Chris Lattner
77b505670c
learn about some more functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20929 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 20:04:24 +00:00
Andrew Lenharth
c05138387a
Fix up some types and constants
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20928 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 19:24:04 +00:00
Chris Lattner
9342a939eb
Fix a problem where we not marking incoming arguments to functions with
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external linkage as incomplete.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20927 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 19:16:59 +00:00
Chris Lattner
f51d3bd676
Fix a bug that andrew noticed where we do not correctly sign/zero extend
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returned integer values all of the way to 64-bits (we only did it to 32-bits
leaving the top bits undefined). This causes problems for targets like alpha
whose ABI's define the top bits too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20926 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 19:09:56 +00:00
Chris Lattner
cfba7981eb
there is no point comparing against null pointer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20925 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 17:44:52 +00:00
Chris Lattner
76bc5ce5c4
Fix a major problem with global variable initializers. This could cause
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us to have stuff pointing to the null pointer, which makes no sense
(the null ptr is an ssa value, not the null object)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20922 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 17:21:53 +00:00
Chris Lattner
848132d671
fix a warning in the optimized build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20920 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 15:13:27 +00:00
Chris Lattner
4de57fd9e9
add some more functions, ignore setcc for constraints!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20917 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 06:52:20 +00:00
Chris Lattner
b1515fe522
disable this transformation in the one obscure case that really pessimizes
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pointer analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20916 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 06:37:47 +00:00
Chris Lattner
8a44643d61
Handle "known" external calls context sensitively, add support for realloc
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and a couple of other functions that are important.
Handle aggregate undef values for gv initializers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20914 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 06:09:07 +00:00
Nate Begeman
f3d08f31b3
Implement div, rem, and frameindex
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20907 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29 00:03:27 +00:00
Nate Begeman
f70b576ccc
Pattern ISel: fix argument loading for i64s (thanks chris)
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Simple ISel: fix i64 subtract
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20903 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 23:08:54 +00:00
Nate Begeman
ca12a2bd91
Remove fake instruction 'subc' (mnemonic for subfc).
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More pattern isel updates
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20902 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 22:28:37 +00:00
Chris Lattner
d4e50bb2e2
implement legalization of build_pair for nate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20901 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 22:03:13 +00:00
Andrew Lenharth
7f4ec3b2e3
First step in adding pcmarker intrinsic. Second step (soon) is adding backend support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20900 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 20:05:49 +00:00
Nate Begeman
9db505ca9d
Implement proper loads and zero-extends of all types
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20897 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 19:36:43 +00:00
Duraid Madina
ae8bd73634
Emit .global @function and .global @object entries so the Intel ias
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assembler may be used; identify LLVM output as such.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20892 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 15:21:43 +00:00
Chris Lattner
f392c64ec6
Teach andersens that non-escaping memory cannot be mod/ref'd by external fn calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20891 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 06:21:17 +00:00
Misha Brukman
be5e2f4f9b
Fix grammar
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20890 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 04:32:12 +00:00
Chris Lattner
c3c9fd0dd6
Make anders-aa much more precise by not being completely pessimistic about
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external functions. Teach it about a few important ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20889 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 04:03:52 +00:00
Alkis Evlogimenos
ab7ada3ed6
Rename createPromoteMemoryToRegister() to
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createPromoteMemoryToRegisterPass() to be consistent with other pass
creation functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20885 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28 02:01:12 +00:00
Chris Lattner
493f6366cb
wrap some long lines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20884 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-27 22:03:46 +00:00
Chris Lattner
93ab219244
remove ...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20883 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-27 21:57:09 +00:00
Chris Lattner
40ee8ce28b
speed up steens by using spliceFrom, improve its precision by realizing that
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an incomplete node cannot alias a complete node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20882 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-27 21:56:55 +00:00
Chris Lattner
267a1b02a2
teach andersens about undef
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20881 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-27 18:58:23 +00:00
Chris Lattner
5f4c0a88ee
Don't give up completely, maybe other AA can say something about this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20873 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-27 00:02:33 +00:00
Chris Lattner
e70492d0e2
Factor out percentage printing into its own function. Make two changes to
