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d042dac8ab
Commit Graph

503 Commits

Author SHA1 Message Date
Evan Cheng
d042dac8ab - Add getOperandConstraint() to TargetInstrDescriptor. 
- convertToThreeAddress() change to allow single two-address MI to be converted
  into one or more 3-address MIs.

llvm-svn: 32094
 2006-12-01 21:46:55 +00:00
Evan Cheng
c5ad9caeff Add weak reference directive. 
llvm-svn: 32091
 2006-12-01 20:47:11 +00:00
Chris Lattner
d00734a230 add a hook to allow targets to hack on inline asms to lower them to llvm 
when they want to.

llvm-svn: 31997
 2006-11-29 01:12:32 +00:00
Andrew Lenharth
c51f451af5 Add per-target support for asm translation in the cbe 
llvm-svn: 31972
 2006-11-28 19:52:20 +00:00
Evan Cheng
6f5962e79f Add opcode to TargetInstrDescriptor. 
llvm-svn: 31802
 2006-11-17 01:36:01 +00:00
Evan Cheng
c050bb298f Add a mechanism to specify whether a target supports a particular indexed load / store. 
llvm-svn: 31597
 2006-11-09 18:56:43 +00:00
Evan Cheng
89ee587963 Rename ISD::MemOpAddrMode to ISD::MemIndexedMode 
llvm-svn: 31595
 2006-11-09 17:55:04 +00:00
Evan Cheng
6b7d127df9 getPostIndexedAddressParts change: passes in load/store instead of its loaded / stored VT. 
llvm-svn: 31584
 2006-11-09 04:29:46 +00:00
Evan Cheng
8743c67826 Remove M_2_ADDR_FLAG. 
llvm-svn: 31583
 2006-11-09 02:22:54 +00:00
Evan Cheng
db0add3bcb Added target hook for post-indexed memory ops transformation. 
llvm-svn: 31499
 2006-11-07 09:04:16 +00:00
Chris Lattner
b6be2b873f Add a new operand flag to mark which operand is the first predicate operand 
of an M_PREDICATED instruction.

llvm-svn: 31482
 2006-11-06 23:53:08 +00:00
Chris Lattner
d7138e5f2d add a flag so that predicated instructions can be recognized by branch 
folding

llvm-svn: 31479
 2006-11-06 21:44:17 +00:00
Evan Cheng
466e20fca2 Rename 
llvm-svn: 31413
 2006-11-03 07:21:16 +00:00
Evan Cheng
9ebbced355 Added a target specific hook to check whether / how a node can be transformed 
into a pair of base / offset nodes for pre-indexed load / store ops.

llvm-svn: 31407
 2006-11-03 03:04:06 +00:00
Chris Lattner
4cb79a5f9d generalize this api 
llvm-svn: 31365
 2006-11-02 01:39:10 +00:00
Evan Cheng
1da5ee8485 Rename 
llvm-svn: 31364
 2006-11-01 23:18:32 +00:00
Evan Cheng
b1ac9f6c12 Added getTiedToSrcOperand() to check for two-address'ness. 
llvm-svn: 31360
 2006-11-01 23:00:31 +00:00
Evan Cheng
c566892bd5 Add operand constraints to TargetInstrInfo. 
llvm-svn: 31333
 2006-11-01 00:27:05 +00:00
Chris Lattner
d9afd310a6 Change the prototype for TargetLowering::isOperandValidForConstraint 
llvm-svn: 31318
 2006-10-31 19:40:43 +00:00
Reid Spencer
e01994f8b1 Don't mislead readers by claiming a variable is defaulted to false when 
the default is actually true.

llvm-svn: 31300
 2006-10-30 22:46:49 +00:00
Reid Spencer
db06ed9156 Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4 
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.

llvm-svn: 31299
 2006-10-30 22:32:30 +00:00
Chris Lattner
dcfee77788 add another target hook for branch folding. 
llvm-svn: 31262
 2006-10-28 17:29:57 +00:00
Evan Cheng
5963dcb6e8 Added CStringSection. 
llvm-svn: 31202
 2006-10-26 19:16:20 +00:00
Devang Patel
cb480ce29c TargetData is not subclassed. So no need to have virtual method. 
llvm-svn: 31173
 2006-10-24 20:48:29 +00:00
Devang Patel
0691019e12 Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Chris Lattner
bc4f0e8b56 update comment 
llvm-svn: 31165
 2006-10-24 17:41:22 +00:00
Rafael Espindola
b35e4b16ae fix assert comment 
llvm-svn: 31154
 2006-10-24 14:47:28 +00:00
Chris Lattner
7353b07275 expose DWARF_LABEL opcode# so the branch folder can update debug info properly. 
llvm-svn: 31024
 2006-10-17 22:41:45 +00:00
Chris Lattner
ea84388ac0 update comment 
llvm-svn: 31023
 2006-10-17 22:12:15 +00:00
Evan Cheng
fe5bb5dbe6 Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
llvm-svn: 30945
 2006-10-13 21:14:26 +00:00
Chris Lattner
b441d8e8ce it is easier to implement these when they are virtual 
llvm-svn: 30944
 2006-10-13 21:02:27 +00:00
Chris Lattner
520bf168f5 allow branch reversal to fail 
llvm-svn: 30943
 2006-10-13 20:59:31 +00:00
Chris Lattner
f8eaaded24 replace the existing branch inspection/modification APIs with something more 
useful and general.

