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Author SHA1 Message Date
Chris Lattner
40e08082a0 New testcase. Check for the ability to promote a malloc whose initialzed state is checked by the program 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17160 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 06:43:07 +00:00
Chris Lattner
9b9918246c Fix a bug Nate noticed, where we miscompiled a simple testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17157 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 04:53:16 +00:00
Reid Spencer
514b4b0a1f Remove automake support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17156 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 03:39:08 +00:00
Reid Spencer
cac731ecbe We won't use automake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17155 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 03:35:04 +00:00
Misha Brukman
9691a898c7 Remove debug code emitter from the JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17151 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-21 03:07:38 +00:00
Alkis Evlogimenos
4f9a6c30a2 Make this compile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17150 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-21 02:44:16 +00:00
Misha Brukman
3070e2ff79 * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17149 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-21 01:42:02 +00:00
Nate Begeman
0797d4905a Don't clear or sign extend bool->int. This fires a few dozen times on the test suite 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17147 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-20 21:55:41 +00:00
Brian Gaeke
a30dd79be8 Explain what this pass does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17146 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-20 19:38:58 +00:00
John Criswell
57bbfcec91 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17144 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-20 14:38:39 +00:00
Misha Brukman
d8e6e7f563 * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17143 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 19:49:42 +00:00
Chris Lattner
3fd0e55de1 Hrm, some people complain when the compiler cheerfully tells them what it's 
doing... I guess they're right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17142 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 06:33:16 +00:00
Misha Brukman
3567a41307 Fix some grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17141 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 05:55:54 +00:00
Misha Brukman
7e302d2f5f If we're going to make the braces of functions line up for ease of readability 
and aesthetic reasons, might as well finish the job


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17140 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 05:50:34 +00:00
Misha Brukman
938d53e143 Remove unnecessary spaces in function signature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17139 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 05:49:46 +00:00
Brian Gaeke
849c7b5708 Simplify mapping info generation. In particular, the LLVM-to-MachineInstr map 
is no longer emitted, and we do not reference any MachineCodeForInstruction
information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17138 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 05:15:21 +00:00
Misha Brukman
e196516fa7 * Fit constructor initializer on a single line 
* Delete blank chars at end of line to fit into 80 cols


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 00:29:16 +00:00
Reid Spencer
86d341b204 Initial automake generated Makefile template 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17136 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 23:55:41 +00:00
Misha Brukman
e42aeece6c Move code to redefine INT64_{MIN,MAX} on AIX/PowerPC to a separate header, 
because #undef becomes commented out in DataTypes.h.in due to autoheader


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17135 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 22:14:48 +00:00
Nate Begeman
eaa13851a7 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17134 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 21:08:22 +00:00
Misha Brukman
103f2eede3 * AIX on Power defines INT64_MIN and INT64_MAX in ways that annoy GCC, so 
special-case those definitions
* Add comments in #ifdef/#else/#endif clauses for ease of reading


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17132 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 18:35:21 +00:00
Misha Brukman
9c02f5c566 AIX does not have mkdtemp() so emulate its behavior using mktemp() and mkdir() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17131 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 17:39:45 +00:00
Chris Lattner
4caf5d563d Fix miscompilations in the SparcV9 backend that were induced by this patch: 
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20041011/019311.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17130 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 17:19:20 +00:00
Chris Lattner
7d0974b9a0 Improve compatibility with VC++, patch contributed by Morten Ofstad! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17126 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 15:54:17 +00:00
Chris Lattner
f26801b0e6 Get this file compiling with VC++, patch contributed by Morten Ofstad. Thanks Morten! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17125 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 15:43:46 +00:00
Reid Spencer
0998afdc1e Declare a function in the correct namespace. 
Patch contributed by Morten Ofstad. Thanks Morten!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 14:43:45 +00:00
Reid Spencer
17e6e44298 Correction to allow compilation with Visual C++. 
Patch contributed by Morten Ofstad. Thanks Morten!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17123 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 14:38:48 +00:00
Chris Lattner
698f96f7c8 Simplify code by deleting instructions that preceed unreachable instructions. 
Simplify code by simplifying terminators that branch to blocks that start
with an unreachable instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17116 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 04:07:22 +00:00
Chris Lattner
d7e30973cd New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17115 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 04:06:41 +00:00
Reid Spencer
f405d107d8 Actually link all the analysis passes and their dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17114 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 03:32:12 +00:00
Reid Spencer
0bade7e5e7 Remove extra comma. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17113 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 03:26:21 +00:00
Reid Spencer
7b32daa4c1 Actually link in all the analysis passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 03:22:48 +00:00
Chris Lattner
fc5c1bb000 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 03:00:50 +00:00
Chris Lattner
17be63552a Turn things with obviously undefined semantics into 'store -> null' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17110 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 02:59:09 +00:00
Chris Lattner
77bcee74da My friend the invoke instruction does not dominate all basic blocks if it 
occurs in the entry node of a function


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17109 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 01:48:31 +00:00
Chris Lattner
28e792c232 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17108 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 01:21:17 +00:00
Chris Lattner
963869e41a Print a semicolon for the unreacahble instruction. This fixes problems 
where C requires semicolons in some cases to indicate null statements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17107 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:49:11 +00:00
Chris Lattner
c7ff6c8029 Getting ADCE to interact well with unreachable instructions seems like a nontrivial 
exercise that I'm not interested in tackling right now.  Just punt and treat them
like unwind's.

This 'fixes' test/Regression/Transforms/ADCE/unreachable-function.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17106 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:45:06 +00:00
Chris Lattner
559069d46d New testcase that ADCE shouldn't crash on 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17105 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:44:02 +00:00
Chris Lattner
3787e765fa Fix Regression/Transforms/Inline/2004-10-17-InlineFunctionWithoutReturn.ll 
If a function had no return instruction in it, and the result of the inlined
call instruction was used, we would crash.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17104 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:21:07 +00:00
Chris Lattner
58f8bdc6c6 New testcase that crashes the inliner 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17103 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:20:29 +00:00
Nate Begeman
792558898f Pass -single_module option to gcc when linking dynamic libraries for use with bugpoint, so that we can bugpoint multiple .cp files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17102 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:03:32 +00:00
Nate Begeman
fcf4a42cdf Generate correct stubs for weak-linked symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17101 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:01:34 +00:00
Chris Lattner
cfbf9faaa4 fold gep undef, ... -> undef 
This comes up many times in perlbmk and probably others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17100 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:54:55 +00:00
Chris Lattner
ca45930548 Remove printout, realize that instructions in the entry block dominate all 
other blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17099 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:31:34 +00:00
Chris Lattner
7e40f63428 When inserting PHI nodes, don't insert any phi nodes that are obviously 
unneccesary.  This allows us to delete several hundred phi nodes of the
form PHI(x,x,x,undef) from 253.perlbmk and probably other programs as well.

This implements Mem2Reg/UndefValuesMerge.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17098 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:25:56 +00:00
Chris Lattner
41b2dc4133 New testcase, no PHI should be inserted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17097 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:25:32 +00:00
Chris Lattner
8143c2bc0d Enhance hasConstantValue to ignore undef values in phi nodes. This allows it 
to think that PHI[4, undef] == 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17096 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:23:26 +00:00
Chris Lattner
c30bda7540 hasConstantValue will soon return instructions that don't dominate the PHI node, 
so prepare for this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17095 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:22:38 +00:00
Chris Lattner
665825e58e The first hunk corrects a bug when printing undef null values. We would print 
0->field, which is illegal.  Now we print ((foo*)0)->field.

The second hunk is an optimization to not print undefined phi values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17094 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 17:48:59 +00:00