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Commit Graph

4168 Commits

Author SHA1 Message Date
Ted Kremenek
141d32b7e9 Fix -Wsign-compare warning (issued by clang++).
llvm-svn: 100799
2010-04-08 18:49:30 +00:00
Benjamin Kramer
0fb23008bb Use twines to simplify calls to report_fatal_error. For code size and readability.
llvm-svn: 100756
2010-04-08 10:44:28 +00:00
Evan Cheng
3fa0b6fb03 Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates.
llvm-svn: 100751
2010-04-08 07:37:57 +00:00
Chris Lattner
579e7eb423 convert a report_fatal_error that I was able to trigger into a nice error
so the user at least knows what inline asm is a problem.  For example:

error: inline asm not supported yet: don't know how to handle tied indirect register inputs
pr8788-1.c:14:10: note: generated from here
    asm ("\n" : "+r" (stack->regs)
         ^

Instead of:
fatal error: error in backend: Don't know how to handle tied indirect register inputs yet!

llvm-svn: 100731
2010-04-08 00:09:16 +00:00
Chris Lattner
f9fbc74e40 minor tidying.
llvm-svn: 100725
2010-04-07 23:50:38 +00:00
Chris Lattner
96ed85d7ab use assertions instead of unreachable for logic errors.
llvm-svn: 100724
2010-04-07 23:47:51 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error
llvm-svn: 100709
2010-04-07 22:58:41 +00:00
Chris Lattner
f520500a06 fix 80 col violation, patch by Alastair Lynn
llvm-svn: 100639
2010-04-07 18:13:33 +00:00
Chris Lattner
122572e13a Have the inst emitter add the !srcloc mdnode to the machine instr.
Have the asmprinter use the mdnode to scavenge a source location if
present.  Document this nonsense in langref.

llvm-svn: 100607
2010-04-07 05:38:05 +00:00
Chris Lattner
dde7376e9d Three changes:
1. Introduce some enums and accessors in the InlineAsm class
   that eliminate a ton of magic numbers when handling inline
   asm SDNode.
2. Add a new MDNodeSDNode selection dag node type that holds
   a MDNode (shocking!)
3. Add a new argument to ISD::INLINEASM nodes that hold !srcloc
   metadata, propagating it to the instruction emitter, which
   drops it.

No functionality change.

llvm-svn: 100605
2010-04-07 05:20:54 +00:00
Dale Johannesen
c0f9c29448 Move printing of target-indepedent DEBUG_VALUE comments
into AsmPrinter.  Target-dependent form is still generated
by FastISel and still handled in X86 code.

llvm-svn: 100596
2010-04-07 01:15:14 +00:00
Dale Johannesen
fef6eb4076 Allow for the possibility that a debug-value points
to a SDNode that didn't have code generated for it.

llvm-svn: 100566
2010-04-06 21:59:56 +00:00
Mon P Wang
c0da8af5c3 Remove assert to treat memmove and memset like memcpy
llvm-svn: 100521
2010-04-06 08:27:51 +00:00
Evan Cheng
c6dc63d62c Fix an obvious copy-n-paste bug. It's not known to cause any miscompilation.
llvm-svn: 100494
2010-04-05 23:33:29 +00:00
Dan Gohman
302746a632 Add a comment.
llvm-svn: 100459
2010-04-05 20:24:08 +00:00
Chris Lattner
7d609ea6cb lowering a volatile llvm.memcpy to a libc memcpy is ok.
PR6779

llvm-svn: 100457
2010-04-05 20:11:45 +00:00
Chris Lattner
aa58ed7c00 remove the now-redundant MMI pointer in SelectionDAG.
llvm-svn: 100419
2010-04-05 06:19:28 +00:00
Chris Lattner
097a332684 remove some redundant MMI arguments.
llvm-svn: 100417
2010-04-05 06:10:13 +00:00
Chris Lattner
6f3c3f60ce unthread MMI from FastISel
llvm-svn: 100416
2010-04-05 06:05:26 +00:00
Chris Lattner
248e65ec05 trim some spurious references to DwarfWriter. SDIsel really doesn't
need it anymore, so don't addRequire it.

llvm-svn: 100400
2010-04-05 04:09:20 +00:00
Chris Lattner
c930f73b4d selection dag doesn't need DwarfWriter, remove some tendrils.
llvm-svn: 100382
2010-04-05 02:23:33 +00:00
Chris Lattner
1fda8b3a8b fastisel doesn't need DwarfWriter, remove some tendricles.
llvm-svn: 100381
2010-04-05 02:19:28 +00:00
Mon P Wang
484bbe6aa9 Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100304
2010-04-04 03:10:48 +00:00
Benjamin Kramer
88e421e531 Fix anachronism.
llvm-svn: 100225
2010-04-02 20:47:05 +00:00
Chris Lattner
9da2b8a955 fix the llvm-x86_64-linux buildbot.
llvm-svn: 100223
2010-04-02 20:36:25 +00:00
Chris Lattner
0da97990f6 stop using DebugLoc::getUnknownLoc()
llvm-svn: 100215
2010-04-02 20:17:23 +00:00
Chris Lattner
305c84b8ee Switch the code generator (except the JIT) onto the new DebugLoc
representation.  This eliminates the 'DILocation' MDNodes for 
file/line/col tuples from -O0 -g codegen.

