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15294 Commits

Author SHA1 Message Date
Jim Grosbach
f7236d1084 ARM NEON assmebly parsing for VLD2 to all lanes instructions. 
llvm-svn: 147069
 2011-12-21 19:40:55 +00:00
Chad Rosier
c2f31859cc Fix a couple of copy-n-paste bugs. Noticed by George Russell! 
llvm-svn: 147064
 2011-12-21 18:56:22 +00:00
Nick Lewycky
9adbd36737 Make some intrinsics safe to speculatively execute. 
llvm-svn: 147036
 2011-12-21 05:52:02 +00:00
Evan Cheng
fb22f64814 Fix a couple of copy-n-paste bugs. Noticed by George Russell. 
llvm-svn: 147032
 2011-12-21 03:04:10 +00:00
Jim Grosbach
6bd1044b03 ARM NEON VLD2 assembly parsing for structure to all lanes, non-writeback. 
llvm-svn: 147025
 2011-12-21 00:38:54 +00:00
Akira Hatanaka
4ab17eaca0 Fix bug in zero-store peephole pattern reported in pr11615. 
The patch and test case were originally written by Mans Rullgard.

llvm-svn: 147024
 2011-12-21 00:31:10 +00:00
Akira Hatanaka
0af792d12b Expand 64-bit CTLZ nodes if target architecture does not support it. Add test 
case for DCLO and DCLZ.

llvm-svn: 147022
 2011-12-21 00:20:27 +00:00
Akira Hatanaka
fb94688c7a Test case for r147017. 
llvm-svn: 147018
 2011-12-20 23:58:36 +00:00
Jim Grosbach
0768f2c420 Enable and fix a test. 
llvm-svn: 147011
 2011-12-20 23:20:00 +00:00
Akira Hatanaka
2e4f1786b1 Add function MipsDAGToDAGISel::SelectMULT and factor out code that generates 
nodes needed for multiplication. Add code for selecting 64-bit MULHS and MULHU
nodes.

llvm-svn: 147008
 2011-12-20 23:10:57 +00:00
Akira Hatanaka
f728a1b2c5 64-bit data directive. 
llvm-svn: 147005
 2011-12-20 22:52:19 +00:00
Akira Hatanaka
ad193d95ae 32-to-64-bit sext_inreg pattern. 
llvm-svn: 147004
 2011-12-20 22:40:40 +00:00
Akira Hatanaka
8728f4ed69 Add code in MipsDAGToDAGISel for selecting constant +0.0. 
MIPS64 can generate constant +0.0 with a single DMTC1 instruction. 

llvm-svn: 146999
 2011-12-20 22:25:50 +00:00
Jakob Stoklund Olesen
2b24e1eac4 Heed spill slot alignment on ARM. 
Use the spill slot alignment as well as the local variable alignment to
determine when the stack needs to be realigned. This works now that the
ARM target can always realign the stack by using a base pointer.

Still respect the ARMBaseRegisterInfo::canRealignStack() function
vetoing a realigned stack.  Don't use aligned spill code in that case.

llvm-svn: 146997
 2011-12-20 22:15:04 +00:00
Jim Grosbach
8978194025 ARM assembly parsing and encoding for VST2 single-element, double spaced. 
llvm-svn: 146990
 2011-12-20 20:46:29 +00:00
Jim Grosbach
3f48367a1b ARM enable a few more tests. 
llvm-svn: 146985
 2011-12-20 20:03:00 +00:00
Jim Grosbach
8156a5dcee ARM assembly parsing and encoding for VLD2 single-element, double spaced. 
llvm-svn: 146983
 2011-12-20 19:21:26 +00:00
Evan Cheng
46b085721a ARM target code clean up. Check for iOS, not Darwin where it makes sense. 
llvm-svn: 146981
 2011-12-20 18:26:50 +00:00
Elena Demikhovsky
b37883fe87 This is the second fix related to VZEXT_MOVL node. 
The failure that I see in the current version is:

