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Author SHA1 Message Date
Dan Gohman
af429b3e52 Fix SDISel lowering of zeroinitializer and undef to use ComputeValueVTs. 
This allows it to work correctly on nested aggregate values.
This fixes PR2625.

llvm-svn: 54330
 2008-08-04 23:30:41 +00:00
Dan Gohman
5d0df78ae0 Add an assert to catch invalid VECTOR_SHUFFLE mask indices. 
llvm-svn: 54329
 2008-08-04 23:09:15 +00:00
Bruno Cardoso Lopes
34f2582096 Mips ISelLowering cleanup : Removed old LowerCALL and FORMAL_ARGS helpers, they 
aren't used anyway, they also used to broke compiling when fastcc was specified for a
function, but not anymore.

llvm-svn: 54316
 2008-08-04 07:12:52 +00:00
Bruno Cardoso Lopes
463f306553 Handle i32->f32 bitconvert results. 
llvm-svn: 54315
 2008-08-04 06:44:31 +00:00
Andrew Lenharth
377c046675 Add atomic sub for other sizes 
llvm-svn: 54314
 2008-08-03 20:17:34 +00:00
Chris Lattner
9aaf1f7650 Emit saveri with the correct operand order, patch by Richard Pennington! 
llvm-svn: 54313
 2008-08-03 18:16:14 +00:00
Bruno Cardoso Lopes
e9f5a77b11 Fix PR2615 
llvm-svn: 54312
 2008-08-03 15:37:43 +00:00
Bruno Cardoso Lopes
b13d663126 Improved asm inline for hi,lo results 
Added hi,lo registers to be used,def implicitly. This provides better handle of
instructions which use hi/lo.
Fixes a small BranchAnalysis bug

llvm-svn: 54274
 2008-08-02 19:42:36 +00:00
Bruno Cardoso Lopes
402c28e400 Apply the same pattern used in 'and' lowering for 'or' 
llvm-svn: 54273
 2008-08-02 19:37:33 +00:00
Duncan Sands
573c01d5da Fix comment typos. 
llvm-svn: 54266
 2008-08-01 12:23:49 +00:00
Bill Wendling
5aaf075b29 Removed unused parameters. 
llvm-svn: 54262
 2008-08-01 05:50:13 +00:00
Dale Johannesen
c1ae4b8c08 Make sse2 explicit, for non-x86 hosts. 
llvm-svn: 54251
 2008-07-31 20:16:33 +00:00
Bruno Cardoso Lopes
9cb1f636b4 Expand fcopysign 
llvm-svn: 54250
 2008-07-31 18:50:54 +00:00
Bruno Cardoso Lopes
01c39058e8 Handle more SELECT corner cases considering legalize types, probabily wont work with 
the default legalizer.

llvm-svn: 54249
 2008-07-31 18:31:28 +00:00
Dale Johannesen
f669e7c14f Add a flag to disable jump table generation (all 
switches use the binary search algorithm) for
environments that don't support it.  PPC64 JIT
is such an environment; turn the flag on for that.

llvm-svn: 54248
 2008-07-31 18:13:12 +00:00
Dan Gohman
f691fc703d Improve dagcombining for sext-loads and sext-in-reg nodes. 
llvm-svn: 54239
 2008-07-31 00:50:31 +00:00
Bruno Cardoso Lopes
9181910033 Added pattern for floating point zero immediate (avoiding a constant pool 
access).
Added pattern to match bitconvert node.
Fixed MTC1 asm string bug.

llvm-svn: 54229
 2008-07-30 19:00:31 +00:00
Dan Gohman
926a91d664 Move SelectionDAG::viewGraph() out of line; as an inline function 
it isn't always visible to gdb.

llvm-svn: 54228
 2008-07-30 18:48:53 +00:00
Dan Gohman
4ca56a8993 Don't look for leaf values to store when lowering stores of 
empty structs. This fixes PR2612.

