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c46f8a4f42
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5815 Commits

Author SHA1 Message Date
Brian Gaeke
c46f8a4f42 Give pass a name 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12290 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-11 19:23:15 +00:00
Misha Brukman
db760d00c3 Fix compilation on Sparc: assert(0) => abort() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12289 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-11 19:08:24 +00:00
Brian Gaeke
cf68bd5fc1 In PhyRegAlloc::saveState(), dump Arguments' saved-state, and try to 
make the output more compact.

Divorce state-saving from the doFinalization method; for some reason it's not
getting called when I want it to, at Reoptimizer time. Put the guts in
PhyRegAlloc::finishSavingState(). Put an abort() in it so that I can be really
really sure that it's getting called.

Update comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12286 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-11 06:45:52 +00:00
Brian Gaeke
36061dab06 Remove ghostly directory from the build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12285 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-11 04:42:41 +00:00
Brian Gaeke
d1b3679214 Move all the SaveState options and stuff inton one spot at the top of the file. 
De-constify SaveStateToModule; we have to set both it and SaveRegAllocState
explicitly in the reoptimizer.
Make SaveRegAllocState an 'external location' option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12278 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-10 22:21:03 +00:00
Brian Gaeke
14068d9f97 Only call verifySavedState if SaveRegAllocState is set AND debugging flag is on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12277 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-10 22:01:59 +00:00
Chris Lattner
c6b0c4b9e2 Fix PR284: [indvars] Induction variable analysis violates LLVM invariants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12275 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-10 21:42:19 +00:00
Brian Gaeke
d0f3c5e8b1 My fix for PR274 broke the build on Darwin/PPC. As I'm fairly certain this 
bug only affects Linux systems that use GLIBC, I'm going to put ifdefs around
the array.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12269 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-10 17:38:28 +00:00
Chris Lattner
85fb1be62f implement new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12264 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 19:37:06 +00:00
Alkis Evlogimenos
6a367f33f3 Spill explicit physical register defs as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12260 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 08:35:13 +00:00
Alkis Evlogimenos
519f4e76b7 Check if printing of implicit uses is required for all types of shift 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12258 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 06:10:15 +00:00
Brian Gaeke
00f0a29e1c Address PR274 - '[JIT] Programs cannot resolve the fstat function' 
by trying to get the compiler to generate an undefined reference for it
and related functions which live in libc_nonshared.a on Linux.

Linkers... sigh.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12256 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 05:22:10 +00:00
Brian Gaeke
cf47198a49 Hmm, who left this sitting around in my tree 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12255 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 04:49:13 +00:00
Alkis Evlogimenos
cc2a2a530f Differentiate between extended precision floats (80-bit) and double precision floats (64-bit) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12254 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 03:37:54 +00:00
Alkis Evlogimenos
0309066f6c Use newly added API to emit bytes for instructions that gas misassembles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12253 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 03:35:34 +00:00
Alkis Evlogimenos
39c2005b70 Add emitInstruction() API so that we can get the bytes of a simple instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12252 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 03:34:53 +00:00
Alkis Evlogimenos
f6e8156008 Constify things a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12251 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-09 03:30:12 +00:00
Brian Gaeke
8b16a16918 Change PhyRegAlloc::saveStateForValue()'s arg type to deal with 
AllocInfo.Instruction becoming an int.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12247 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 23:22:03 +00:00
Brian Gaeke
54a76b8808 Save argument list alloc state by recording it as the operands of Instruction 
#-1. Other minor changes to deal with AllocInfo.Instruction becoming an int.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12246 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 23:22:02 +00:00
Brian Gaeke
757ccd5149 Make AllocInfo's Instruction an int, so that we can overload it for arguments. 
(Instruction #-1's operands = argument list).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12245 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 23:22:01 +00:00
Chris Lattner
96ab5caf2d Switch to using edge profiling information as the basic source of profile info 
from using basic block counts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12242 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 22:04:08 +00:00
Chris Lattner
62e84f376b Refactor implementations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12240 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 21:30:35 +00:00
Chris Lattner
6ba8972919 Import the trace class from the reoptimizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12236 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 20:57:27 +00:00
Chris Lattner
dbbbfef165 If we have edge counts, we can produce block counts. I've verified that 
using an edge profile to produce block counts gives the exact same numbers
as using a block count directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12232 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 20:03:52 +00:00
Chris Lattner
9f717ef279 Adjust to new interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12231 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 18:51:45 +00:00
Chris Lattner
01945c1739 Add initial support for reading edge counts. This will be improved to enable 
translation of edge counts into block/function counts when possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12229 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 18:20:18 +00:00
Chris Lattner
b2f12a2c38 Initial support for edge profiling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12225 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 17:54:34 +00:00
Chris Lattner
467dd2ec61 Split utility functions out of BlockProfiling.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12224 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 17:06:13 +00:00
Chris Lattner
c51733c7b5 finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12221 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 16:45:53 +00:00
Chris Lattner
63a225050f Insert functions into the module promptly, not lazily. This fixes a bug 
I introduced last night.  Note to self: test the *correct* tree...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12220 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 16:14:19 +00:00
Chris Lattner
802b5ab844 Implement test/Regression/Assembler/2004-03-07-FunctionAddressAlignment.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12218 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 06:17:35 +00:00
Chris Lattner
2c56b55cf0 Remove Module::mutateConstantPointerRef, which is now thankfully dead! 
This is one small step towards the complete obliteration of
ConstantPointerRef's entirely!! Woot!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12216 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 06:16:10 +00:00
Chris Lattner
2296ec0ce9 Eliminate nightmarish API 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12214 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 06:11:10 +00:00
Chris Lattner
bc2075977c Eliminate a REALLY HORRIBLE API: mutateReferences, which is gross gross gross. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12212 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 06:09:57 +00:00
Chris Lattner
d84d3501c6 Fix a bug handling globals that are constants, but are still external 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12208 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 03:52:24 +00:00
Chris Lattner
9b3c702614 Avoid allocating special registers a bit more robustly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12207 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 03:48:07 +00:00
Chris Lattner
7dee5daf85 Implement folding explicit load instructions into binary operations. For a 
testcase like this:

int %test(int* %P, int %A) {
        %Pv = load int* %P
        %B = add int %A, %Pv
        ret int %B
}

We now generate:
test:
        mov %ECX, DWORD PTR [%ESP + 4]
        mov %EAX, DWORD PTR [%ESP + 8]
        add %EAX, DWORD PTR [%ECX]
        ret

Instead of:
test:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %ECX, DWORD PTR [%ESP + 8]
        mov %EAX, DWORD PTR [%EAX]
        add %EAX, %ECX
        ret

... saving one instruction, and often a register.  Note that there are a lot
of other instructions that could use this, but they aren't handled.  I'm not
really interested in adding them, but mul/div and all of the FP instructions
could be supported as well if someone wanted to add them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12204 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 01:58:35 +00:00
Chris Lattner
721d2d4a6e Rearrange and refactor some code. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12203 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 01:18:36 +00:00
Chris Lattner
9440db8866 Implement ArgumentPromotion/aggregate-promote.ll 
This allows pointers to aggregate objects, whose elements are only read, to
be promoted and passed in by element instead of by reference.  This can
enable a LOT of subsequent optimizations in the caller function.

It's worth pointing out that this stuff happens a LOT of C++ programs, because
objects in templates are generally passed around by reference.  When these
templates are instantiated on small aggregate or scalar types, however, it is
more efficient to pass them in by value than by reference.

This transformation triggers most on C++ codes (e.g. 334 times on eon), but
does happen on C codes as well.  For example, on mesa it triggers 72 times,
and on gcc it triggers 35 times.  this is amazingly good considering that
we are using 'basicaa' so far.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 01:04:36 +00:00
Chris Lattner
86a734bd40 Implement: ArgumentPromotion/chained.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12200 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 22:52:53 +00:00
Chris Lattner
7db5a6df78 Fix another minor bug, exposed by perlbmk 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12198 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 22:43:27 +00:00
Chris Lattner
c76d80342e Since 'load null' is undefined, we can make it do whatever we want. Returning 
a zero value is the most likely way to cause further simplification, so we do it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12197 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 22:16:24 +00:00
Chris Lattner
7e6f5090af Fix a minor bug and turn debug output into, well, debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 21:54:50 +00:00
Chris Lattner
ed570a7dca New LLVM pass: argument promotion. This version only handles simple scalar 
variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12193 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 21:29:54 +00:00
Alkis Evlogimenos
13d362f310 Add memory operand version of conditional move. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12190 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 03:19:11 +00:00
Alkis Evlogimenos
5ae00066c6 As I wrote in the docs, simple is the default spiller :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12189 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-06 23:08:44 +00:00
Alkis Evlogimenos
499b2bad27 Add simple spiller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12188 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-06 22:38:29 +00:00
Brian Gaeke
08f64c3321 Support return values of basic integer types. 
Emit RETL instruction to return instead of funny JMPL.
Fix indentation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12186 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-06 05:32:28 +00:00
Brian Gaeke
a8056fabeb Sort stanzas into Sparc V8 book page number order. 
Add RET, RETL.  Rename SAVE, RESTORE & JMPL for consistency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12185 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-06 05:32:13 +00:00
Brian Gaeke
bda4a3c61a Hack it so we do not try to allocate values to G0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12184 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-06 05:31:32 +00:00