LLVM ERROR: Cannot select: 0x18b8f70: v4i64 = X86ISD::VZEXT_MOVL 0x18beee0 [ID=14]
  0x18beee0: v4i64 = insert_subvector 0x18b8c70, 0x18b9170, 0x18b9570 [ID=13]
    0x18b8c70: v4i64 = insert_subvector 0x18b9870, 0x18bf4e0, 0x18b9970 [ID=12]
      0x18b9870: v4i64 = undef [ID=4]
      0x18bf4e0: v2i64 = bitcast 0x18bf3e0 [ID=10]
        0x18bf3e0: v4i32 = BUILD_VECTOR 0x18b9770, 0x18b9770, 0x18b9770, 0x18b9770 [ID=8]
          0x18b9770: i32 = TargetConstant<0> [ID=6]
          0x18b9770: i32 = TargetConstant<0> [ID=6]
          0x18b9770: i32 = TargetConstant<0> [ID=6]
          0x18b9770: i32 = TargetConstant<0> [ID=6]
      0x18b9970: i32 = Constant<0> [ID=3]
    0x18b9170: v2i64 = undef [ORD=1] [ID=1]
    0x18b9570: i32 = Constant<2> [ID=5]

llvm-svn: 146975
 2011-12-20 13:34:28 +00:00
Chandler Carruth
7564e8371a Begin teaching the X86 target how to efficiently codegen patterns that 
use the zero-undefined variants of CTTZ and CTLZ. These are just simple
patterns for now, there is more to be done to make real world code using
these constructs be optimized and codegen'ed properly on X86.

The existing tests are spiffed up to check that we no longer generate
unnecessary cmov instructions, and that we generate the very important
'xor' to transform bsr which counts the index of the most significant
one bit to the number of leading (most significant) zero bits. Also they
now check that when the variant with defined zero result is used, the
cmov is still produced.

llvm-svn: 146974
 2011-12-20 11:19:37 +00:00
Andrew Trick
a1c4f73f87 Unit test for r146950: LSR postinc expansion, PR11571. 
llvm-svn: 146951
 2011-12-20 01:43:20 +00:00
Bob Wilson
8439df9506 Mark ARM eh_sjlj_dispatchsetup as clobbering all registers. Radar 10567930. 
We used to rely on the *eh_sjlj_setjmp instructions to mark that a function
with setjmp/longjmp exception handling clobbers all the registers.  But with
the recent reorganization of ARM EH, those eh_sjlj_setjmp instructions are
expanded away earlier, before PEI can see them to determine what registers to
save and restore.  Mark the dispatchsetup instruction in the same way, since
that instruction cannot be expanded early.  This also more accurately reflects
when the registers are clobbered.

llvm-svn: 146949
 2011-12-20 01:29:27 +00:00
Jim Grosbach
3f5493c136 ARM assembly shifts by zero should be plain 'mov' instructions. 
"mov r1, r2, lsl #0" should assemble as "mov r1, r2" even though it's
not strictly legal UAL syntax. It's a common extension and the friendly
thing to do.

rdar://10604663

llvm-svn: 146937
 2011-12-20 00:59:38 +00:00
Chris Lattner
c1d9c0a2a3 Now that PR11464 is fixed, reapply the patch to fix PR11464, 
merging types by name when we can.  We still don't guarantee type name linkage
but we do it when obviously the right thing to do.  This makes LTO type names 
easier to read, for example.

llvm-svn: 146932
 2011-12-20 00:12:26 +00:00
Chris Lattner
998998b3e7 fix PR11464 by preventing the linker from mapping two different struct types from the source module onto the same opaque destination type. An opaque type can only be resolved to one thing or another after all. 
llvm-svn: 146929
 2011-12-20 00:03:52 +00:00
Evan Cheng
9362ee62bc Move tests to FileCheck. 
llvm-svn: 146923
 2011-12-19 23:26:44 +00:00
Jim Grosbach
343f270350 ARM assembly parsing and encoding support for LDRD(label). 
rdar://9932658

llvm-svn: 146921
 2011-12-19 23:06:24 +00:00
Akira Hatanaka
7ef923c1f0 Add a test case for r146900. 
llvm-svn: 146901
 2011-12-19 20:24:28 +00:00
Akira Hatanaka
e54da3bfa2 Add patterns for matching immediates whose lower 16-bit is cleared. These 
patterns emit a single LUi instruction instead of a pair of LUi and ORi.

llvm-svn: 146900
 2011-12-19 20:21:18 +00:00
Jim Grosbach
797a88284c ARM NEON two-operand aliases for VPADD. 
rdar://10602276

llvm-svn: 146895
 2011-12-19 19:51:03 +00:00
Akira Hatanaka
804863071f Remove definitions of double word shift plus 32 instructions. Assembler or 
direct-object emitter should emit the appropriate shift instruction depending
on the shift amount.

llvm-svn: 146893
 2011-12-19 19:44:09 +00:00
Akira Hatanaka
b7ebcb2ded Remove the restriction on the first operand of the add node in SelectAddr. 
This change reduces the number of instructions generated.

