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Commit Graph

9489 Commits

Author SHA1 Message Date
Daniel Dunbar
c8c4accbaa Revert r98666 too; it's checkin-without-testing day!
llvm-svn: 98673
2010-03-16 20:52:59 +00:00
Chris Lattner
4edab939bb temporarily xfail
llvm-svn: 98666
2010-03-16 20:08:07 +00:00
Dan Gohman
7ac4578c0e Add an rdar number to this test.
llvm-svn: 98654
2010-03-16 19:08:20 +00:00
Duncan Sands
80f9637032 Chris pointed out that producing undef here is wrong in
general.

llvm-svn: 98649
2010-03-16 18:50:54 +00:00
Bob Wilson
34aca030c5 --- Reverse-merging r98637 into '.':
U    test/CodeGen/ARM/tls2.ll
U    test/CodeGen/ARM/arm-negative-stride.ll
U    test/CodeGen/ARM/2009-10-30.ll
U    test/CodeGen/ARM/globals.ll
U    test/CodeGen/ARM/str_pre-2.ll
U    test/CodeGen/ARM/ldrd.ll
U    test/CodeGen/ARM/2009-10-27-double-align.ll
U    test/CodeGen/Thumb2/thumb2-strb.ll
U    test/CodeGen/Thumb2/ldr-str-imm12.ll
U    test/CodeGen/Thumb2/thumb2-strh.ll
U    test/CodeGen/Thumb2/thumb2-ldr.ll
U    test/CodeGen/Thumb2/thumb2-str_pre.ll
U    test/CodeGen/Thumb2/thumb2-str.ll
U    test/CodeGen/Thumb2/thumb2-ldrh.ll
U    utils/TableGen/TableGen.cpp
U    utils/TableGen/DisassemblerEmitter.cpp
D    utils/TableGen/RISCDisassemblerEmitter.h
D    utils/TableGen/RISCDisassemblerEmitter.cpp
U    Makefile.rules
U    lib/Target/ARM/ARMInstrNEON.td
U    lib/Target/ARM/Makefile
U    lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
U    lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
U    lib/Target/ARM/AsmPrinter/ARMInstPrinter.h
D    lib/Target/ARM/Disassembler
U    lib/Target/ARM/ARMInstrFormats.td
U    lib/Target/ARM/ARMAddressingModes.h
U    lib/Target/ARM/Thumb2ITBlockPass.cpp

llvm-svn: 98640
2010-03-16 16:59:47 +00:00
Johnny Chen
ff030064fb Initial ARM/Thumb disassembler check-in. It consists of a tablgen backend
(RISCDisassemblerEmitter) which emits the decoder functions for ARM and Thumb,
and the disassembler core which invokes the decoder function and builds up the
MCInst based on the decoded Opcode.

Added sub-formats to the NeonI/NeonXI instructions to further refine the NEONFrm
instructions to help disassembly.

We also changed the output of the addressing modes to omit the '+' from the
assembler syntax #+/-<imm> or +/-<Rm>.  See, for example, A8.6.57/58/60.

And modified test cases to not expect '+' in +reg or #+num.  For example,

; CHECK:       ldr.w	r9, [r7, #28]

llvm-svn: 98637
2010-03-16 16:36:54 +00:00
Bob Wilson
67c88e4977 Stop using the old pre-UAL syntax for LDM/STM instruction suffixes.
This does not move entirely to UAL syntax, since the default "increment after"
suffix is empty but we still use "IA" for that.

llvm-svn: 98635
2010-03-16 16:19:07 +00:00
Duncan Sands
bdc291ce3a Check that P is not zero initialized.
llvm-svn: 98627
2010-03-16 11:36:35 +00:00
Bob Wilson
545aba3681 Add a testcase for the change in r98586.
llvm-svn: 98610
2010-03-16 05:33:29 +00:00
Bill Wendling
8d2ee208ab Forgot testcase for r98599.
llvm-svn: 98602
2010-03-16 01:54:20 +00:00
Chris Lattner
adff4d133f Fix the third (and last known) case of code update problems due
to LLVM IR changes with addr label weirdness.  In the testcase, we
generate references to the two bb's when codegen'ing the first
function:

_test1:                                 ## @test1
	leaq	Ltmp0(%rip), %rax
..
	leaq	Ltmp1(%rip), %rax

Then continue to codegen the second function where the blocks
get merged.  We're now smart enough to emit both labels, producing
this code:

_test_fun:                              ## @test_fun
## BB#0:                                ## %entry
Ltmp1:                                  ## Block address taken
Ltmp0:
## BB#1:                                ## %ret
	movl	$-1, %eax
	ret

Rejoice.

llvm-svn: 98595
2010-03-16 00:29:39 +00:00
Daniel Dunbar
241d3cb048 MC: Allow modifiers in MCSymbolRefExpr, and eliminate X86MCTargetExpr.
- Although it would be nice to allow this decoupling, the assembler needs to be able to reason about MCSymbolRefExprs in too many places to make this viable. We can use a target specific encoding of the variant if this becomes an issue.
 - This patch also extends llvm-mc to support parsing of the modifiers, as opposed to lumping them in with the symbol.

llvm-svn: 98592
2010-03-15 23:51:06 +00:00
Dan Gohman
db6002b964 Recognize code for doing vector gather/scatter index calculations with
32-bit indices. Instead of shuffling each element out of the index vector,
when all indices are needed, just store the input vector to the stack and
load the elements out.

llvm-svn: 98588
2010-03-15 23:23:03 +00:00
Daniel Dunbar
476b525e01 MC/Mach-O/x86_64: Temporary labels in cstring sections require symbols (and external relocations, but we don't have x86_64 relocations yet).
llvm-svn: 98583
2010-03-15 21:56:50 +00:00
Chris Lattner
45a0ae21b8 Implement support for the case when a reference to a addr-of-bb
label is generated, but then the block is deleted.  Since the
value is undefined, we just emit the label right after the entry 
label of the function.  It might matter that the label is in the
same section as the function was afterall.

llvm-svn: 98579
2010-03-15 20:39:00 +00:00
Chris Lattner
802ebf9561 Fix the case when a reference to an address taken BB is emitted in one
function, then the BB is RAUW'd before the definition is emitted.  There
are still two cases not being handled, but this should improve us back to
the situation before I touched anything.

llvm-svn: 98566
2010-03-15 19:09:43 +00:00
Chris Lattner
8be174c089 filecheckize a test and mark these wiht a cpu so it passes
on hosts without cmovs.

llvm-svn: 98521
2010-03-14 22:31:16 +00:00
Duncan Sands
217cec1786 Turn calls to copysignl into an FCOPYSIGN node. Handle FCOPYSIGN nodes
with ppc_f128 type by having the type legalizer turn these back into a
call to copysignl.

llvm-svn: 98514
2010-03-14 21:08:40 +00:00
Chris Lattner
70eca8f78e fix ShrinkDemandedOps to not leave dead nodes around,
fixing PR6607

llvm-svn: 98512
2010-03-14 19:46:02 +00:00
Chris Lattner
95e0a61b2d don't have i386-specific tests in CodeGen/Generic, PR6601.
llvm-svn: 98508
2010-03-14 18:51:18 +00:00
Chris Lattner
c50b8b27f5 fix PR6605, X86ISD::CMP always returns i32 (EFLAGS), not
the operand type.

llvm-svn: 98507
2010-03-14 18:44:35 +00:00
Anton Korobeynikov
9333c20518 Fix typo
llvm-svn: 98506
2010-03-14 18:42:52 +00:00
Anton Korobeynikov
3997a71ef8 Feature test for half precision FP.
llvm-svn: 98504
2010-03-14 18:42:43 +00:00
Chris Lattner
2bdb0765f8 fix AsmPrinter::GetBlockAddressSymbol to always return a unique
label instead of trying to form one based on the BB name (which
causes collisions if the name is empty).  This fixes PR6608

llvm-svn: 98495
2010-03-14 17:53:23 +00:00
Chris Lattner
9331acc6d7 get MMI out of the label uniquing business, just go to MCContext
to get unique assembler temporary labels.

