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165 Commits

Author SHA1 Message Date
Eric Christopher 7b92c2a9a0 Revert r116220 - thus turning arm fast isel back on by default. 
llvm-svn: 116762
 2010-10-18 22:53:53 +00:00
Eric Christopher 167a700229 Remove the check for invalid calling conventions. Testing shows that they're 
working just fine.

llvm-svn: 116698
 2010-10-18 06:49:12 +00:00
Eric Christopher c103c668ce Lift arg promotion from the X86 backend. This should be unified at some point. 
llvm-svn: 116694
 2010-10-18 02:17:53 +00:00
Eric Christopher a8a9f3c52b Now that we handle all allocas via a non-SP reg offset remove all of the 
special case handling for ARM::SP.

llvm-svn: 116688
 2010-10-17 11:08:44 +00:00
Eric Christopher 730764da62 Allow more load types to be materialized through the allocas. 
llvm-svn: 116683
 2010-10-17 06:07:26 +00:00
Eric Christopher d265b3fcfe Optimize GEP off of intermediate allocas. 
llvm-svn: 116681
 2010-10-17 01:51:42 +00:00
Eric Christopher a0b9c2e9c0 Fix comment. 
llvm-svn: 116680
 2010-10-17 01:42:53 +00:00
Eric Christopher abc3a9d34b Turn on AddOperator folding in GEP. 
llvm-svn: 116679
 2010-10-17 01:41:46 +00:00
Eric Christopher 947e422c46 Use the i12 immediate versions of the load instructions - they're handled 
more in the post-passes.

llvm-svn: 116678
 2010-10-17 01:40:27 +00:00
Eric Christopher c918d550b6 Fix some funky formatting that got through. 
llvm-svn: 116653
 2010-10-16 01:10:35 +00:00
Eric Christopher f410acbbd5 Make sure offset is 0 for load/store register to the stack call. 
llvm-svn: 116640
 2010-10-15 23:07:10 +00:00
Eric Christopher a3e64c1791 Fix else if -> if in store machinery. 
llvm-svn: 116628
 2010-10-15 22:32:37 +00:00
Eric Christopher a9b3901b47 Refactor ARM fast-isel reg + offset to be a base + offset. 
llvm-svn: 116622
 2010-10-15 21:32:12 +00:00
Eric Christopher e4b3d6b379 Expand GEP handling for constant offsets. 
llvm-svn: 116594
 2010-10-15 18:02:07 +00:00
Eric Christopher 21d0c173f4 Handle more complex GEP based loads and add a few TODOs to deal with 
GEP + alloca.

llvm-svn: 116474
 2010-10-14 09:29:41 +00:00
Jim Grosbach 340cd5174b A few 80 column fixes. 
llvm-svn: 116451
 2010-10-13 23:34:31 +00:00
Eric Christopher ef83e21b57 Update comment. 
llvm-svn: 116438
 2010-10-13 21:41:51 +00:00
Eric Christopher dd0821e7ff Start handling more global variables. 
llvm-svn: 116401
 2010-10-13 09:11:46 +00:00
Eric Christopher 22e051eef0 Fix thinko in arm fast isel alloca rewrite. 
llvm-svn: 116339
 2010-10-12 21:23:43 +00:00
Eric Christopher 7cd5cda6bb Rework alloca handling so that we can load or store from casted 
address that we've looked through.

Fixes compilation problems in tramp3d from earlier patch.

llvm-svn: 116296
 2010-10-12 05:39:06 +00:00
Eric Christopher db3bcc9910 Handle a wider arrangement of loads. 
llvm-svn: 116284
 2010-10-12 00:43:21 +00:00
Eric Christopher d42340ecfd Use a sane mechanism for that assert. 
llvm-svn: 116249
 2010-10-11 22:01:22 +00:00
Eric Christopher 72b91c1765 We're not going to handle dynamic allocas anywhere else. 
llvm-svn: 116240
 2010-10-11 21:37:35 +00:00
Eric Christopher 71ef1af66b Make sure that the call stack adjustments have default operands. Also 
leave custom lowerings for later.

