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2616 Commits

Author SHA1 Message Date
Vikram S. Adve
a9966ae8ad This file implements the function DemoteRegToStack(), which takes a 
virtual register computed by an Instruction& X and replaces it with
a slot in the stack frame, allocated via alloca.

llvm-svn: 4964
 2002-12-10 13:07:58 +00:00
Vikram S. Adve
849346ee23 This file implements a pass that automatically parallelizes a program, 
using the Cilk multi-threaded runtime system to execute parallel code.
The current version inserts too many sync() operations in the program
because it does not attempt to optimize their placement.

llvm-svn: 4962
 2002-12-10 00:43:34 +00:00
Vikram S. Adve
c9617fde54 Iterator that enumerates the ProgramDependenceGraph (PDG) for a function, 
i.e., enumerates all data and control dependences for the function.

llvm-svn: 4958
 2002-12-08 14:13:19 +00:00
Vikram S. Adve
90bc3110b6 An explicit representation of dependence graphs, and a pass that 
computes a dependence graph for data dependences on memory locations
using interprocedural Mod/Ref information.

llvm-svn: 4957
 2002-12-08 13:26:29 +00:00
Chris Lattner
883827db1c Namespacify more 
llvm-svn: 4956
 2002-12-08 06:01:34 +00:00
Chris Lattner
f525e2f95e Add support to count the number of dynamic instructions executed by LLI 
llvm-svn: 4955
 2002-12-08 05:51:08 +00:00
Chris Lattner
5f4d7d2801 Add total instruction, bb, & function counts 
llvm-svn: 4954
 2002-12-07 23:24:24 +00:00
Chris Lattner
fc15b7a661 Fix bug that was bugging bugpoint 
llvm-svn: 4953
 2002-12-07 21:27:16 +00:00
Chris Lattner
be53e88459 Remove dead code 
llvm-svn: 4952
 2002-12-07 18:42:13 +00:00
Vikram S. Adve
773fe59c79 Two bug fixes: 
(1) Make entries for Constant values in the ScalarMap.
(2) Set MOD bit for the node pointed to by the
    argument of a free instruction.

llvm-svn: 4948
 2002-12-06 21:17:10 +00:00
Vikram S. Adve
cb7daf77e8 Fix several related bugs in DSNode::mergeWith() caused by the 
fact that the incoming nodes may be merged away at intermediate
steps.  Use an extra level of indirection via DSNodeHandles
to track the nodes being merged.  All this now happens in a
static helper function MergeNodes().

llvm-svn: 4947
 2002-12-06 21:15:21 +00:00
Brian Gaeke
250d5a3e95 Implement a lot of cast functionality (no FP or 64) 
llvm-svn: 4944
 2002-12-06 10:49:33 +00:00
Chris Lattner
6c9d57c590 Fix bug: 2002-12-05-MissedConstProp.ll pointed out by Casey Carter 
llvm-svn: 4935
 2002-12-05 22:41:53 +00:00
Vikram S. Adve
ab3a68a7c3 Cute bug fix: when moving links from N to this, some links could have 
been missed if node *this got merged away due to recursive merging!
Also, links were not moved correctly if a node is collapsed.

llvm-svn: 4933
 2002-12-05 17:17:26 +00:00
Brian Gaeke
dbc34a2a95 Target/X86/Printer.cpp: Add sizePtr function, and use it instead of 
" <SIZE> PTR " string when emitting assembly.

Target/X86/X86InstrInfo.def: Tidy up a bit:
 Squashed everything down to 118 chars wide, wrapping lines so that
 comment is at the same point on each line. Rename "NoImpRegs" as
 "NoIR". (most instructions have NoImpRegs twice on a line, so this
 saves 10 columns).

 Also, annotate various instructions with flags for size of memory operand.
  (MemArg16, MemArg32, MemArg64, etc.)

Target/X86/X86InstrInfo.h: Define flags for size of memory operand.
 (MemArg16, MemArg32, MemArg64, etc.)

llvm-svn: 4932
 2002-12-05 08:30:40 +00:00
Misha Brukman
8f56246d62 Added code generation for function prologues and epilogues. 
llvm-svn: 4930
 2002-12-04 23:58:08 +00:00
Misha Brukman
7dc6877ce2 Implemented functions for emitting prologues and epilogues; 
removed EBP from the list of callee-saved registers (it isn't one).

llvm-svn: 4929
 2002-12-04 23:57:03 +00:00
Misha Brukman
e93c7f9d32 Added push and pop instructions. 
llvm-svn: 4928
 2002-12-04 23:56:26 +00:00
Chris Lattner
70aa4e41ce Fix handling of function calls that return void 
llvm-svn: 4925
 2002-12-04 23:50:28 +00:00
Chris Lattner
b71d7b4dab Implement initial support for return values from call instructions 
llvm-svn: 4924
 2002-12-04 23:45:28 +00:00
Misha Brukman
566bac5ec1 Fun arithmetic with iterators aimed at fixing a bug: inserting instructions 
after the *current* instruction while keeping the iterator in the same
'logical' place.