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the function: print more precision XX.X% instead of XX%, and cast to ULL
before scaling by 100/1000 to avoid wrap around for large numbers of queries
(such as occur for 253.perlbmk and 176.gcc)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20872 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 23:56:33 +00:00
Chris Lattner
1b9a2aac98
Cache mapping information for a call site after computing it for a mod/ref
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query. If the next mod/ref query happens to be for the same call site
(which is extremely likely), use the cache instead of recomputing the
callee/caller mapping. This makes -aa-eval ***MUCH*** faster with
ds-aa
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20871 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 23:29:03 +00:00
Chris Lattner
a7337dc2b9
Remove more long dead code: dsa doesn't provide must alias info
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20870 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 22:54:46 +00:00
Chris Lattner
5a6a9d4f0c
remove some unsafe code that has long been dead
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20869 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 22:48:42 +00:00
Chris Lattner
bc499de74f
slightly improve mod/ref for DSAA by checking the globals graph for fallback
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20868 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 22:47:03 +00:00
Chris Lattner
b7523418b0
Teach steens-aa two things about mod/ref information:
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1. If memory never escapes the program, it cannot be mod/ref'd by external
functions.
2. If memory is global never mod/ref'd in the program, it cannot be mod/ref'd
by any call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20867 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 22:43:20 +00:00
Chris Lattner
0772e78789
Interchange this loop so that we test all pointers against one call site
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before moving on to the next call site. This will be a more efficient way
to compute the mod/ref set for AA implementations like DSA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20866 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 22:16:44 +00:00
Nate Begeman
7532e2f555
Fix that pesky floats in integer regs problem by assigning the f32 type to
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the correct register class. Also remove the loading of float data into int
regs part of varargs; it will need to be implemented differently later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20857 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 08:25:22 +00:00
Nate Begeman
f7e4338035
Get closer to having varargs working. There's still something strange
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going on with copies between floating point and integer register files
being generated. Once that is solved, varargs will be done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20856 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 07:46:36 +00:00
Nate Begeman
f26226155e
Make 64bit args and float args work correct with calls. Thanks to Chris
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for explaining EXTRACT_ELEMENT to me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20847 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 02:17:46 +00:00
Nate Begeman
8e21e71b24
Change interface to LowerCallTo to take a boolean isVarArg argument.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20842 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 01:29:23 +00:00
Nate Begeman
307e7443b8
Next round of pattern isel changes, mostly dealing with calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20841 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 01:28:53 +00:00
Nate Begeman
c13a7f0eb3
Correct a documention link
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20840 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-26 01:28:05 +00:00
Chris Lattner
cf9082589c
no really, don't double count these nodes either!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20837 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 20:54:45 +00:00
Chris Lattner
0423e031d6
Don't count all of the nodes in the SCC once for each function in the SCC.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20836 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 20:37:32 +00:00
Chris Lattner
33b4276053
Grow the EQ classes for globals at the end of the BU pass. This shrinks
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memory usage in the TD pass for 254.gap from 31.3MB to 3.9MB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20834 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 16:45:43 +00:00
Nate Begeman
c7b09f1f01
Support global addresses and fix call returns. Varargs still aren't
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handled correctly for floating point arguments, or more than 8 arguemnts.
This does however, allow hello world to run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20832 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 08:34:25 +00:00
Chris Lattner
cec5b8831d
Enhance loopsimplify to preserve alias analysis instead of clobbering it.
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This prevents crashes on some programs when using -ds-aa -licm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20831 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 06:37:22 +00:00
Chris Lattner
2958eeabcf
Treat free operations as volatile, since they cannot be moved. This fixes
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Transforms/LICM/2005-03-24-LICM-Aggregate-Crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20830 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 05:49:37 +00:00
Chris Lattner
70ac2dcb84
Fix a bug where LICM was not updating AA information properly when sinking
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a pointer value out of a loop causing it to be duplicated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20828 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 00:22:36 +00:00
Chris Lattner
20da24c4b9
remove a debugging timer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20827 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 00:06:09 +00:00
Chris Lattner
b2dbdc1301
Two changes here:
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1. Instead of copying Local graphs to the BU graphs to start with, use
spliceFrom to do the job (which is constant time in this case). On
176.gcc, this chops off .17s from the bu pass.