Fixes some nightly tests.

llvm-svn: 116232
 2010-10-11 21:20:02 +00:00
Eric Christopher e2a0b6841a Found a bug turning this on by default. Disable again for now. 
llvm-svn: 116220
 2010-10-11 20:26:21 +00:00
Eric Christopher 46cc854e5e Fix help text. 
llvm-svn: 116218
 2010-10-11 20:15:02 +00:00
Eric Christopher 5501b7e805 Change flag from Enable to Disable since we're enabled by default. 
Also don't use fast-isel on non-darwin since it's untested.

llvm-svn: 116217
 2010-10-11 20:05:22 +00:00
Eric Christopher 2276e87a65 Turn on arm fast isel by default. 
llvm-svn: 116212
 2010-10-11 18:48:18 +00:00
Eric Christopher e1bcb43bb9 Copy and pasteo. 
llvm-svn: 116198
 2010-10-11 08:40:05 +00:00
Eric Christopher 7ac602bc8e Whitespace cleanup in ARM fast isel. 
llvm-svn: 116197
 2010-10-11 08:38:55 +00:00
Eric Christopher eae1b38550 Add srem libcall support to ARM fast isel. 
llvm-svn: 116196
 2010-10-11 08:37:26 +00:00
Eric Christopher e11017c19e Add i8 sdiv support for ARM fast isel. 
llvm-svn: 116195
 2010-10-11 08:31:54 +00:00
Eric Christopher 511aa31965 Implement select handling for ARM fast-isel. 
llvm-svn: 116194
 2010-10-11 08:27:59 +00:00
Eric Christopher 548587c31c Fix the store part of this as well. Fixes smg2000. 
llvm-svn: 116123
 2010-10-08 23:52:16 +00:00
Eric Christopher 15bc2438d9 Move to thumb2 loads, fixes a problem with incoming registers 
as thumb1.

Fixes lencod.

llvm-svn: 116027
 2010-10-08 01:13:17 +00:00
Eric Christopher 3e1e447ca2 Remember to promote load/store types for stack to register size. 
llvm-svn: 115984
 2010-10-07 21:40:18 +00:00
Eric Christopher a2583ea9f2 Use the correct register class for load instructions - fixes 
compilation of MultiSource/Benchmarks/Bullet.

llvm-svn: 115907
 2010-10-07 05:50:44 +00:00
Eric Christopher 76a9752d45 Use the correct register class here. 
llvm-svn: 115906
 2010-10-07 05:39:19 +00:00
Eric Christopher a98be90efe Use the thumb2 conditional move instruction. 
llvm-svn: 115905
 2010-10-07 05:31:49 +00:00
Eric Christopher 6d74673366 Remove in-progress assertion, add TODO. 
llvm-svn: 115904
 2010-10-07 05:14:08 +00:00
Eric Christopher b9f2d50d5f Comment out fastisel debugging message. 
llvm-svn: 115717
 2010-10-05 23:50:58 +00:00
Eric Christopher 8cfc459274 Random cleanup and make the intermediate register in fptosi a 
32-bit fp reg, not 64-bit.

Fixes SingleSource.

llvm-svn: 115711
 2010-10-05 23:13:24 +00:00
Eric Christopher 7787f79f21 Start on lowering global addresses. 
llvm-svn: 115390
 2010-10-02 00:32:44 +00:00
Eric Christopher 83a5ec8fe0 Stub out constant GV handling, fixes C++ eh tests. 
llvm-svn: 115375
 2010-10-01 23:24:42 +00:00
Eric Christopher 9d0136274b Direct calls only for arm fast isel for now. 
llvm-svn: 115350
 2010-10-01 21:33:12 +00:00
Eric Christopher 6080da7a79 Fix thinko on store instructions. Fixes test_indvars failure. 
llvm-svn: 115342
 2010-10-01 20:46:04 +00:00
Eric Christopher c1e209d40e Implement double return values in calls. Fixes 
SingleSource/Regression/C/casts.c.

llvm-svn: 115246
 2010-10-01 00:00:11 +00:00
Eric Christopher 56094ff402 Movement and cleanup. 
llvm-svn: 115225
 2010-09-30 22:34:19 +00:00
Eric Christopher 78f8d4eaf0 Start of generalized call support for ARM fast isel. 
llvm-svn: 115203
 2010-09-30 20:49:44 +00:00
Eric Christopher 7939806ecc Refactor arm fast isel libcall handling so that pieces can be used 
for generic call handling.

llvm-svn: 115105
 2010-09-29 23:11:09 +00:00
Eric Christopher b024be3162 Add a convenience variable so I'm not chasing all over looking for 
a context.

llvm-svn: 115094
 2010-09-29 22:24:45 +00:00
Eric Christopher 3a7e8cd6bd Rework comparison handling to set a register on true/false. This avoids 
problems with phi-nodes in blocks that have hard and not virtual registers.