For example, 
(load (add (sub $n0, $n1), (MipsLo got(s))))

results in the following sequence of instructions:
1. sub $n2, $n0, $n1
2. lw got(s)($n2)

Previously, three instructions were needed.
1. sub $n2, $n0, $n1
2. addiu $n3, $n2, got(s)
3. lw 0($n3)

llvm-svn: 146888
 2011-12-19 19:28:37 +00:00
Jim Grosbach
520db82971 ARM NEON implied destination aliases for VMAX/VMIN. 
llvm-svn: 146885
 2011-12-19 18:57:38 +00:00
Jim Grosbach
f4ca84a7ab ARM NEON relax parse time diagnostics for alignment specifiers. 
There's more variation that we need to handle. Error checking will need
to be on operand predicates.

llvm-svn: 146884
 2011-12-19 18:31:43 +00:00
Joerg Sonnenberger
8cf8d64d19 Allow inlining of functions with returns_twice calls, if they have the 
attribute themselve.

llvm-svn: 146851
 2011-12-18 20:35:43 +00:00
Chad Rosier
b870a13cd8 Revert 146728 as it's causing failures on some of the external bots as well as 
internal nightly testers.  Original commit message:

By popular demand, link up types by name if they are isomorphic and one is an
autorenamed version of the other.   This makes the IR easier to read, because
we don't end up with random renamed versions of the types after LTO'ing a large
app.

llvm-svn: 146838
 2011-12-17 22:19:53 +00:00
Kevin Enderby
42fffe915a Revert r146822 at Pete Cooper's request as it broke clang self hosting. 
Hope I did this correctly :)

llvm-svn: 146834
 2011-12-17 19:48:52 +00:00
Pete Cooper
0ec73f6e98 SimplifyCFG now predicts some conditional branches to true or false depending on previous branch on same comparison operands. 
For example, 

if (a == b) {
    if (a > b) // this is false
    
Fixes some of the issues on <rdar://problem/10554090>

llvm-svn: 146822
 2011-12-17 06:32:38 +00:00
Manuel Klimek
09f4d148b8 Deleting the json-bench-test until I understand why it is flaky. 
llvm-svn: 146821
 2011-12-17 06:29:32 +00:00
Evan Cheng
23574ec02a Fix a CPSR liveness tracking bug introduced when I converted IT block to bundle. 
llvm-svn: 146805
 2011-12-17 01:25:34 +00:00
Rafael Espindola
549d0683b1 Add back the MC bits of 126425. Original patch by Nathan Jeffords. I added the 
asm parsing and testcase.

llvm-svn: 146801
 2011-12-17 01:14:52 +00:00
Lang Hames
e32ef23ba8 Make sure that the lower bits on the VSELECT condition are properly set. 
llvm-svn: 146800
 2011-12-17 01:08:46 +00:00
Dan Gohman
9c8c9a8f62 The powers that be have decided that LLVM IR should now support 16-bit 
"half precision" floating-point with a first-class type.

This patch adds basic IR support (but not codegen support).

llvm-svn: 146786
 2011-12-17 00:04:22 +00:00
Eric Christopher
38b0b94ef2 When recursing for the original size of a type, stop if we are at a 
pointer or a reference type - we actually just want the size of the
pointer then for that.

Fixes rdar://10335756

llvm-svn: 146785
 2011-12-16 23:42:45 +00:00
Jakob Stoklund Olesen
445cdbb987 Fix off-by-one error in bucket sort. 
The bad sorting caused a misaligned basic block when building 176.vpr in
ARM mode.

<rdar://problem/10594653>

llvm-svn: 146767
 2011-12-16 23:00:05 +00:00
Benjamin Kramer
04d6a4c456 Hexagon: Fix a nasty order-of-initialization bug. 
Reenable the tests.

llvm-svn: 146750
 2011-12-16 19:08:59 +00:00
Manuel Klimek
2f7cf4e64b Adds a JSON parser and a benchmark (json-bench) to catch performance regressions. 
llvm-svn: 146735
 2011-12-16 13:09:10 +00:00
Chris Lattner
26f06c927f By popular demand, link up types by name if they are isomorphic and one is an 
autorenamed version of the other.   This makes the IR easier to read, because
we don't end up with random renamed versions of the types after LTO'ing a large app.

llvm-svn: 146728
 2011-12-16 08:36:07 +00:00
Craig Topper
88e2bfef0a Don't try to match 'unpackl/h v, v' for 32xi8 and 16xi16 when only AVX1 is supported. Fix 'unpackh v, v' for 256-bit types to understand 128-bit lanes. 
llvm-svn: 146726
 2011-12-16 08:06:31 +00:00
Kostya Serebryany
c78b00cab4 [asan] add a test for instrumenting globals 
llvm-svn: 146718
 2011-12-16 01:28:19 +00:00