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Author SHA1 Message Date
Misha Brukman
02f2676eac Making main() return 0 so that we know it ran successfully when it exits. 
llvm-svn: 4991
 2002-12-13 05:44:21 +00:00
Misha Brukman
a60d5f394d Making main() return 0 to exit without error when no error actually occurs. 
llvm-svn: 4990
 2002-12-13 05:43:36 +00:00
Chris Lattner
071795caf3 Fix testcase 
llvm-svn: 4989
 2002-12-13 05:42:57 +00:00
Chris Lattner
73433b07b9 Implement branches 
llvm-svn: 4988
 2002-12-13 05:40:28 +00:00
Chris Lattner
c2871e6cfb Infinite loops, are, well, not good 
llvm-svn: 4987
 2002-12-13 05:28:50 +00:00
Chris Lattner
62454d83f0 Emit the right form of mod/rm mod field 
llvm-svn: 4986
 2002-12-13 05:05:05 +00:00
Chris Lattner
7ec625a157 Nicify a bit 
llvm-svn: 4985
 2002-12-13 05:04:37 +00:00
Misha Brukman
37ebb1a55f This way it's easier to test: if the call to external exit(0) succeeded, 
program exits with code 0, no error. If the call does not work/succeed, main
returns 1, so we notice it. The other way around doesn't work. :)

llvm-svn: 4984
 2002-12-13 04:43:32 +00:00
Chris Lattner
4cc9894c71 Fix encoding of CBW instruction 
llvm-svn: 4983
 2002-12-13 04:41:31 +00:00
Misha Brukman
e5a8dcc695 Start allocating stack space at [ebp-4] to not overwrite the return address. 
Also make all loads & stores 4-byte aligned for performance. ;)

llvm-svn: 4982
 2002-12-13 04:34:02 +00:00
Misha Brukman
20c9c61c6d Moves now select correct opcode based on the data size. 
llvm-svn: 4981
 2002-12-13 04:24:53 +00:00
Chris Lattner
10f305cec7 Remove extranous #include 
llvm-svn: 4980
 2002-12-13 04:12:24 +00:00
Chris Lattner
723ca2522d Rename MemArg* to Arg* 
llvm-svn: 4979
 2002-12-13 03:51:55 +00:00
Chris Lattner
b698cd8236 Make mem size an assert 
Add mem size flags to all instructions using an imm

llvm-svn: 4978
 2002-12-13 03:50:13 +00:00
Misha Brukman
6a5788bb6f This is supposed to provide correct size for datatypes. Supposedly. 
llvm-svn: 4977
 2002-12-13 02:13:15 +00:00
Misha Brukman
12bec4ecef Take advantage of our knowledge of 2-address X86 instructions and 
register-allocated them appropriately.

llvm-svn: 4976
 2002-12-12 23:20:31 +00:00
Misha Brukman
bc60f65211 Define the 2-address flag used by X86 instructions (add,sub,and,or,xor) that 
need to be declared as such.

llvm-svn: 4975
 2002-12-12 23:19:51 +00:00
Misha Brukman
bf2857eb5c Added the flag to mark instructions which are really 2-address instructions in 
X86, but would be 3-address in any normail architecture.

llvm-svn: 4974
 2002-12-12 23:19:11 +00:00
Brian Gaeke
9b38597288 This checkin is brought to you by the brian gaeke allnighter fund. 
(lib/Target/X86) InstSelectSimple.cpp:
 Include llvm/DerivedTypes.h and iostream.
 Refactor visitMul out into a wrapper around doMultiply(), so that we
  can do multiplications on temporary values when we are doing
  getelementptrs.
 Refactor part of getReg out into makeAnotherReg, so that we can create
  registers willy-nilly to hold temporary values, when we are doing
  getelementptrs.
 Add stub implementations of visitMallocInst and visitAllocaInst.
 Add initial implementation of visitGetElementPtrInst.
 In copyConstantToRegister:
  We throw a *lot* of our asserts here. So, when we want to throw an
   assert, print out to stderr whatever expr or whatever constant made
   us barf.
  Support copying ConstantPointerNull to register, using a move immediate
   of zero.
 Rename FLDr4 and FLDr8 to FLDr32 and FLDr64, so that they match the meanings
  of the numbers in the other instruction names. All uses modified.
 Teach visitCallInst to extract byte- and short-class return values
  from subregs of EAX.  Add a FIXME note about how we would do it for
  float-class return values.
 Add a FIXME note about how we would cast float to int and back.