llvm-svn: 4923
 2002-12-04 19:24:45 +00:00
Misha Brukman
f8634130dc Adjust the stack pointer after a function call, proportional to the number of 
arguments pushed onto the stack.

llvm-svn: 4922
 2002-12-04 19:22:53 +00:00
Misha Brukman
cf80ad35f3 Added instructions to add/subtract imm32 to/from a reg32. 
llvm-svn: 4921
 2002-12-04 19:15:22 +00:00
Chris Lattner
96edaabdb2 Fix bogus assertion failures 
llvm-svn: 4919
 2002-12-04 17:32:52 +00:00
Chris Lattner
b538ae0dba Avoid bad assertion 
llvm-svn: 4918
 2002-12-04 17:28:40 +00:00
Chris Lattner
feeb16616e Remove think-o assertion 
llvm-svn: 4917
 2002-12-04 17:18:30 +00:00
Chris Lattner
e21cfc9b6c Avoid crashing on Arguments, just silently miscompile 
llvm-svn: 4916
 2002-12-04 17:15:34 +00:00
Misha Brukman
101076f586 storeReg2RegOffset() and loadRegOffset2Reg() now take the iterator by value 
instead of by reference, since they return the modified iterator.

llvm-svn: 4914
 2002-12-04 17:14:13 +00:00
Misha Brukman
6e1c4851ea Moved buildReg2RegClassMap() into from X86RegisterInfo to MRegisterInfo, since 
it is target-independent.

llvm-svn: 4911
 2002-12-04 16:47:04 +00:00
Chris Lattner
29f4c79239 Add a "Lazy Function Resolution in Jello" section 
Remove some todo's

llvm-svn: 4910
 2002-12-04 16:12:54 +00:00
Chris Lattner
6c1a85e870 Fix a bug I introduced in a previous change 
llvm-svn: 4909
 2002-12-04 06:56:56 +00:00
Chris Lattner
73ac28801e Add support for referencing global variables/functions 
llvm-svn: 4907
 2002-12-04 06:45:19 +00:00
Chris Lattner
994984de43 Print out direct global references 
llvm-svn: 4906
 2002-12-04 06:44:41 +00:00
Misha Brukman
f13126a427 This should fix the bug seen with some registers not being allocated 
correctly: skipping instructions by incorrectly incrementing the pointer.

Also adds support for building a reg-to-regclass map, and splits the function
for saving register to stack into two, one suitable for virtual registers
(which also assigns it a physical register) and one for simply storing back
physical registers.

llvm-svn: 4898
 2002-12-03 23:15:19 +00:00
Misha Brukman
5639a6279e Added support for callee- and caller-save registers. 
llvm-svn: 4897
 2002-12-03 23:11:21 +00:00
Chris Lattner
8cadeb99ab Fix broken ret opcode, grr... 
llvm-svn: 4895
 2002-12-03 22:50:02 +00:00
Chris Lattner
47478b4dce Checkin debug implementation of MCE 
llvm-svn: 4893
 2002-12-03 20:56:42 +00:00
Chris Lattner
a31be4e958 Fix instsel for calls 
llvm-svn: 4891
 2002-12-03 20:30:12 +00:00
Chris Lattner
18b9a192e1 Simplify code 
llvm-svn: 4886
 2002-12-03 19:40:16 +00:00
Chris Lattner
dd9d97436d Fix big bug introduced with symbol table changes 
llvm-svn: 4885
 2002-12-03 18:32:30 +00:00
Chris Lattner
5629544811 Fix the build 
llvm-svn: 4884
 2002-12-03 18:15:59 +00:00
Brian Gaeke
c850694f49 brg 
Add support for cast ... to bool in visitCastInst (it's a start, anyways...)

llvm-svn: 4883
 2002-12-03 07:36:03 +00:00
Chris Lattner
5f0614914e Split the machine code emitter completely out of the printer 
llvm-svn: 4882
 2002-12-03 06:34:06 +00:00
Chris Lattner
99e7784512 * Move information about Implicit Defs/Uses into X86InstrInfo.def. 
* Expose information about implicit defs/uses of register through the
  MachineInstrInfo.h file.

llvm-svn: 4877
 2002-12-03 05:42:53 +00:00
Chris Lattner
56c48a37a8 Initialize implicit uses/defs fields for sparc backend to empty list 
llvm-svn: 4876
 2002-12-03 05:41:54 +00:00
Brian Gaeke
48759a6af9 brg 
X86Implicit.cpp, X86Implicit.h: New files.
InstSelectSimple.cpp: Add some clarifications in visitCallInst comments.

llvm-svn: 4874
 2002-12-03 00:51:09 +00:00
Chris Lattner
e66d3e90ce More support for machine code emission: raw instructions 
llvm-svn: 4872
 2002-12-02 21:56:18 +00:00
Chris Lattner
c1d0d21002 Expose explicit type 
llvm-svn: 4871
 2002-12-02 21:50:41 +00:00
Chris Lattner
f48a330fd8 Start implementing MachineCodeEmitter 
llvm-svn: 4870
 2002-12-02 21:44:34 +00:00
Chris Lattner
cd65711437 Eliminate OtherFrm 
llvm-svn: 4868
 2002-12-02 21:40:58 +00:00