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8004 Commits

Author SHA1 Message Date
Chris Lattner d57638c4a7 Fix compatibility with MSVC, patch by Morten Ofstad 
llvm-svn: 17218
 2004-10-25 18:45:16 +00:00
Chris Lattner 6180881673 Do not use variable sized arrays in C++, they are non-portable. Patch 
contributed by Morten Ofstad

llvm-svn: 17217
 2004-10-25 18:44:14 +00:00
John Criswell 7eeed938bf Removed dead method, printPHICopiesForSuccessors(). 
llvm-svn: 17216
 2004-10-25 18:41:50 +00:00
Chris Lattner 111c3e827e Patch to support MSVC better, contributed by Morten Ofstad 
llvm-svn: 17215
 2004-10-25 18:40:47 +00:00
Chris Lattner 43df507fef Patch to support MSVC, contributed by Morten Ofstad 
llvm-svn: 17214
 2004-10-25 18:40:08 +00:00
John Criswell a564e9e0ba Modified switch generation so that only the phi values associated with the 
destination basic block are copied.

llvm-svn: 17212
 2004-10-25 18:30:09 +00:00
Nate Begeman 74b7c1f3e0 Implement more complete and correct codegen for bitfield inserts, as tested 
by the recently committed rlwimi.ll test file.  Also commit initial code
for bitfield extract, although it is turned off until fully debugged.

llvm-svn: 17207
 2004-10-24 10:33:30 +00:00
Chris Lattner 3ff9289476 Fix the previous bug the correct way. This fixes ptrdist/bc 
llvm-svn: 17201
 2004-10-24 04:27:59 +00:00
Alkis Evlogimenos ba28dc8c54 Make this actually work. 
llvm-svn: 17199
 2004-10-24 03:02:16 +00:00
Alkis Evlogimenos da5de05b9b Add ConstantExpr::getSizeOf(Type*). 
llvm-svn: 17196
 2004-10-24 01:41:10 +00:00
Misha Brukman 9ce0da9e90 * Correctly handle the MovePCtoLR pseudo-instr with a bl to next instr 
* Stop the confusion of using rv and Addr for global addresses: just use rv

llvm-svn: 17195
 2004-10-23 23:47:34 +00:00
Misha Brukman f1f6270708 Add BA, BL, and BLA opcodes 
llvm-svn: 17193
 2004-10-23 20:29:24 +00:00
Misha Brukman 421c3c1ec4 * Do not emit IMPLICIT_DEF pseudo-instructions 
* Convert register numbers from their opcode value to the real value, e.g.
  PPC::R1 => 1 and PPC::F1 => 1
* Add correct handling of loading of global values which are PC-relative --
  implement ha16() and lo16()

llvm-svn: 17190
 2004-10-23 18:28:01 +00:00
Misha Brukman 15b0fb5678 DForm_1, particularly used by store instructions, needs the immediate operand to 
be listed second as that is how the instructions are usually created (and is the
correct asm syntax) so that it's assembled correctly from its constituents

llvm-svn: 17183
 2004-10-23 06:08:38 +00:00
Misha Brukman e882d30aa1 Fix the SPR field for MTLR, MFLR, MTCTR, and MFCTR instructions. 
The decimal value given in the manual (8 or 9) really needs to be multiplied by
a factor of 32 because of the group of 5 zero bits after the register code.

llvm-svn: 17182
 2004-10-23 06:05:49 +00:00
Misha Brukman 55a3ccd035 The value of the XO field for MFLR and MFCTR is 339, not 399 
llvm-svn: 17181
 2004-10-23 05:38:55 +00:00
Misha Brukman 101d5d62d5 Remove extraneous blank line 
llvm-svn: 17180
 2004-10-23 04:59:22 +00:00
Misha Brukman cea2e46821 Align function arguments in function headers 
llvm-svn: 17178
 2004-10-23 04:58:32 +00:00
Chris Lattner 46131bd16f Fix a bug that Brian brought to my attention. This corrects: 
Assembler/2004-10-22-BCWriterUndefBug.llx

llvm-svn: 17177
 2004-10-23 03:10:23 +00:00
Nate Begeman 6cadac8f43 Kill casts from integer types to unsigned byte, when the cast was only used 
as the shift amount operand to a shift instruction.  This was causing us to
emit unnecessary clear operations for code such as:
int foo(int x) { return 1 << x; }

llvm-svn: 17175
 2004-10-23 00:50:23 +00:00
Misha Brukman 37a7102ccb Use cleaner quoting and eliminate blank space 
llvm-svn: 17174
 2004-10-22 23:35:57 +00:00
Reid Spencer 4755617619 Clean up the output from this makefile so its not verbose. 
llvm-svn: 17173
 2004-10-22 23:24:39 +00:00
Misha Brukman e60a3fb063 Adjust rules for building .inc files due to Reid's changes of Makefile.rules 
llvm-svn: 17169
 2004-10-22 22:16:24 +00:00
Reid Spencer 30d8baea8d Adjust to changes in Makefile.rules 
llvm-svn: 17167
 2004-10-22 21:02:08 +00:00
Reid Spencer fad217c847 Eliminate compilation warning on uninitialized variable. 
llvm-svn: 17163
 2004-10-22 16:10:39 +00:00
Chris Lattner fe9abf92de *** empty log message *** 
llvm-svn: 17161
 2004-10-22 06:43:28 +00:00
Chris Lattner 5c3c21e10a Fix a bug Nate noticed, where we miscompiled a simple testcase 
llvm-svn: 17157
 2004-10-22 04:53:16 +00:00
Reid Spencer c1c320c335 We won't use automake 
llvm-svn: 17155
 2004-10-22 03:35:04 +00:00
Misha Brukman a6ecf271db Remove debug code emitter from the JIT 
llvm-svn: 17151
 2004-10-21 03:07:38 +00:00
Alkis Evlogimenos 757cc0e84c Make this compile. 
llvm-svn: 17150
 2004-10-21 02:44:16 +00:00
Misha Brukman 2beb63a65a * Added basic support for JITing functions, basic blocks, instruction encoding, 
including registers, constants, and partial support for global addresses
* The JIT is disabled by default to allow building llvm-gcc, which wants to test
  running programs during configure