X86InstrInfo.def:
 Rename FLDr4 and FLDr8 to FLDr32 and FLDr64, so that they match the meanings
  of the numbers in the other instruction names. All uses modified.

(tools/jello) GlobalVars.cpp:
 Include iostream.
 If we have to emit a floating-point constant to memory, gamble and use
  the same method as for ints.
 If we have to emit a ConstantPointerNull to memory, try using a "void *"
  and "NULL".
 Otherwise, if we are going to throw an assert, print out whatever constant
  made us barf, first.

llvm-svn: 4973
 2002-12-12 15:33:40 +00:00
Misha Brukman
1264a03c8a 'graph' is spelled without a 'c'. 
Also added Statistic counters for NoAlias and MayAlias.

llvm-svn: 4972
 2002-12-12 05:34:10 +00:00
Chris Lattner
4e607715ce Make a release build compile. This field is not really an enum, it's really a bitfield 
llvm-svn: 4971
 2002-12-12 05:31:26 +00:00
Misha Brukman
46aa1be828 ipa.a only needs to be mentioned once, and spaces should be used instead of 
tabs for readability.

llvm-svn: 4970
 2002-12-12 05:29:32 +00:00
Misha Brukman
9fbca4e8ea No need to specify the class if the method is within the class declaration. 
llvm-svn: 4969
 2002-12-12 05:28:39 +00:00
Chris Lattner
8d4b4b020e Remove #includes 
llvm-svn: 4968
 2002-12-12 03:47:27 +00:00
Chris Lattner
8cbd9febdb Include tablegen 
llvm-svn: 4967
 2002-12-12 03:44:42 +00:00
Chris Lattner
8911afb9c1 Fix header 
llvm-svn: 4966
 2002-12-12 03:43:30 +00:00
Vikram S. Adve
6c46fba526 External routines used to identify Cilk operations inserted by the 
parallelization pass.

llvm-svn: 4965
 2002-12-10 13:08:48 +00:00
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
8ea96d8162 This file provides 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: 4963
 2002-12-10 13:07:12 +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
c8ea11cf8e The pass Parallelize automatically parallelizes a program using the 
Cilk multi-threaded runtime system to execute parallel code.  This file
exposes some routines needed for code generation for that pass.

llvm-svn: 4961
 2002-12-10 00:42:22 +00:00
Vikram S. Adve
03e6fa5804 Fix link errors due to new IPModRef pass. 
llvm-svn: 4960
 2002-12-09 05:53:11 +00:00
Vikram S. Adve
4c20f7764d Repeat ipa.a. Since IPModRef is currently only used in analysis.o, 
it was causing linking errors.

llvm-svn: 4959
 2002-12-09 04:46:25 +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
Chris Lattner
b8ec19c4a1 Check in an old testcase 
llvm-svn: 4951
 2002-12-07 17:08:07 +00:00
Chris Lattner
93f7326092 Give better error message if two passes of the same argument are registered 
llvm-svn: 4950
 2002-12-07 04:41:22 +00:00
Vikram S. Adve
183ea76dc4 Stronger assertion in getNodeId(): node id must exist in the map. 
llvm-svn: 4949
 2002-12-06 21:19:07 +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
Vikram S. Adve
ef10713b0e Added static helper method MergeNodes(). See DataStructure.cpp for more. 
llvm-svn: 4946
 2002-12-06 21:10:17 +00:00
Vikram S. Adve
c8e0378317 Bug fix in operator==() and in method fini(). 
llvm-svn: 4945
 2002-12-06 15:02:22 +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
da374a0ade Make sure to print indirect node again 
llvm-svn: 4943
 2002-12-06 06:40:00 +00:00
Chris Lattner
48b0c706a4 Fix bug 
llvm-svn: 4942
 2002-12-06 04:42:16 +00:00