2. When building SCC graphs, simplify the logic and use spliceFrom to
do the heavy lifting, instead of cloneInto/delete. This slices
another .14s off 176.gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20826 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 00:05:04 +00:00
Chris Lattner
ce7068d378
Make the spliceFrom case where one graph is completely empty be constant time.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20825 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-25 00:02:41 +00:00
Chris Lattner
5734e4331e
add a new DSGraph::spliceFrom method, which violently takes the content of
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one graph and plops it into another, without breaking a sweat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20824 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 23:46:04 +00:00
Nate Begeman
9e3e1b5d44
Implement next round of Pattern ISel fixes
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1. void returns
2. multiplies
3. calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20822 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 23:35:30 +00:00
Nate Begeman
7ca541b75a
Fix an incorrect argument being passed to BuildMI for indirect calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20821 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 23:34:38 +00:00
Chris Lattner
4da120e5d6
This replaces the correct but slow code with a more aggressive scc-finder
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based approach to find globals and call sites that need to be copied. This
speeds up the BU pass on 176.gcc from 22s back up to 2.3s. Not as good
as 1.5s, but at least it's correct :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20820 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 23:06:02 +00:00
Chris Lattner
09adbbc99e
only look at successors of globals. This gets us down to "only" 22s in the
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bu pass for 176.gcc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20818 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 21:17:27 +00:00
Chris Lattner
d8642125e4
Unfortunately, a previous patch was not safe. Revert it, reimplement
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something correct. Unfortunately this takes 176.gcc's BU phase back
up to 29s from 1.5. This fixes DSGraph/2005-03-24-Global-Arg-Alias.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20817 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 21:07:47 +00:00
Nate Begeman
2daec45751
Commit Gabor Greif's patch to use iterators in lowering intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20816 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 20:07:16 +00:00
Chris Lattner
0d397bd437
don't bother |'ing in 0's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20815 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 18:42:51 +00:00
Chris Lattner
d94b4d5b9c
be more aggressive about incompleteness marking
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20814 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 18:42:28 +00:00
Chris Lattner
1bcb9abb30
eliminate dead variables, patch contributed by Gabor Greif!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20812 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 17:32:20 +00:00
Nate Begeman
5e9666129a
Implement more of the PPC32 Pattern ISel:
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1) dynamic stack alloc
2) loads
3) shifts
4) subtract
5) immediate form of add, and, or, xor
6) change flag from -pattern-isel to -enable-ppc-pattern-isel
Remove dead arguments from getGlobalBaseReg in the simple ISel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20810 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 06:28:42 +00:00
Chris Lattner
246fa6316d
Fix silly "no newline at end of file" warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20809 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 06:16:18 +00:00
Chris Lattner
26bc78ed10
Fix compilation errors, patch contributed by the fabulous Bill Wendling!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20808 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 05:13:53 +00:00
Chris Lattner
3c61f70dc1
fix a compilation error, patch contributed by Bill Wendling!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20807 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 05:12:48 +00:00
Nate Begeman
a9795f81e9
Addition of the PPC32 Pattern ISel. While it is far from complete, it will
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be brought up to parity with the current simple ISel in the coming days.
Currently, -pattern-isel is required to trigger it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20805 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 04:41:43 +00:00
Nate Begeman
85fdeb233e
Remove comments that are now meaningless from the pattern ISels, at Chris's
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request.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20804 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 04:39:54 +00:00
Chris Lattner
c5132e65a6
Fix a crash while promoting a value out of a loop from a global variable
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when using ds-aa
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20802 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 04:22:04 +00:00
Chris Lattner
7d671b88e8
teach ds-aa about mod/ref for external function calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20801 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 03:04:50 +00:00
Chris Lattner
62da315c85
Simplify dead code into a fixme :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20800 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 02:41:19 +00:00
Chris Lattner
c4417f98e5
fix a compiler crash in runtime/libprofile
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20799 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-24 01:22:52 +00:00
Chris Lattner
f5eaf3c62c
wrap a long line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20797 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 23:51:12 +00:00
Chris Lattner
ec6518ddc2
If we are calling an external function, chain to another AA to potentially
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decide, don't just immediately give up.