llvm-svn: 54226
 2008-07-30 18:36:51 +00:00
Owen Anderson
4e5db8d80f Use existing LiveInterval methods to simplify live interval merging. Thanks to Evan for pointing these out. 
llvm-svn: 54225
 2008-07-30 18:27:35 +00:00
Dan Gohman
6f3fa16fd9 I missed this file in r54223. movzbl is now used instead 
of movzbw here.

llvm-svn: 54224
 2008-07-30 18:23:34 +00:00
Dan Gohman
efb5d2ce6e Reapply r54147 with a constraint to only use the 8-bit 
subreg form on x86-64, to avoid the problem with x86-32
having GPRs that don't have 8-bit subregs.

Also, change several 16-bit instructions to use 
equivalent 32-bit instructions. These have a smaller
encoding and avoid partial-register updates.

llvm-svn: 54223
 2008-07-30 18:09:17 +00:00
Owen Anderson
e6dca3efcb Value numbers whose def index is a special sentinel value should not be remapped. 
llvm-svn: 54218
 2008-07-30 17:42:47 +00:00
Bruno Cardoso Lopes
df5916fff6 Fixed bug in global address lowering for functions and in Brcond lowering 
llvm-svn: 54215
 2008-07-30 17:06:13 +00:00
Bruno Cardoso Lopes
e130052d1d Removed small section flag for mips, the assembler doesnt support this flag 
llvm-svn: 54214
 2008-07-30 17:04:04 +00:00
Bruno Cardoso Lopes
f2a6400d3e Added new features to represent specific instructions groups 
llvm-svn: 54213
 2008-07-30 17:01:06 +00:00
Bruno Cardoso Lopes
53fdaf7763 Instruction definition cleanup 
llvm-svn: 54212
 2008-07-30 16:58:59 +00:00
Matthijs Kooijman
782943a0ec Document BasicBlock::Create. 
llvm-svn: 54210
 2008-07-30 12:53:14 +00:00
Matthijs Kooijman
a337c8e1a1 Not that using stream headers other than iostream is allowed. 
llvm-svn: 54209
 2008-07-30 12:14:10 +00:00
Mon P Wang
fb483982f5 Added support for overloading intrinsics (atomics) based on pointers 
to different address spaces.  This alters the naming scheme for those
intrinsics, e.g., atomic.load.add.i32 => atomic.load.add.i32.p0i32

llvm-svn: 54195
 2008-07-30 04:36:53 +00:00
Eli Friedman
a750724150 Another SCEV issue from PR2607; essentially the same issue, but this 
time applying to the implicit comparison in smin expressions. The 
correct way to transform an inequality into the opposite 
inequality, either signed or unsigned, is with a not expression.

I looked through the SCEV code, and I don't think there are any more 
occurrences of this issue.

llvm-svn: 54194
 2008-07-30 04:36:32 +00:00
Owen Anderson
377ad6cb31 More fixes for corner cases when remapping live range indices. 
llvm-svn: 54186
 2008-07-30 00:22:56 +00:00
Owen Anderson
6147af0f8c When merging live intervals, we also need to merge in any live ranges that are inputs to two-address instructions 
that themselves define a range we already care about.

llvm-svn: 54185
 2008-07-30 00:21:16 +00:00
Eli Friedman
81169f2e1b Fix for PR2607: SCEV miscomputing the loop count for loops with an 
SGT exit condition.  Essentially, the correct way to flip an inequality 
in 2's complement is the not operator, not the negation operator.  
That said, the difference only affects cases involving INT_MIN.