This remove the old DebugLoc class, making it a typedef for DebugLoc,
I'll rename NewDebugLoc next.

I didn't update the JIT to use the new apis, so it will continue to
work, but be as slow as before.  Someone should eventually do this
or, better yet, rip out the JIT debug info stuff and build the JIT
on top of MC.

llvm-svn: 100209
2010-04-02 19:42:39 +00:00
Evan Cheng
5d825988d0 Correctly lower memset / memcpy of undef. It should be a nop. PR6767.
llvm-svn: 100208
2010-04-02 19:36:14 +00:00
Mon P Wang
0ccf050ca3 Revert r100191 since it breaks objc in clang
llvm-svn: 100199
2010-04-02 18:43:02 +00:00
Mon P Wang
a01350755e Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100191
2010-04-02 18:04:15 +00:00
Evan Cheng
9307af84c2 Skip checking preferred alignment of GVs defined in other translation units all together.
llvm-svn: 100133
2010-04-01 20:13:28 +00:00
Evan Cheng
8728924812 - Avoid using floating point stores to implement memset unless the value is zero.
- Do not try to infer GV alignment unless its type is sized. It's not possible to infer alignment if it has opaque type.

llvm-svn: 100118
2010-04-01 18:19:11 +00:00
Evan Cheng
562bb43207 Fix sdisel memcpy, memset, memmove lowering:
1. Makes it possible to lower with floating point loads and stores.
2. Avoid unaligned loads / stores unless it's fast.
3. Fix some memcpy lowering logic bug related to when to optimize a
   load from constant string into a constant.
4. Adjust x86 memcpy lowering threshold to make it more sane.
5. Fix x86 target hook so it uses vector and floating point memory
   ops more effectively.
rdar://7774704

llvm-svn: 100090
2010-04-01 06:04:33 +00:00
Chris Lattner
1d2ea2510d use the optimized debug info apis in sdisel.
llvm-svn: 99986
2010-03-31 04:24:50 +00:00
Chris Lattner
27c9cacb63 add new apis for getting/setting !dbg metadata on
instructions.  In addition to being a convenience,
they are faster than the old apis, particularly when
not going from an MDKindID like people should be
doing.

llvm-svn: 99982
2010-03-31 03:34:40 +00:00
Bob Wilson
aae933cc81 Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.
llvm-svn: 99948
2010-03-30 22:27:04 +00:00
Mon P Wang
9351ea594a Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.

llvm-svn: 99928
2010-03-30 20:55:56 +00:00
Evan Cheng
6286e43067 Funky indentation.
llvm-svn: 99901
2010-03-30 18:08:53 +00:00
Evan Cheng
b1ddb193c7 Fix PR4975. Avoid referencing empty vector.
llvm-svn: 99840
2010-03-29 21:27:30 +00:00
Evan Cheng
aafcb722f9 Pool allocate SDDbgValue nodes.
llvm-svn: 99836
2010-03-29 20:48:30 +00:00
Chris Lattner
24b8a8bebd add a statistic for the # times isel has to backtrack.
llvm-svn: 99774
2010-03-28 19:46:56 +00:00
Chris Lattner
5ad69fe4b6 finally remove the immAllOnesV_bc/immAllZerosV_bc patterns
and those derived from them.  These are obnoxious because
they were written as: PatLeaf<(bitconvert).  Not having an
argument was foiling adding better type checking for operand
count matching up with what was required (in this case,
bitconvert always requires an operand!)

llvm-svn: 99759
2010-03-28 08:43:23 +00:00
Chris Lattner
78dc3c322f comply with the wishes of a fixme.
llvm-svn: 99742
2010-03-28 05:55:17 +00:00
Chris Lattner
918dd19018 now that (parallel) is gone and a variety of bugs in targets
are cleaned up, we can remove an old fixme.

llvm-svn: 99741
2010-03-28 05:54:03 +00:00
Chris Lattner
3f060e3216 add an optimized form of OPC_EmitMergeInputChains for the 1, 0 and
1, 1 cases which are by-far the most frequent.  This shrinks the X86
isel table from 77014 -> 74657 bytes.

llvm-svn: 99740
2010-03-28 05:50:16 +00:00
Chris Lattner
bacf4edba3 don't add nodes to the now-dead nodes list multiple times, this
can cause a crash on crazy situations in msp430 when morph-node-to
is disabled.

llvm-svn: 99739
2010-03-28 05:28:31 +00:00
Chris Lattner
bb65543f01 don't add flag nodes with chain results to the NowDeadNodes
list multiple times when MorphNodeTo can't be applied.

llvm-svn: 99735
2010-03-28 04:54:33 +00:00
Chris Lattner
85756c913d improve -debug-only=isel comments for cases when we don't enter a
scope due to obviously false predicate.

llvm-svn: 99723
2010-03-27 18:54:50 +00:00
Bill Wendling
3f00f8044f Forgot the part where we handle the ".llvm.eh.catch.all.value".
llvm-svn: 99697
2010-03-27 01:24:30 +00:00
Anton Korobeynikov
add7caa0f3 Add few missed libcalls and correct names for others.
llvm-svn: 99656
2010-03-26 21:32:14 +00:00