Accordingly update branch handling to compensate.

llvm-svn: 115013
 2010-09-29 01:14:47 +00:00
Eric Christopher edd4b600f3 Remove unnecessary set ahead of time. 
llvm-svn: 115011
 2010-09-29 00:50:57 +00:00
Eric Christopher 2c8e7f421c Remove assert, add comment. 
llvm-svn: 115009
 2010-09-29 00:49:09 +00:00
Eric Christopher a86a6d2fed 32-bit constant ints only for now. 
llvm-svn: 115001
 2010-09-28 22:47:54 +00:00
Eric Christopher 953b1afd5f Integer materialization needed the same thinko change. 
llvm-svn: 114994
 2010-09-28 21:55:34 +00:00
Eric Christopher 7990df1ae2 Rework builtin handling and call setup. The builtin handling 
now takes a libcall operand, sets up the arguments correctly and
handles stack adjustments.

llvm-svn: 114934
 2010-09-28 01:21:42 +00:00
Eric Christopher 6f98bfd870 Fix fp constant loads to have a destination register. 
llvm-svn: 114930
 2010-09-28 00:35:09 +00:00
Eric Christopher 0720611e3a Insert missing coherency in comment. Add a quick check for hardware 
divide support also.

llvm-svn: 114813
 2010-09-27 06:08:12 +00:00
Eric Christopher 29ab6d1f82 Mass rename for Jim. 
llvm-svn: 114812
 2010-09-27 06:02:23 +00:00
Eric Christopher a6ba082cb6 Thumb opcodes for thumb calls. 
llvm-svn: 114263
 2010-09-18 02:32:38 +00:00
Eric Christopher aef6499bf1 Add addrmode5 fp load support. Swap float/thumb operand adding to handle 
thumb with floating point.

llvm-svn: 114256
 2010-09-18 01:59:37 +00:00
Eric Christopher 30f2300ed2 Floating point stores have a 3rd addressing mode type. 
llvm-svn: 114254
 2010-09-18 01:23:38 +00:00
Eric Christopher 2ccc1aa696 Rework arm fast isel branch and compare code. 
llvm-svn: 114226
 2010-09-17 22:28:18 +00:00
Eric Christopher 8b9126694d Emit libcalls for SDIV, this requires some call infrastructure 
that needs to be shared a bit more widely around.

llvm-svn: 113886
 2010-09-14 23:03:37 +00:00
Eric Christopher 72497e5d90 Start sketching out ARM fast-isel calls. 
llvm-svn: 113662
 2010-09-10 23:18:12 +00:00
Eric Christopher cc766a20d3 For consistency. 
llvm-svn: 113659
 2010-09-10 23:10:30 +00:00
Eric Christopher 712bd0a604 Fix build error. 
llvm-svn: 113566
 2010-09-10 00:35:09 +00:00
Eric Christopher 860fc9370f Update comments, reorganize some code, rename variables to be 
more clear.  No functional change.

llvm-svn: 113565
 2010-09-10 00:34:35 +00:00
Eric Christopher 22fd29a94a 64-bit fp loads can come straight out of the constant pool, not as 
bad as I'd thought.

llvm-svn: 113561
 2010-09-09 23:50:00 +00:00
Eric Christopher 4bd7047324 SIToFP and FPToSI conversions work only on fp-reg to fp-reg. Move 
some data around and implement a couple of move routines to do this.

llvm-svn: 113546
 2010-09-09 21:44:45 +00:00
Eric Christopher 2cbe0fd956 New "move to fp reg" routine. Use it. 
llvm-svn: 113537
 2010-09-09 20:49:25 +00:00
Eric Christopher 82b05d7206 "Strike that, reverse it." -- Mr. Wonka. 
Truncate when truncating, extend when extending.

