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9475 Commits

Author SHA1 Message Date
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
Chris Lattner
7cd70b8066 fix PR6533 by updating the br(xor) code to remember the case 
when it looked past a trunc.

llvm-svn: 98203
 2010-03-10 23:46:44 +00:00
Dan Gohman
d9d4889ccc Constant-fold GEP-of-GEP into a single GEP. 
llvm-svn: 98178
 2010-03-10 19:31:51 +00:00
Dan Gohman
7fa1298057 Fix whitespace. 
llvm-svn: 98173
 2010-03-10 19:00:54 +00:00
Tobias Grosser
64dd8298f5 Fix make check with cmake/lit 
PR6540: Set the newly introduced variables ENABLE_SHARED and
SHLIBPATH_VAR in lit.site.cfg not only in the autoconf build, but also
in a cmake one.

llvm-svn: 98171
 2010-03-10 18:41:59 +00:00
Richard Osborne
41c5f84f1d Handle MVT::i64 type in DAG combine for ISD::ADD. Fold 64 bit 
expression add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if all
operands are zero extended.

llvm-svn: 98168
 2010-03-10 18:12:27 +00:00
Bob Wilson
92058c0473 Testcase for pr6552. I changed the code to use "ip" instead of "fp" because 
the "fp" register name is not valid on Darwin, and the "ip" register name was
broken for all ARM targets.

llvm-svn: 98166
 2010-03-10 17:54:11 +00:00
Richard Osborne
d400202a43 Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediate 
results are unused elsewhere.

llvm-svn: 98157
 2010-03-10 16:19:31 +00:00
Richard Osborne
c19c2bd177 Prefer LMUL to MACCU as LMUL has no tied operands. 
llvm-svn: 98153
 2010-03-10 13:27:10 +00:00
Richard Osborne
43210638f1 Custom lower (S|U)MUL_LOHI -> MACC(S|U) 
llvm-svn: 98152
 2010-03-10 13:20:07 +00:00
Richard Osborne
c88a8e8d66 Lower add (mul a, b), c into MACCU / MACCS nodes which translate 
directly to the maccu / maccs instructions. We handle this in
ExpandADDSUB since after type legalisation it is messy to
recognise these operations.

llvm-svn: 98150
 2010-03-10 11:41:08 +00:00
Richard Osborne
6c55bfe516 Convert test to FileCheck. 
llvm-svn: 98148
 2010-03-10 11:24:03 +00:00
Evan Cheng
1f7af27386 Fix typo. 
llvm-svn: 98142
 2010-03-10 07:07:55 +00:00
Evan Cheng
96e1e20fd5 Unbreak test on Linux. 
llvm-svn: 98141
 2010-03-10 07:07:45 +00:00
Evan Cheng
668ceddeec Enable machine cse pass. 
llvm-svn: 98132
 2010-03-10 03:07:41 +00:00