This implements GlobalsModRef/chaining-analysis.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20796 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 23:49:47 +00:00
Chris Lattner
8cfd24df54
Make this more efficient by only making one virtual method call.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20793 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 23:26:58 +00:00
Chris Lattner
d433bde071
Make this a bit more aggressive
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20792 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 22:06:41 +00:00
Chris Lattner
65512d2525
a hack to allow count-aa to work with ds-aa :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20791 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 21:59:34 +00:00
Chris Lattner
cf9f20189f
Add two options to allow -count-aa to print queries either (1) all queries,
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or (2) only queries that are not successful (e.g. return may alias)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20790 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 21:59:07 +00:00
Chris Lattner
1f309c1a4e
enable -debug-only=licm
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20788 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 21:00:12 +00:00
Chris Lattner
c14f59cb72
turn a dead conditional into an assert.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20787 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 20:12:08 +00:00
Chris Lattner
e3f1d8a525
Totally gut mergeInGraph. There is absolutely no reason to be merging
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global roots in from callees to callers. The BU graphs do not have accurate
globals information and all of the clients know it. Instead, just make sure
the GG is up-to-date, and they will be perfectly satiated.
This speeds up the BU pass on 176.gcc from 5.5s to 1.5s, and Loc+BU+TD
from 7s to 2.7s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20786 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 20:08:59 +00:00
Chris Lattner
eb39492deb
wrap a long line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20785 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 16:43:11 +00:00
Andrew Lenharth
cc59ed5379
don't lie to the register allocator
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20784 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 15:20:01 +00:00
Chris Lattner
943814bb01
Make -steens-aa more conservative (aka correct) by making sure to obey
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incompleteness flags.
Make it more aggressive by taking field sensitive information into
account.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20781 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 01:48:09 +00:00
Tanya Lattner
9532ab9839
Added alias analysis.
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Fixed many many bugs.
This now works on almost all Singlesource , and most of MultiSource.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20780 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 01:47:20 +00:00
Chris Lattner
2f72f9462b
implement Analysis/DSGraph/field-sensitive.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20779 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 01:47:19 +00:00
Chris Lattner
60cd9558ba
don't crash in some bad cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20776 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-23 01:29:26 +00:00
Chris Lattner
1e9d1475bc
Several changes here:
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1. Increase max node size from 64->256 to avoid collapsing an important
structure in 181.mcf
2. If we have multiple calls to an indirect call node with an indirect
callee, fold these call nodes together, to avoid DSA turning apoc into
a flaming fireball of death when analyzing 176.gcc.
With this change, 176.gcc now takes ~7s to analyze for loc+bu+td, with
5.7s of that in the BU pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20775 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 23:54:52 +00:00
Chris Lattner
9547adef58
Mark external globals incomplete in the BU Globals graph, fixing
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Analysis/DSGraph/2005-03-22-IncompleteGlobal.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20773 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 22:10:22 +00:00
Andrew Lenharth
f29dc07aae
hum, it is good to use real instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20769 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 16:42:52 +00:00
Chris Lattner
6ae7e9837c
Directly count the number of memory instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20766 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 03:55:10 +00:00
Chris Lattner
fed1b27d32
Timers SHOULD NOT record the time taken to count the bytes allocated in the heap!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20765 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 03:20:38 +00:00
Chris Lattner
a513fb127f
Remove an iteration pass over the entire scalarmap for each function created
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by not allowing integer constants to get into the scalar map in the first
place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20764 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 02:45:13 +00:00
Chris Lattner
9308a35532
When making a clone of a DSGraph from the BU pass, make sure to remember that
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this clone is supposed to be used for *ALL* of the functions in the SCC.