Also, enhance the pre-test search logic to be a bit smarter about 
inequalities flipped with a not operator, so it can eliminate the smax 
from the iteration count for simple loops.

llvm-svn: 54184
 2008-07-30 00:04:08 +00:00
Owen Anderson
ab575176fc When merging a PHI operand's live interval into the PHI's live interval, we need to merge over all liveranges in 
the operand's interval that share the relevant value number, not just the range that immediately precedes the PHI.

llvm-svn: 54174
 2008-07-29 21:17:08 +00:00
Owen Anderson
bebb8e5d20 Don't decrement the BB remap when we don't need to. 
llvm-svn: 54173
 2008-07-29 21:15:44 +00:00
Duncan Sands
c3d73fbfc0 Fix PR2609. If a label is deleted, then it needs 
to be marked invalid regardless of whether it is
a debug, an exception handling or (hopefully) a
GC label.

llvm-svn: 54172
 2008-07-29 20:56:02 +00:00
Bruno Cardoso Lopes
2188281cd4 Changed some methods order. 
llvm-svn: 54169
 2008-07-29 19:29:50 +00:00
Nate Begeman
f76a814673 Fix broken CellSPU lowering, re-instate braces in Legalize 
llvm-svn: 54168
 2008-07-29 19:07:27 +00:00
Bruno Cardoso Lopes
9d91fab260 Added floating point lowering for select. 
llvm-svn: 54167
 2008-07-29 19:05:28 +00:00
Duncan Sands
282f4a39f4 Set the executable bit - means it can actually 
be run when installing on sparc sun.  Set the
mime type to text/x-sh while there.

llvm-svn: 54165
 2008-07-29 18:31:42 +00:00
Nate Begeman
20b060cd54 Disable a fix in the previous patch, since it breaks CellSPU. 
The CellSPU codegen is broken, but needs to be fixed before we can
put this back in.

llvm-svn: 54164
 2008-07-29 18:28:31 +00:00
Nate Begeman
9a71580e21 Add vector shifts to the IR, patch by Eli Friedman. 
CodeGen & Clang work coming next.

llvm-svn: 54161
 2008-07-29 15:49:41 +00:00
Matthijs Kooijman
7199907f50 Add -unroll-allow-partial command line option that enabled the loop unroller to 
partially unroll a loop when fully unrolling would not fit under the threshold.

Patch by Mikael Lepistö.

llvm-svn: 54160
 2008-07-29 13:21:23 +00:00
Matthijs Kooijman
77948dbbc2 Restructure ArgumentPromotion a bit. Instead of just having a single boolean 
that says "unconditional loads from this argument are safe", we now keep track
of the safety per set of indices from which loads happen. This prevents
ArgPromotion from promoting loads that aren't really valid. As an added effect,
this will now disregard the the type of the indices passed to a GEP, so
"load GEP %A, i32 1" and "load GEP %A, i64 1" will result in a single argument,
not two.

This fixes PR2598, for which a testcase has been added as well.

llvm-svn: 54159
 2008-07-29 10:00:13 +00:00
Matthijs Kooijman
1424ba7e0a Improve bugpoint output a bit by outputting the actual instructions instead of 
just it's name, which is often empty. Also remove a newline from the output
that wasn't really needed.

llvm-svn: 54158
 2008-07-29 08:55:30 +00:00
Matthijs Kooijman
6ef5a25c7f Add a GetElementPtrInst::getIndexedType that accepts uint64_t's instead of just Value*'s. 
llvm-svn: 54157
 2008-07-29 08:46:11 +00:00
Evan Cheng
10d4254f45 Fix for PR2578. Do not split off a block whose size is less than FreeRangeHeader::getMinBlockSize(). Patch by Damien. 
llvm-svn: 54152
 2008-07-29 07:38:32 +00:00
Dan Gohman
ebe629a4b2 Revert 54147. 
llvm-svn: 54148
 2008-07-29 01:02:18 +00:00
Dan Gohman
1816900fd1 Add x86 isel patterns to match what would be a ZERO_EXTEND_INREG operation, 
which is represented in codegen as an 'and' operation. This matches them
with movz instructions, instead of leaving them to be matched by and
instructions with an immediate field.

llvm-svn: 54147
 2008-07-28 22:18:25 +00:00