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Author SHA1 Message Date
Brian Gaeke
6f6eb93de3 Make debugging dumps w/ multiple MachineBBs for a given LLVM BB readable. 
llvm-svn: 14205
 2004-06-17 22:26:53 +00:00
Chris Lattner
f815117481 Do not fold loads into instructions if it is used more than once. In particular 
we do not want to fold the load in cases like this:

  X = load
    = add A, X
    = add B, X

llvm-svn: 14204
 2004-06-17 22:15:25 +00:00
Chris Lattner
13cea4ef6f Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in 
PR371

llvm-svn: 14203
 2004-06-17 21:20:52 +00:00
Brian Gaeke
7d711d517b Use addGlobalAddress and addMBB for call & branch targets instead of addPCDisp. 
Abort if we see a PCRelativeDisp MachineOperand, to be safe. This matches
the X86 backend.

llvm-svn: 14202
 2004-06-17 19:39:23 +00:00
Chris Lattner
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
Chris Lattner
00b0a866dd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
Delete two functions that are now methods on the Type class

llvm-svn: 14200
 2004-06-17 18:16:02 +00:00
Chris Lattner
18f8ae4e3e Minor cleanup 
llvm-svn: 14199
 2004-06-17 17:56:54 +00:00
Misha Brukman
8495487d8e Make header comment fit within 80 cols. 
llvm-svn: 14198
 2004-06-17 15:49:36 +00:00
Misha Brukman
66a7b8bc6d Since the Great LLVM Tool Renaming(tm), we no longer have collisions between our 
assembler/linker and the system equivalents.

llvm-svn: 14197
 2004-06-17 15:39:58 +00:00
Brian Gaeke
a46100448f Fix typo in DEBUG printout. 
llvm-svn: 14196
 2004-06-17 07:26:52 +00:00
Chris Lattner
1b8f37597d Fix a recent regression in Applications/sgefa that Alkis pointed out to me. 
The vector may actually be empty if the register that we are marking as
recently used is not actually allocatable.  This happens for physical registers
that are not allocatable, like the ST(x) registers on X86.

llvm-svn: 14195
 2004-06-16 06:57:29 +00:00
Brian Gaeke
19d2a396da Add int ferror(FILE *) 
llvm-svn: 14194
 2004-06-16 02:56:40 +00:00
Brian Gaeke
9f7f63256d I'm afraid this doesn't exist. 
llvm-svn: 14193
 2004-06-16 00:26:45 +00:00
Brian Gaeke
cf3cb8944a Um, did someone make a typo or something? 
llvm-svn: 14192
 2004-06-15 23:09:50 +00:00
Chris Lattner
7c3600a50e isnan is dead 
llvm-svn: 14191
 2004-06-15 21:52:58 +00:00
Chris Lattner
538a46b41c llvm.isnan is dead, long live llvm.isunordered! 
llvm-svn: 14190
 2004-06-15 21:50:46 +00:00
Chris Lattner
9bb0083d16 Remove support for llvm.isnan. Alkis wins :) 
llvm-svn: 14189
 2004-06-15 21:48:07 +00:00
Chris Lattner
5c115a9836 This testcase is a bit silly now, but oh well :) 
llvm-svn: 14188
 2004-06-15 21:46:16 +00:00
Chris Lattner
c9a6116586 Remove isnan support, correct isunordered support 
llvm-svn: 14187
 2004-06-15 21:42:23 +00:00
Chris Lattner
1adcf0441d Remove support for the isnan intrinsic 
llvm-svn: 14186
 2004-06-15 21:37:54 +00:00
Chris Lattner
d11493d8c4 Add basic support for the isunordered intrinsic. The isnan stuff still needs to go 
llvm-svn: 14185
 2004-06-15 21:36:44 +00:00
Chris Lattner
bb0198d8d2 Right, stop being silly 
llvm-svn: 14184
 2004-06-15 21:29:40 +00:00
Chris Lattner
1b81b46323 Add a nan, stop testing isnan 
llvm-svn: 14183
 2004-06-15 21:29:01 +00:00
Brian Gaeke
0a7b268b1a Fix thinko in visitor... ShiftInsts should currently be delegated 
to visitBinaryOperator.

llvm-svn: 14182
 2004-06-15 21:09:46 +00:00
Chris Lattner
8ca8002f88 Do not dereference end iterators. It's really bad for the asmwriter's health. 
This possibly fixes PR370

llvm-svn: 14181
 2004-06-15 21:07:32 +00:00
Brian Gaeke
5fe5e06bea I think we'll use the standard lowering passes for now. 
llvm-svn: 14179
 2004-06-15 20:37:12 +00:00
Brian Gaeke
d5f45ba4a1 Fix bug generating code for void call instructions: don't call 
getReg() on void value.

llvm-svn: 14178
 2004-06-15 20:06:32 +00:00
Brian Gaeke
79008f4648 Squash a warning from the Solaris assembler by aligning the stack 
on a double-word boundary instead of a single-word boundary.

llvm-svn: 14177
 2004-06-15 19:53:10 +00:00
Brian Gaeke
e02c780919 Allow special-casing of operand printing based on opcode. Print 
non-register, non-immed. arguments to SETHI and OR using %hi() and
%lo() respectively.