llvm-svn: 113536
 2010-09-09 20:36:19 +00:00
Eric Christopher 5903c0be2a Add FPTrunc, fix some bugs where I forgot to update the value map. 
llvm-svn: 113533
 2010-09-09 20:26:31 +00:00
Eric Christopher 6e3eeba4d9 Basic FP->Int, Int->FP conversions. 
llvm-svn: 113523
 2010-09-09 18:54:59 +00:00
Eric Christopher 2ff757d422 Nuke whitespace and fix some indenting. 
llvm-svn: 113463
 2010-09-09 01:06:51 +00:00
Eric Christopher bd3d121641 Handle 64-bit floating point binops as well. 
llvm-svn: 113461
 2010-09-09 01:02:03 +00:00
Eric Christopher 24dc27f73a Basic 32-bit FP operations. 
llvm-svn: 113459
 2010-09-09 00:53:57 +00:00
Eric Christopher f14b9bf98d Handle float->double extension. 
llvm-svn: 113455
 2010-09-09 00:26:48 +00:00
Eric Christopher 3cf63f1edd Rewrite TargetMaterializeConstant splitting it out into two functions 
for integer and fp constants. Implement todo to use vfp3 instructions
to materialize easy constants if we can.

llvm-svn: 113453
 2010-09-09 00:19:41 +00:00
Eric Christopher c3e9c404aa Very basic compare support. 
llvm-svn: 113440
 2010-09-08 23:13:45 +00:00
Eric Christopher 5838af54bf Delete dead code. 
llvm-svn: 113436
 2010-09-08 22:58:35 +00:00
Eric Christopher 6489df7c8c Make the loads/stores match the type we really want to store. 
llvm-svn: 113417
 2010-09-08 21:49:50 +00:00
Eric Christopher f5dd1929a2 Rewrite TargetMaterializeConstant. 
llvm-svn: 113387
 2010-09-08 18:56:34 +00:00
Eric Christopher 6aaed72949 Simple branch instruction support. 
llvm-svn: 112923
 2010-09-03 00:35:47 +00:00
Eric Christopher c3e118ef3d Add basic support for materializing constants (including fp) and 
stores.

llvm-svn: 112912
 2010-09-02 23:43:26 +00:00
Eric Christopher 2020d69800 Clang's -ccc-host-triple was ignoring the arch specifier on my triple, 
I don't need to implement this quite yet - and not for ConstantInt anyhow.

llvm-svn: 112798
 2010-09-02 02:30:46 +00:00
Eric Christopher 92db201e23 This should be TargetMaterializeConstant instead. 
llvm-svn: 112795
 2010-09-02 01:48:11 +00:00
Eric Christopher 6a0333c1ed One definition of isThumb is plenty, thanks. 
llvm-svn: 112793
 2010-09-02 01:39:14 +00:00
Eric Christopher 74487fcbe7 Rework arm fast-isel load and store handling. Move offset computation 
into the "address selection" routine and handle constant materialization
for stores.

llvm-svn: 112788
 2010-09-02 00:53:56 +00:00
Eric Christopher fde5a3d494 Some basic store support. 
llvm-svn: 112752
 2010-09-01 22:16:27 +00:00
Eric Christopher 3ce9c4a65f Add some more load types in. 
llvm-svn: 112721
 2010-09-01 18:01:32 +00:00
Eric Christopher 901176a755 Rewrite slightly so we can expand for floating point types easier. 
llvm-svn: 112568
 2010-08-31 01:28:42 +00:00
Eric Christopher bbd1098989 If we have an unhandled type then assert, we shouldn't get here for 
things we can't handle.

llvm-svn: 112559
 2010-08-30 23:48:26 +00:00
Eric Christopher 7a0d8c69cb Do type checks before we bother to do everything else. 
llvm-svn: 112039
 2010-08-25 08:43:57 +00:00
Eric Christopher 761e7fb605 Reorganize load mechanisms. Handle types in a little less fixed way. 
Fix some todos.  No functional change.

llvm-svn: 112031
 2010-08-25 07:23:49 +00:00
Eric Christopher 15b182f4d4 Fix predicate and add a comment. 
llvm-svn: 111981
 2010-08-24 22:34:11 +00:00
Eric Christopher 236ec8f3b5 Rework braindead conditionals I put in yesterday. 
llvm-svn: 111974
 2010-08-24 22:07:27 +00:00
Eric Christopher 6c99ebf5b0 Fix thumb2 mode loads to have the correct operand ordering. Add a todo 
to fix this in the port.

llvm-svn: 111973
 2010-08-24 22:03:02 +00:00
Eric Christopher 46d3a56e5d Update comment. 
llvm-svn: 111887
 2010-08-24 01:10:52 +00:00