llvm-svn: 17149
 2004-10-21 01:42:02 +00:00
Nate Begeman 86b5f8075c Don't clear or sign extend bool->int. This fires a few dozen times on the test suite 
llvm-svn: 17147
 2004-10-20 21:55:41 +00:00
Brian Gaeke c9d8b4d45c Explain what this pass does. 
llvm-svn: 17146
 2004-10-20 19:38:58 +00:00
John Criswell 85b380582e Small performance improvement in generated C code: 
Instead of unconditionally copying all phi node values into temporaries for
all successor blocks, generate code that will determine what successor
block will be called and then copy only those phi node values needed by
the successor block.

This seems to cut down namd execution time from being 8% higher than GCC to
4% higher than GCC.

llvm-svn: 17144
 2004-10-20 14:38:39 +00:00
Misha Brukman e2ada0413e * Add baseline structural JIT code, but disable the JIT to allow llvm-gcc builds 
- Support added for functions, basic blocks, constant pool, constants,
    registers, and some basic support for globals, all untested
* Turn assert()s into abort()s so that unimplemented functions fail in release

llvm-svn: 17143
 2004-10-19 19:49:42 +00:00
Chris Lattner 257b284038 Hrm, some people complain when the compiler cheerfully tells them what it's 
doing... I guess they're right.

llvm-svn: 17142
 2004-10-19 06:33:16 +00:00
Misha Brukman 648ad57b85 Fix some grammar 
llvm-svn: 17141
 2004-10-19 05:55:54 +00:00
Brian Gaeke f3499acc16 Simplify mapping info generation. In particular, the LLVM-to-MachineInstr map 
is no longer emitted, and we do not reference any MachineCodeForInstruction
information.

llvm-svn: 17138
 2004-10-19 05:15:21 +00:00
Reid Spencer 6a11a75f31 Initial automake generated Makefile template 
llvm-svn: 17136
 2004-10-18 23:55:41 +00:00
Nate Begeman b18121e6a9 Initial implementation of the strength reduction for GEP instructions in 
loops.  This optimization is not turned on by default yet, but may be run
with the opt tool's -loop-reduce flag.  There are many FIXMEs listed in the
code that will make it far more applicable to a wide range of code, but you
have to start somewhere :)

This limited version currently triggers on the following tests in the
MultiSource directory:
pcompress2: 7 times
cfrac: 5 times
anagram: 2 times
ks: 6 times
yacr2: 2 times

llvm-svn: 17134
 2004-10-18 21:08:22 +00:00
Misha Brukman 22cf52374e AIX does not have mkdtemp() so emulate its behavior using mktemp() and mkdir() 
llvm-svn: 17131
 2004-10-18 17:39:45 +00:00
Chris Lattner fbc070bfdc Improve compatibility with VC++, patch contributed by Morten Ofstad! 
llvm-svn: 17126
 2004-10-18 15:54:17 +00:00
Chris Lattner 88a8a329c3 Get this file compiling with VC++, patch contributed by Morten Ofstad. Thanks Morten! 
llvm-svn: 17125
 2004-10-18 15:43:46 +00:00
Reid Spencer ce0783318b Correction to allow compilation with Visual C++. 
Patch contributed by Morten Ofstad. Thanks Morten!

llvm-svn: 17123
 2004-10-18 14:38:48 +00:00
Chris Lattner 5edb2f32d0 Simplify code by deleting instructions that preceed unreachable instructions. 
Simplify code by simplifying terminators that branch to blocks that start
with an unreachable instruction.

llvm-svn: 17116
 2004-10-18 04:07:22 +00:00
Chris Lattner a67dd32004 Turn store -> null/undef into the LLVM unreachable instruction! This simple 
change hacks off 10K of bytecode from perlbmk (.5%) even though the front-end
is not generating them yet and we are not optimizing the resultant code.
This isn't too bad.

llvm-svn: 17111
 2004-10-18 03:00:50 +00:00
Chris Lattner 8ba9ec9bbb Turn things with obviously undefined semantics into 'store -> null' 
llvm-svn: 17110
 2004-10-18 02:59:09 +00:00
Chris Lattner 3b92f17165 My friend the invoke instruction does not dominate all basic blocks if it 
occurs in the entry node of a function

llvm-svn: 17109
 2004-10-18 01:48:31 +00:00
Chris Lattner 34ae670706 Fix a bug that occurs when the constant value is the result of an invoke. In 
particular, invoke ret values are only live in the normal dest of the invoke
not in the unwind dest.

llvm-svn: 17108
 2004-10-18 01:21:17 +00:00
Chris Lattner 53058663aa Print a semicolon for the unreacahble instruction. This fixes problems 
where C requires semicolons in some cases to indicate null statements.

llvm-svn: 17107
 2004-10-17 23:49:11 +00:00