llvm-svn: 30940
 2006-10-13 20:44:01 +00:00
Chris Lattner
63ec35db20 Expose method and ivars for measuring inline asm length properly. 
llvm-svn: 30934
 2006-10-13 17:50:07 +00:00
Evan Cheng
967d6af1d2 Merging ISD::LOAD and ISD::LOADX. Added LoadSDNode to represent load nodes. 
Chain and address ptr remains as operands. SrcValue, extending mode, extending
VT (or rather loaded VT before extension) are now instance variables of
LoadSDNode.

Introduce load / store addressing modes to represent pre- and post-indexed
load and store. Also added an additional operand offset that is only used in
post-indexed mode (i.e. base ptr += offset after load/store).

Added alignment info (not yet used) and isVolatile fields.

llvm-svn: 30843
 2006-10-09 20:55:20 +00:00
Chris Lattner
77545e4a28 Add support for targets to declare that they use a GOT 
llvm-svn: 30777
 2006-10-06 22:46:34 +00:00
Chris Lattner
94d1cfd32d remove JumpTableTextSection 
llvm-svn: 30746
 2006-10-05 03:14:23 +00:00
Chris Lattner
da8321b52e move getSectionForFunction to AsmPrinter. 
llvm-svn: 30734
 2006-10-05 02:41:43 +00:00
Chris Lattner
6ba6d0e937 Give TargetAsmInfo a virtual dtor, add a new getSectionForFunction method. 
llvm-svn: 30732
 2006-10-05 00:35:16 +00:00
Evan Cheng
494e8e6971 Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.

llvm-svn: 30714
 2006-10-04 00:56:09 +00:00
Evan Cheng
51144ea51c - Added a hook processFunctionBeforeCalleeSaveScn(). This is called by PEI just 
before it determines which callee-save registers are to be spilled. This allows
the target to make changes such as forcing certain physical registers to be
spilled.
- Modified comments. It's important to note the order of registers in the array
returns by getCalleeSaveRegs() determines the order of callee save spill code.

llvm-svn: 30635
 2006-09-28 00:07:19 +00:00
Chris Lattner
167aa73273 Add support for targets that want to do something with the llvm.used list, 
because they have an aggressive linker that does dead code stripping.

llvm-svn: 30604
 2006-09-26 03:38:18 +00:00
Chris Lattner
bab51c66fc order this properly to avoid warnings in TargetAsmInfo.cpp. Add a comment 
in a format that matches every other ivars in this class.

llvm-svn: 30603
 2006-09-25 22:38:36 +00:00
Andrew Lenharth
58f5a24f0c Add support for other relocation bases to jump tables, as well as custom asm directives 
llvm-svn: 30593
 2006-09-24 19:45:58 +00:00
Jim Laskey
160a8aa339 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.

llvm-svn: 30169
 2006-09-07 23:39:26 +00:00
Jim Laskey
9da25f6119 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey
b3cfa98236 Separate target specifc asm properties from asm printers. 
llvm-svn: 30127
 2006-09-06 18:35:33 +00:00
Duraid Madina
51396ffd3e add setJumpBufSize() and setJumpBufAlignment() to target-lowering. 
Call these from your backend to enjoy setjmp/longjmp goodness, see
lib/Target/IA64/IA64ISelLowering.cpp for an example

llvm-svn: 30095
 2006-09-04 06:21:35 +00:00
Chris Lattner
33c9ddc91d Completely rearchitect the interface between targets and the pass manager. 
This pass:

1. Splits TargetMachine into TargetMachine (generic targets, can be implemented
any way, like the CBE) and LLVMTargetMachine (subclass of TM that is used by
things using libcodegen and other support).
2. Instead of having each target fully populate the passmgr for file or JIT
   output, move all this to common code, and give targets hooks they can
   implement.
3. Commonalize the target population stuff between file emission and JIT
   emission.
4. All (native code) codegen stuff now happens in a FunctionPassManager, which
   paves the way for "fast -O0" stuff in the CFE later, and now LLC could
   lazily stream .bc files from disk to use less memory.
5. There are now many fewer #includes and the targets don't depend on the
   scalar xforms or libanalysis anymore (but codegen does).
6. Changing common code generator pass ordering stuff no longer requires
   touching all targets.
7. The JIT now has the option of "-fast" codegen or normal optimized codegen,
   which is now orthogonal to the fact that JIT'ing is being done.

llvm-svn: 30081
 2006-09-04 04:14:57 +00:00
Chris Lattner
2024543fb2 Eliminate target name. 
llvm-svn: 30071
 2006-09-03 18:44:26 +00:00