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Author SHA1 Message Date
Nick Lewycky
9b8cbbe11a The ARM and PowerPC jits are broken in this regard. 
llvm-svn: 84128
 2009-10-14 20:04:41 +00:00
Duncan Sands
08d519c2b7 There seems to be no reason for opt's -S option to be hidden. 
Make it visible.

llvm-svn: 84127
 2009-10-14 20:01:39 +00:00
Nick Lewycky
0498027dec Make use of the result of the loads even though that means adding -instcombine. 
llvm-svn: 84125
 2009-10-14 19:02:13 +00:00
Bob Wilson
c9b704f66c Set instruction encoding bits 4 and 7 for ARM register-register and 
register-shifted-register instructions.  Patch by Johnny Chen.

llvm-svn: 84124
 2009-10-14 19:00:24 +00:00
Bob Wilson
320891060f Refactor code to select NEON VST intrinsics. 
llvm-svn: 84122
 2009-10-14 18:32:29 +00:00
Devang Patel
89ef6dcb54 Use isVoidTy() 
llvm-svn: 84118
 2009-10-14 17:29:00 +00:00
Bob Wilson
2b19bbea06 Refactor code to select NEON VLD intrinsics. 
llvm-svn: 84117
 2009-10-14 17:28:52 +00:00
Devang Patel
95b6efe972 Add copyMD to copy metadata from one instruction to another instruction. 
llvm-svn: 84113
 2009-10-14 17:02:49 +00:00
Bob Wilson
5dbe1c0143 More refactoring. NEON vst lane intrinsics can share almost all the code for 
vld lane intrinsics.

llvm-svn: 84110
 2009-10-14 16:46:45 +00:00
Bob Wilson
7623a1ce5c Refactor code for selecting NEON load lane intrinsics. 
llvm-svn: 84109
 2009-10-14 16:19:03 +00:00
Duncan Sands
4fcf6123dd I don't see any point in having both eh.selector.i32 and eh.selector.i64, 
so get rid of eh.selector.i64 and rename eh.selector.i32 to eh.selector.
Likewise for eh.typeid.for.  This aligns us with gcc, which always uses a
32 bit value for the selector on all platforms.  My understanding is that
the register allocator used to assert if the selector intrinsic size didn't
match the pointer size, and this was the reason for introducing the two
variants.  However my testing shows that this is no longer the case (I
fixed some bugs in selector lowering yesterday, and some more today in the
fastisel path; these might have caused the original problems).

llvm-svn: 84106
 2009-10-14 16:11:37 +00:00
Chris Lattner
a1f5264dd2 make instcombine's instruction sinking more aggressive in the 
presence of PHI nodes.

llvm-svn: 84103
 2009-10-14 15:21:58 +00:00
Edward O'Callaghan
62d800b380 Undo pthread patch from rev. 83930 & 83823. Credit to Paul Davey. 
llvm-svn: 84083
 2009-10-14 11:12:33 +00:00
Evan Cheng
37a7a18748 Clear VisitedPHIs after use. 
llvm-svn: 84080
 2009-10-14 06:46:26 +00:00
Evan Cheng
907fd9c3fb Another BasicAA fix. If a value does not alias a GEP's base pointer, then it 
cannot alias the GEP. GEP pointer alias rule states this clearly:
A pointer value formed from a getelementptr instruction is associated with the
addresses associated with the first operand of the getelementptr.

llvm-svn: 84079
 2009-10-14 06:41:49 +00:00
Edward O'Callaghan
e874332be9 AuroraUX needs special Solaris system header. 
llvm-svn: 84076
 2009-10-14 05:55:03 +00:00
Evan Cheng
c1056d9269 More code clean up based on patch feedback. 
llvm-svn: 84074
 2009-10-14 05:22:03 +00:00
Evan Cheng
efc0f806a4 Change VisitedPHIs into an instance variable that's freed by each alias() call. 
llvm-svn: 84072
 2009-10-14 05:05:02 +00:00
Evan Cheng
b193d9df99 Replace test with a simpler hand crafted one. 
llvm-svn: 84069
 2009-10-14 01:45:10 +00:00
Edward O'Callaghan
b6f9b83969 Provide AuroraUX triple support in configure. Credit to - Paul Davey. 
llvm-svn: 84067
 2009-10-14 00:44:50 +00:00
Dale Johannesen
fd02008e2b Use llvmgxx for C++ test. 
llvm-svn: 84066
 2009-10-14 00:34:56 +00:00
Dan Gohman
1d10570630 Fix this test to account for a movl $0 being emitted as an xor now, 
and convert it to FileCheck.

llvm-svn: 84065
 2009-10-14 00:28:48 +00:00
Dale Johannesen
5017c333d0 Testcases for msasm bit (llvm-gcc 84062). 
llvm-svn: 84063
 2009-10-14 00:10:54 +00:00
Dan Gohman
76221cc874 Make isSafeToClobberEFLAGS more aggressive. Teach it to scan backwards 
(for uses marked kill and defs marked dead) a few instructions in
addition to forwards. Also, increase the maximum number of instructions
to scan, as it appears to help in a fair number of cases.

llvm-svn: 84061
 2009-10-14 00:08:59 +00:00
Dan Gohman
49946908b4 This remat entry is basically done. There are hooks to allow targets 
to remat non-load instructions as loads, and the remat code now uses
the UnmodeledSideEffects flags, MachineMemOperands, and similar things
to decide which instructions are valid for rematerialization.

