enhance induction variable code to remove the 
sext around sext(shorter IV + constant), using a
longer IV instead, when it can figure out the
add can't overflow.  This comes up a lot in
subscripting; mainly affects 64 bit.

llvm-svn: 69123
 2009-04-15 01:10:12 +00:00
Evan Cheng
bd35a81da5 Avoid making the transformation enabled by my last patch if the new destinations have phi nodes. 
llvm-svn: 69121
 2009-04-15 00:43:54 +00:00
Devang Patel
7323064183 While inlining, clone llvm.dbg.func.start intrinsic and adjust 
llvm.dbg.region.end instrinsic. This nested llvm.dbg.func.start/llvm.dbg.region.end pair now enables DW_TAG_inlined_subroutine support in code generator.

llvm-svn: 69118
 2009-04-15 00:17:06 +00:00
Chris Lattner
1e863d93e9 silence a warning. 
llvm-svn: 69117
 2009-04-15 00:16:05 +00:00
Devang Patel
f2b9c22687 Construct and emit DW_TAG_inlined_subroutine DIEs for inlined subroutine scopes (only in FastISel mode). 
llvm-svn: 69116
 2009-04-15 00:10:26 +00:00
Dan Gohman
56227ee26e Do for GR16_NOREX what r69049 did for GR8_NOREX, to avoid trouble with 
the local register allocator.

llvm-svn: 69115
 2009-04-15 00:10:16 +00:00
Devang Patel
ec716faf9e Add a method to check that the subprogram holds debug info for the given Function or not. 
llvm-svn: 69113
 2009-04-15 00:06:07 +00:00
Dan Gohman
a1fe2a3741 Add a new MOV8rr_NOREX, and make X86's copyRegToReg use it when 
either the source or destination is a physical h register.

This fixes sqlite3 with the post-RA scheduler enabled.

llvm-svn: 69111
 2009-04-15 00:04:23 +00:00
Bill Wendling
0861f3e874 Testcase for r69104. 
llvm-svn: 69110
 2009-04-15 00:04:11 +00:00
Dan Gohman
1e76e65007 GR8_NOREX can contain the H registers, since they don't require 
REX prefixes.

llvm-svn: 69108
 2009-04-15 00:00:48 +00:00
Evan Cheng
dba98a0669 Optimize conditional branch on i1 phis with non-constant inputs. 
This turns:

eq:
        %3 = icmp eq i32 %1, %2
        br label %join

ne:
        %4 = icmp ne i32 %1, %2
        br label %join

join:
        %5 = phi i1 [%3, %eq], [%4, %ne]
        br i1 %5, label %yes, label %no

=>

eq:
        %3 = icmp eq i32 %1, %2
        br i1 %3, label %yes, label %no

ne:
        %4 = icmp ne i32 %1, %2
        br i1 %4, label %yes, label %no

llvm-svn: 69102
 2009-04-14 23:40:03 +00:00
Dan Gohman
e1c4d4c5be Fix the RUN lines so that this test actually tests. 
llvm-svn: 69096
 2009-04-14 22:50:17 +00:00
Dan Gohman
365c457893 For the h-register addressing-mode trick, use the correct value for 
any non-address uses of the address value. This fixes 186.crafty.

llvm-svn: 69094
 2009-04-14 22:45:05 +00:00