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128 Commits

Author SHA1 Message Date
Evan Cheng
59fbc80f6b Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:26:59 +00:00
Evan Cheng
debdea0a66 Handle calls which produce i1 results: promote to i8 but and it with 1 to get the low bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55925 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 17:15:42 +00:00
Dan Gohman
863890e2fa Fix copy+pastos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55918 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:31:35 +00:00
Evan Cheng
24e3a90904 Add support to extend call operands when needed. Enable x86 fastisel call support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55891 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 06:35:17 +00:00
Evan Cheng
f3d4efe30c Initial fastisel call support for C, Fast, and X86_FastCall calling conventions. It's meant to handle "simple" calls, i.e. no byval, structret, etc. It doesn't support multi-result returns either. 
Not yet turned on, it needs to support sext / zext of arguments and result.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55882 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:09:33 +00:00
Evan Cheng
10a8d9c737 Handle x86 truncate to i8 with target hook for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 08:47:42 +00:00
Owen Anderson
3b217c6f5c Fix constant pool loads, and remove broken versions of addConstantPoolReference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55868 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-06 01:11:01 +00:00
Dan Gohman
f58cb6d224 Fix X86FastISel's shift and select code to reject illegal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:27:34 +00:00
Dan Gohman
31d26912cc Fix the opcodes used by X86FastISel for shifts and conditional moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55855 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:13:04 +00:00
Evan Cheng
0de588fd89 Factor out code that emits load and store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55854 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:00:03 +00:00
Owen Anderson
9c7216f984 Rename method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55853 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 20:49:33 +00:00
Dan Gohman
c39f4dba1c X86FastISel support for shifts and conditional moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55844 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:30:08 +00:00
Dan Gohman
4f22bb0676 Check a comparion's operand type for legality before 
expanding its operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55820 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:33:56 +00:00
Dan Gohman
f52550b50e Fix X86FastISel code for comparisons and conditional branches 
to check the result of getRegForValue before using it, and
to check for illegal operand types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55819 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:15:35 +00:00
Dan Gohman
d89ae99ec8 X86FastISel support for conditional branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55816 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:06:14 +00:00
Owen Anderson
95267a1e67 Add initial support for selecting constant materializations that require constant 
pool loads on X86 in fast isel.  This isn't actually used yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 00:06:23 +00:00
Dan Gohman
6e3f05f5ce X86FastISel support for ICmpInst and FCmpInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55811 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 23:26:51 +00:00
Owen Anderson
79924eb6f5 Fix the ordering of operands to the store (inverted relative to LLVM IR), and fix the testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55777 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 16:48:33 +00:00
Owen Anderson
a3971dfbfe Add a first attempt at implementing stores for X86 fast isel using target hooks. 
Dan or Evan, please review.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 07:08:58 +00:00
Evan Cheng
373d50af1d Load from GV stub should be locally CSE'd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55763 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 06:18:33 +00:00
Dan Gohman
3df24e667f Create HandlePHINodesInSuccessorBlocksFast, a version of 
HandlePHINodesInSuccessorBlocks that works FastISel-style. This
allows PHI nodes to be updated correctly while using FastISel.

This also involves some code reorganization; ValueMap and
MBBMap are now members of the FastISel class, so they needn't
be passed around explicitly anymore. Also, SelectInstructions
is changed to SelectInstruction, and only does one instruction
at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 23:12:08 +00:00
Evan Cheng
8b19e56051 Add X86 target hook to implement load (even from GlobalAddress). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55693 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 06:44:39 +00:00
Evan Cheng
88e3041ca6 Unbreak fast isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55685 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 01:04:47 +00:00
Evan Cheng
c3f44b0d63 Let tblgen only generate fastisel routines, not the class definition. This makes it easier for targets to define its own fastisel class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55679 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 00:03:49 +00:00
Owen Anderson
667d8f7607 Add initial support for fast isel of instructions that have inputs pinned to physical registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:45:56 +00:00
Dan Gohman
99b218218c Add a target callback for FastISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:21:34 +00:00
Dan Gohman
22bb31103d Factor out the predicate check code from DAGISelEmitter.cpp 
and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55156 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 00:20:26 +00:00
Dan Gohman
1adf1b03af Instantiate FastISel for X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55011 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-19 21:45:35 +00:00