llvm-svn: 98489
2010-03-14 08:36:50 +00:00
Chris Lattner
c90ed01cf3 xfail properly
llvm-svn: 98479
2010-03-14 07:55:34 +00:00
Chris Lattner
3e251f1db0 xfail these tests temporarily to get teh buildbots back to happy land.
llvm-svn: 98476
2010-03-14 07:32:48 +00:00
Evan Cheng
7d8c39bb1c Do not force indirect tailcall through fixed registers: eax, r11. Add support to allow loads to be folded to tail call instructions.
llvm-svn: 98465
2010-03-14 03:48:46 +00:00
Daniel Dunbar
a6526284f4 X86: Fix ADD64i32 encoding.
llvm-svn: 98457
2010-03-13 22:49:39 +00:00
Daniel Dunbar
eb158a88db MC/X86_64: Symbol support.
llvm-svn: 98456
2010-03-13 22:49:35 +00:00
Daniel Dunbar
fec15da5d7 MC/Mach-O: Initial x86_64 support.
llvm-svn: 98454
2010-03-13 22:10:17 +00:00
Daniel Dunbar
119ef3dc11 macho-dump: Basic Mach 64 support.
llvm-svn: 98453
2010-03-13 22:10:11 +00:00
Daniel Dunbar
6d5fa0c9d6 MC/X86_64: Fix matching of leaq.
llvm-svn: 98444
2010-03-13 19:31:44 +00:00
Daniel Dunbar
de2f4ae158 MC/X86_64: Fix matching of callq.
llvm-svn: 98443
2010-03-13 19:31:38 +00:00
Daniel Dunbar
e8b67adb94 MC/Mach-O: PCrel relocations weren't using the right base address, they are
relative to the fragment address, not its offset. This was masked by the text
section normally being at address 0.

llvm-svn: 98420
2010-03-13 02:38:00 +00:00
Evan Cheng
34c5c9af6f Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions.
llvm-svn: 98416
2010-03-13 02:20:29 +00:00
Daniel Dunbar
9ffe22ec23 MC/X86: Add temporary hack to match shrl $1,%eax correctly, to support testing
other functionality on 403.gcc compiled at -O0.

llvm-svn: 98405
2010-03-13 00:47:29 +00:00
Daniel Dunbar
3eab04b641 MC/X86: Add an XFAIL test where we aren't matching the correct instruction
because we don't understand how the specific instruction is doing sign
extension.

llvm-svn: 98404
2010-03-13 00:47:25 +00:00
Daniel Dunbar
8ad9589475 MC/Mach-O: Implement initial support for relaxation.
- The implementation is currently very brain dead and inefficient, but I have a
   clear plan on how to fix it.

 - The good news is, it works and correctly assembles 403.gcc (when built with
   Clang, at '-Os', '-Os -g', and '-O3'). Even better, at '-Os' and '-Os -g',
   the resulting binary is exactly equivalent to that when built with the system
   assembler. So it probably works! :)

llvm-svn: 98396
2010-03-12 22:07:14 +00:00
Devang Patel
04d151f5a6 Fix llc crash on invalid input.
llvm-svn: 98369
2010-03-12 19:18:30 +00:00
Chris Lattner
683801add5 simplify code to use OutContext.GetOrCreateTemporarySymbol with
no arguments instead of having to come up with a unique name.
This also makes the code less fragile.

llvm-svn: 98364
2010-03-12 18:47:50 +00:00
Duncan Sands
01532e804a When constant folding GEP of GEP, do not crash if an index of
the inner GEP is not a ConstantInt.

llvm-svn: 98359
2010-03-12 17:55:20 +00:00
Chris Lattner
80ab250a1c fix PR6577, a bug in sdbuilder lowering select instructions
whose true value was not Val#0.

llvm-svn: 98336
2010-03-12 07:15:36 +00:00
Bill Wendling
368a68ac82 revert r98270.
llvm-svn: 98281
2010-03-11 19:50:31 +00:00
Evan Cheng
20dbd70316 Bad bad bug. x86 force indirect tail call address into eax when it's meant to force it into a call preserved register instead. Change it to ecx for now.
llvm-svn: 98270
2010-03-11 18:49:14 +00:00
Richard Osborne
0dcde97cbc Add dag combine to simplify lmul(x, 0, a, b)
llvm-svn: 98258
2010-03-11 16:26:35 +00:00
Evan Cheng
4ef6d8fa15 The check for coalescing a virtual register to a physical register, e.g.
cl = EXTRACT_SUBREG reg1024, 1, is overly conservative. It should check
for overlaps of vr's live interval with the super registers of the
physical register (ECX in this case) and let JoinIntervals() handle checking
the coalescing feasibility against the physical register (cl in this case).

llvm-svn: 98251
2010-03-11 08:20:21 +00:00
Eric Christopher
bbdbe41a97 Have fast-isel understand llvm.objectsize. Update testcase for slightly
different codegen.

llvm-svn: 98244
2010-03-11 06:20:22 +00:00
Daniel Dunbar
ee26fc9e9f MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables.
llvm-svn: 98241
2010-03-11 05:53:37 +00:00
Chris Lattner
d6d11e53ab add support, testcases, and dox for the new GHC calling
convention.  Patch by David Terei!

llvm-svn: 98212
2010-03-11 00:22:57 +00:00