llvm-svn: 84060
 2009-10-14 00:02:01 +00:00
Dan Gohman
d845fbc307 Add a few README.txt items. 
llvm-svn: 84059
 2009-10-13 23:58:05 +00:00
Dan Gohman
86970a6ea6 Fix resetCachedCostInfo to reset all of the cost information, instead of 
just the NumBlocks field.

llvm-svn: 84056
 2009-10-13 23:36:36 +00:00
Kevin Enderby
8d8e57983a Correct comment about ARM immediates using '#' not '$' and TODO for modifiers. 
llvm-svn: 84055
 2009-10-13 23:33:38 +00:00
Devang Patel
72f708ec2f s/DebugLoc.CompileUnit/DebugLoc.Scope/g 
s/DebugLoc.InlinedLoc/DebugLoc.InlinedAtLoc/g

llvm-svn: 84054
 2009-10-13 23:28:53 +00:00
Devang Patel
81485d992b Check void type before using RAUWd. 
llvm-svn: 84049
 2009-10-13 22:56:32 +00:00
Bob Wilson
a98883deaa More Neon clean-up: avoid the need for custom-lowering vld/st-lane intrinsics 
by creating TargetConstants during instruction selection instead of during
legalization.

llvm-svn: 84042
 2009-10-13 22:29:24 +00:00
Kevin Enderby
959ec973ad More bits of the ARM target assembler for llvm-mc to parse immediates. 
Also fixed a couple of coding style things that crept in.  And added more
to the temporary hacked up ARMAsmParser::MatchInstruction() method for testing.

llvm-svn: 84040
 2009-10-13 22:19:02 +00:00
Evan Cheng
3130aba687 Teach basic AA about PHI nodes. If all operands of a phi NoAlias another value than it's safe to declare the PHI NoAlias the value. Ditto for MustAlias. 
llvm-svn: 84038
 2009-10-13 22:02:20 +00:00
Dale Johannesen
98d4e2663f Documentation for the new msasm flag, which is no 
worse than the rest of the asm documentation.

llvm-svn: 84037
 2009-10-13 21:56:55 +00:00
Bob Wilson
88df19e49a NEON VLD/VST are now fully implemented. For operations that expand to 
multiple instructions, the expansion is done during selection so there is
no need to do anything special during legalization.

llvm-svn: 84036
 2009-10-13 21:55:24 +00:00
Devang Patel
20d88f9e16 Do not check use_empty() before replaceAllUsesWith(). This gives ValueHandles a chance to get properly updated. 
llvm-svn: 84033
 2009-10-13 21:41:20 +00:00
Jeffrey Yasskin
8a0bdbb7f3 Keep track of stubs that are created. This fixes PR5162 and probably PR4822 and 
4406. Patch by Nick Lewycky!

llvm-svn: 84032
 2009-10-13 21:32:57 +00:00
Douglas Gregor
1fd6052176 Add is_same type trait 
llvm-svn: 84029
 2009-10-13 21:17:00 +00:00
Duncan Sands
d4a35e9f36 Introduce new convenience methods for sign extending or 
truncating an SDValue (depending on whether the target
type is bigger or smaller than the value's type); or zero
extending or truncating it.  Use it in a few places (this
seems to be a popular operation, but I only modified cases
of it in SelectionDAGBuild).  In particular, the eh_selector
lowering was doing this wrong due to a repeated rather than
inverted test, fixed with this change.

llvm-svn: 84027
 2009-10-13 21:04:12 +00:00
Devang Patel
4eb6a32cf6 Optimizer may remove debug info. This test checks debug info for include headers. 
llvm-svn: 84025
 2009-10-13 20:56:38 +00:00
Bob Wilson
d66a3fd73b Revise ARM inline assembly memory operands to require the memory address to 
be in a register.  The previous use of ARM address mode 2 was completely
arbitrary and inappropriate for Thumb.  Radar 7137468.

llvm-svn: 84022
 2009-10-13 20:50:28 +00:00
Dale Johannesen
7db511a23e Add an "msasm" flag to inline asm as suggested in PR 5125. 
A little ugliness is accepted to keep the binary file format
compatible.  No functional change yet.

llvm-svn: 84020
 2009-10-13 20:46:56 +00:00
Devang Patel
754bb7a010 These tests now pass. 
llvm-svn: 84019
 2009-10-13 20:45:18 +00:00
Sandeep Patel
af459ed32d Fix method name in comment, per Bob Wilson. 
llvm-svn: 84017
 2009-10-13 20:25:58 +00:00
Dan Gohman
c5a7668904 Use the new CodeMetrics class to compute code size instead of 
manually counting instructions.

llvm-svn: 84016
 2009-10-13 20:12:23 +00:00
Dan Gohman
c1e210fa10 Compute a full cost value even when a setjmp call is found. 
llvm-svn: 84015
 2009-10-13 20:10:10 +00:00
Dan Gohman
665e336185 Split code not specific to Function inlining out into a separate class, 
named CodeMetrics. Move it to be a non-nested class. Rename RegionInfo
back to FunctionInfo.

llvm-svn: 84013
 2009-10-13 19:58:07 +00:00
David Goodwin
d23db026b6 Add debugging output. 
llvm-svn: 84011
 2009-10-13 19:16:03 +00:00
Ted Kremenek
abbc32c042 Provide a mode for ImmutableMap/ImmutableSet to not automatically canonicalize the internal functional AVL trees. This should speedup clients that use ImmutableMap/ImmutableSet but don't require fast comparisons of maps. 
llvm-svn: 84010
 2009-10-13 19:08:10 +00:00
Sandeep Patel
1584038783 Add ARMv6T2 SBFX/UBFX instructions. Approved by Anton Korobeynikov. 
llvm-svn: 84009
 2009-10-13 18:59:48 +00:00