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35997 Commits

Author SHA1 Message Date
Eric Christopher 531ea566a6 Add ConstantExpr handling to Intrinsic::objectsize lowering. 
Update testcase accordingly now that we can optimize another
section.

llvm-svn: 95846
 2010-02-11 01:48:54 +00:00
Bill Wendling 7c2005aa6d Fix to get it to compile. 
llvm-svn: 95840
 2010-02-11 01:15:27 +00:00
Bill Wendling 6034260c43 Don't print out a default newline when emitting the section offset. There are 
almost always comments afterwards that need printing.

llvm-svn: 95839
 2010-02-11 01:13:02 +00:00
Jeffrey Yasskin e0913883b7 Make it possible to create multiple JIT instances at the same time, by removing 
the global TheJIT and TheJITResolver variables.  Lazy compilation is supported
by a global map from a stub address to the JITResolver that knows how to
compile it.

Patch by Olivier Meurant!

llvm-svn: 95837
 2010-02-11 01:07:39 +00:00
Jakob Stoklund Olesen 75521cab3e Reuse operand location when updating PHI instructions. 
Calling RemoveOperand is very expensive on huge PHI instructions. This makes
early tail duplication run twice as fast on the Firefox JavaScript
interpreter.

llvm-svn: 95832
 2010-02-11 00:34:33 +00:00
Jakob Stoklund Olesen 896428d630 Remove duplicate successors from indirectbr instructions before building the machine CFG. 
This makes early tail duplication run 60 times faster when compiling the Firefox
JavaScript interpreter, see PR6186.

llvm-svn: 95831
 2010-02-11 00:34:18 +00:00
Devang Patel 03936a1880 Ignore dbg info intrinsics. 
llvm-svn: 95828
 2010-02-11 00:20:49 +00:00
Mon P Wang 5b77f0dac1 The previous fix of widening divides that trap was too fragile as it depends on custom 
lowering and requires that certain types exist in ValueTypes.h.  Modified widening to
check if an op can trap and if so, the widening algorithm will apply only the op on
the defined elements.  It is safer to do this in widening because the optimizer can't
guarantee removing unused ops in some cases.

llvm-svn: 95823
 2010-02-10 23:37:45 +00:00
Dale Johannesen af3fe99821 Ignore debug info one more place during coalescing. 
llvm-svn: 95819
 2010-02-10 23:04:09 +00:00
Bob Wilson 0f52d0c074 Delete dead PHI machine instructions. These can be created due to type 
legalization even when the IR-level optimizer has removed dead phis, such
as when the high half of an i64 value is unused on a 32-bit target.
I had to adjust a few test cases that had dead phis.
This is a partial fix for Radar 7627077.

llvm-svn: 95816
 2010-02-10 22:58:57 +00:00
Dale Johannesen 8bba1608bd Skip debug info in a couple of places. 
llvm-svn: 95814
 2010-02-10 21:47:48 +00:00
Bill Wendling 7742b6406b Use an index instead of pointers into the vector. If the vector resizes, then 
the pointer values could be invalid.

llvm-svn: 95813
 2010-02-10 21:41:57 +00:00
Dale Johannesen 1ccda7b7c4 When I rewrote this loop per Chris' preference I 
changed its behavior.  Oops.

llvm-svn: 95811
 2010-02-10 21:41:41 +00:00
Eli Friedman 4d4c6944e9 A few missed optimizations; the last one could have a significant impact on 
code with lots of bitfields.

llvm-svn: 95809
 2010-02-10 21:26:04 +00:00
Devang Patel 211746a69a Strip new llvm.dbg.value intrinsic. 
llvm-svn: 95807
 2010-02-10 21:19:56 +00:00
Daniel Dunbar 3e0c9790f2 MC/X86 AsmMatcher: Fix a use after free spotted by d0k, and de-XFAIL 
x86_32-encoding.s in on expectation of it passing.

llvm-svn: 95806
 2010-02-10 21:19:28 +00:00
Dan Gohman bd11c41b91 Minor whitespace cleanups. 
llvm-svn: 95801
 2010-02-10 20:42:57 +00:00
Dan Gohman c42c5243a1 Use an AssemblyAnnotatorWriter to clean up IVUsers' debug output. 
The "uses=" comments are just clutter in this context.

llvm-svn: 95799
 2010-02-10 20:42:37 +00:00
Dan Gohman e34890f921 Add a hook to AssemblyAnnotationWriter to allow custom info comments 
to be printed, in place of the familiar "uses=" comments.

llvm-svn: 95798
 2010-02-10 20:41:46 +00:00
Dan Gohman 97c5902e78 Fix several comments which had previously been "the the" where a 
different word was intended.

llvm-svn: 95795
 2010-02-10 20:04:19 +00:00
Johnny Chen c7e14704d0 Added NOP, DBG, SVC to the instruction table for disassembly purpose. 
llvm-svn: 95784
 2010-02-10 18:02:25 +00:00
Dan Gohman 4a618827de Fix "the the" and similar typos. 
llvm-svn: 95781
 2010-02-10 16:03:48 +00:00
Chris Lattner de03bd0ab4 emit some simple (and probably incorrect) fixups for symbolic 
displacement values.

llvm-svn: 95773
 2010-02-10 06:52:12 +00:00
Chris Lattner f58d0074d7 keep track of what the current byte being emitted is 
throughout the X86 encoder.

llvm-svn: 95771
 2010-02-10 06:41:02 +00:00
Chris Lattner a725d785a9 simplify displacement handling, emit displacements by-operand 
even for the immediate case.  No functionality change.