llvm-svn: 14176
 2004-06-15 19:52:59 +00:00
Brian Gaeke
b158cb6411 Support constant GEP expressions. 
Support copying long constants to register pairs.
Support copying ConstantPointerNulls and ConstantPointerRefs to registers.

llvm-svn: 14175
 2004-06-15 19:16:07 +00:00
Misha Brukman
19322ee4c6 The correct prototype is `int atoi(CONST char*)'. Unbroke AIX build. 
llvm-svn: 14173
 2004-06-14 16:30:05 +00:00
Misha Brukman
130e02f232 Add file comment. 
llvm-svn: 14172
 2004-06-14 15:13:59 +00:00
Brian Gaeke
a4353cabab Quick hack to get this file compiling again on Mac OS X. The right thing to do 
is write an autoconf macro that checks whether __isnan or isnan actually works
**using the C++ compiler after #include <cmath>**, instead of doing it the easy
way with AC_CHECK_FUNCS().

llvm-svn: 14171
 2004-06-14 06:33:19 +00:00
Brian Gaeke
21e2dd53d8 Make -print-machineinstrs even stronger. You get to see the final code after 
peepholing, and make it work the same way in the JIT as in LLC.

llvm-svn: 14170
 2004-06-14 05:05:45 +00:00
Reid Spencer
6771895caa Get rid of "might be uninitialized" warnings when compiling with GCC 3.3.2 
llvm-svn: 14169
 2004-06-13 19:17:49 +00:00
Alkis Evlogimenos
dd550dc9cd Add constant folding capabilities to the isunordered intrinsic. 
llvm-svn: 14168
 2004-06-13 01:23:56 +00:00
Alkis Evlogimenos
dcf5341b61 Really add the docs this time :-) 
llvm-svn: 14167
 2004-06-13 01:16:15 +00:00
Alkis Evlogimenos
173e9e832c Make assertions more consistent with the rest of the intrinsic 
function verification and make it a requirement that both arguments to
llvm.isunordered are of the same type.

llvm-svn: 14165
 2004-06-13 00:55:26 +00:00
Alkis Evlogimenos
9b28aef6cb Add the isunordered intrinsic. 
llvm-svn: 14159
 2004-06-12 19:19:14 +00:00
Reid Spencer
5310ad2ad5 Reduce the number of columns in the alpha index to 4 so that it fits 
on a 1280x1024 screen!

llvm-svn: 14158
 2004-06-12 14:46:02 +00:00
Chris Lattner
a8fd205112 It is no longer 2001 
llvm-svn: 14157
 2004-06-11 21:12:22 +00:00
Brian Gaeke
a4caf3f4f1 Don't trim @PrevDays (causing an error) if it isn't long enough. 
llvm-svn: 14156
 2004-06-11 19:55:30 +00:00
Misha Brukman
4fdc92647b Fix grammar: 's is for possessive only. 
llvm-svn: 14155
 2004-06-11 16:50:21 +00:00
Reid Spencer
efdd7cd3ac Implement tracking of bytecode instruction size and the number of long 
instructions generated.

llvm-svn: 14154
 2004-06-11 15:10:38 +00:00
Reid Spencer
1c1bf98896 Add two options to the program: 
-release causes ENABLE_OPTIMIZED=1 to be added to the make line so that
         the test runs against optimized code.
-pedantic causes the CompileOptimizeOpts variable to be overridden to
          add several additional warnings not picked up by -Wall. This
	  should help catch additional programming faux pas. See the diff
	  for the specific details.

llvm-svn: 14153
 2004-06-11 07:06:22 +00:00
Chris Lattner
84269aa91e Fix fallout from getOffsetOfLocalArea() being negated. Debugging dumps were being 
printed incorrectly, and we were reserving 8 extra bytes of stack space for functions
on X86.

llvm-svn: 14152
 2004-06-11 06:37:11 +00:00
Chris Lattner
8dd2380de4 llvm.isnan doesn't access memory 
llvm-svn: 14151
 2004-06-11 06:17:13 +00:00
Chris Lattner
66790212ba Constant fold the isnan intrinsic 
llvm-svn: 14150
 2004-06-11 06:16:23 +00:00
Chris Lattner
81db12e7d7 Add tests for isnan 
llvm-svn: 14149
 2004-06-11 06:16:13 +00:00
Chris Lattner
3a8e675c03 By far, one of the most common uses of isnan is to make 'isunordered' 
comparisons.  In an 'isunordered' predicate, which looks like this at
the LLVM level:

        %a = call bool %llvm.isnan(double %X)
        %b = call bool %llvm.isnan(double %Y)
        %COM = or bool %a, %b

We used to generate this code:

        fxch %ST(1)
        fucomip %ST(0), %ST(0)
        setp %AL
        fucomip %ST(0), %ST(0)
        setp %AH
        or %AL, %AH

With this patch, we generate this code:

        fucomip %ST(0), %ST(1)
        fstp %ST(0)
        setp %AL

Which should make alkis happy.  Tested as X86/compare_folding.llx:test1

llvm-svn: 14148
 2004-06-11 05:33:49 +00:00