llvm-svn: 95770
 2010-02-10 06:30:00 +00:00
Dan Gohman 183a423af9 Canonicalize sizeof and alignof on pointer types to a canonical 
pointer type.

llvm-svn: 95769
 2010-02-10 06:13:07 +00:00
Daniel Dunbar 605474463f MC: Switch MCFixup to just hold an MCExpr pointer instead of index into the 
MCInst it came from.

llvm-svn: 95767
 2010-02-10 04:47:08 +00:00
Evan Cheng 29b8f554fc Now that ShrinkDemandedOps() is separated out from DAG combine. It sometimes leave some obvious nops which dag combine used to clean up afterwards e.g. (trunk (ext n)) -> n. Look for them and squash them. 
llvm-svn: 95757
 2010-02-10 02:17:34 +00:00
Daniel Dunbar 75c9a4eeae llvm-mc: Remove --show-fixups and always show as part of --show-encoding. 
Also, fix a silly memory leak.

llvm-svn: 95752
 2010-02-10 01:41:14 +00:00
Dale Johannesen f8b0e44584 Rewrite loop to suit Chris' preference. 
llvm-svn: 95749
 2010-02-10 01:31:26 +00:00
Chris Lattner ea26fa9971 fix a layering violation: VirtRegRewriter.cpp shouldn't use AsmPrinter.h. 
llvm-svn: 95748
 2010-02-10 01:23:18 +00:00
Evan Cheng 0a75ceee38 Remove duplicated #include. 
llvm-svn: 95747
 2010-02-10 01:22:57 +00:00
Evan Cheng 3ebd551aac Emit an error for illegal inline asm constraint (which uses illegal type) rather than asserting. 
llvm-svn: 95746
 2010-02-10 01:21:02 +00:00
Chris Lattner c9505b68c8 fix missing #includes. 
llvm-svn: 95745
 2010-02-10 01:17:36 +00:00
Chris Lattner 69920c5c8a daniel *really* likes fixups! 
llvm-svn: 95742
 2010-02-10 01:05:28 +00:00
Bill Wendling a0cd0e11c9 Improve comments a even more. 
llvm-svn: 95740
 2010-02-10 00:59:47 +00:00
Dale Johannesen f8f9f55468 Skip DBG_VALUE many places in live intervals and 
register coalescing.  This fixes many crashes and
places where debug info affects codegen (when
dbg.value is lowered to machine instructions, which
it isn't yet in TOT).

llvm-svn: 95739
 2010-02-10 00:55:42 +00:00
Chris Lattner 74e6852510 Move verbose asm instruction comments to using MCStreamer. 
The major win of this is that the code is simpler and they 
print on the same line as the instruction again:

        movl    %eax, 96(%esp)          ## 4-byte Spill
        movl    96(%esp), %eax          ## 4-byte Reload
        cmpl    92(%esp), %eax          ## 4-byte Folded Reload
        jl      LBB7_86

llvm-svn: 95738
 2010-02-10 00:47:53 +00:00
Bill Wendling b188e92ca9 Improve comments a bit more. 
llvm-svn: 95737
 2010-02-10 00:45:28 +00:00
Dale Johannesen 222c75bea2 more comment updates 
llvm-svn: 95736
 2010-02-10 00:44:23 +00:00
Dale Johannesen d40d42c9e5 Add isDebug argument to ChangeToRegister; this prevents 
the field from being used uninitialized later in some cases.

llvm-svn: 95735
 2010-02-10 00:41:49 +00:00
Chris Lattner ff68a42121 print all the newlines at the end of instructions with 
OutStreamer.AddBlankLine instead of textually.

llvm-svn: 95734
 2010-02-10 00:36:00 +00:00
Kenneth Uildriks 08f618cd03 IntegerValType holds a uint32_t, so its constructor should take a uint32_t. This allows it to be properly initialized with bit widths > 65535 
llvm-svn: 95731
 2010-02-10 00:14:03 +00:00
Dale Johannesen 3d1f1cccbb Fix comments to reflect renaming elsewhere. 
llvm-svn: 95730
 2010-02-10 00:11:11 +00:00
Kevin Enderby a7c1d6cfd1 Fix the encoding of the movntdqa X86 instruction. It was missing the 0x66 
prefix which is part of the opcode encoding.

llvm-svn: 95729
 2010-02-10 00:10:31 +00:00
Chris Lattner 482bf69bfe Add ability for MCInstPrinters to add comments for instructions. 
Enhance the x86 backend to show the hex values of immediates in
comments when they are large.  For example:

        movl    $1072693248, 4(%esp)    ## imm = 0x3FF00000

llvm-svn: 95728
 2010-02-10 00:10:18 +00:00
David Greene 509be1fe5e TableGen fragment refactoring. 
Move some utility TableGen defs, classes, etc. into a common file so
they may be used my multiple pattern files.  We will use this for
the AVX specification to help with the transition from the current
SSE specification.

llvm-svn: 95727
 2010-02-09 23:52:19 +00:00
Johnny Chen 1215c774f2 Add VBIF/VBIT for disassembly only. 
A8.6.279

llvm-svn: 95713
 2010-02-09 23:05:23 +00:00
David Greene 893047d43e Only dump output in debug mode. 
llvm-svn: 95711
 2010-02-09 23:03:05 +00:00
Daniel Dunbar 9a0a46163d llvm-mc: Add --show-fixups option, for displaying the instruction fixup information in the asm comments. 
llvm-svn: 95710
 2010-02-09 23:00:14 +00:00