This fixes the memory explosion problem the TD pass was having, reducing the
memory growth from 24MB -> 3.5MB on povray and 270MB ->8.3MB on perlbmk!
This obviously also speeds up the TD pass *a lot*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20763 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 01:50:42 +00:00
Chris Lattner
3bc703ba22
Don't use operator[], use the new method instead, which is faster. This speeds
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up the TD pass about 30% for povray and perlbmk. It's still not clear why
copying a 5MB set of graphs turns into a 25MB set of graphs though :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20762 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 01:42:59 +00:00
Chris Lattner
a2197139b5
Now that the dead ctor is gone, nothing uses the old node mapping exported by
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cloneInto: make it an internally used mapping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20760 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:36:51 +00:00
Chris Lattner
5805c426dc
remove a dead ctor
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20759 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:33:35 +00:00
Chris Lattner
d65145bd3d
now that the second argument is always this->ReturnNodes, don't bother passing it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20758 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:29:44 +00:00
Chris Lattner
560af8aa97
instead of using a local RetValMap, just use the graph we are cloning into
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for the return node map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20757 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:25:52 +00:00
Andrew Lenharth
dc0b71b3bb
two things: 1)evilness reduction patch, reduces the number of instructions hiding in the small jump CC moving code. 2)implement div of small data types by FP DIV (also reduces evilness and should speed things up)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20756 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:24:07 +00:00
Chris Lattner
271d6884e3
now that the valuemapping is always the local scalar map, we can eliminate
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this identity merge.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20755 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:22:45 +00:00
Chris Lattner
3c920fa861
remove the second argument to cloneInto
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20754 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:21:05 +00:00
Chris Lattner
24c47c5c45
add some timers, don't clone aux nodes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20752 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:12:00 +00:00
Chris Lattner
612f0b74d4
move this out of line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20751 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:09:45 +00:00
Chris Lattner
7080c3e54e
don't generate temporary scalarmaps.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20749 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-22 00:04:21 +00:00
Chris Lattner
f09ecffa0d
allow passing clone flags down to cloneInto
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20748 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 22:49:53 +00:00
Chris Lattner
275b301740
Enhance the TD pass to build composite graphs when we have indirect call
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sites that target multiple callees. If we have a function table, for
example, with N callees, and M callers call through it, we used to have
to perform O(M*N) graph inlinings. Now we perform O(M+N) inlinings.
This speeds up the td pass on perlbmk from 36.26s to 25.75s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20743 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 20:31:29 +00:00
Chris Lattner
b3439374ac
make this const correct
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20741 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 20:28:50 +00:00
Chris Lattner
eb144f5e73
Fix a major problem where we didn't add call graph edges for call sites with
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more than 1 callee. This fixes Analysis/DSGraph/FunctionPointerTable-const.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20740 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 20:20:49 +00:00
Misha Brukman
c7cd5e5672
We may be adding functions to the Module during initialization, so
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conservatively, it's modified
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20735 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 19:22:14 +00:00
Chris Lattner
c26f6d3899
Ugh, for some reason, I can't call this unless the reference is const!?!?!?
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20732 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 10:00:45 +00:00
Chris Lattner
3f90a94c5d
The reachability cloner should add arguments to merged calls when the RHS of
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the merge has more operands than the LHS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20731 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 09:39:51 +00:00
Chris Lattner
c2b94805fb
'note to self'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20727 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 08:43:32 +00:00
Chris Lattner
355ad1f3af
Remove a bunch of cruft and dead code for handling the case when types were
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defined in function constant pools. The assembler grammar has long
disallowed functions from having constant pools, so all of this stuff is
dead.
This makes it an immediate error for functions to refer to nonexisting
types, fixing Regression/Verifier/2005-03-21-UndefinedTypeReference.ll.
Before, references to non-existing types in functions would only be
detected when the subsequent function was parsed, due to the call to
"ResolveTypes". "ResolveTypes" has not resolved any types for a long time,
instead it emitted an error message if no resolved types are left. Since
the only caller of this method is in the module code, just inline it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20726 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 06:27:42 +00:00
Tanya Lattner
eba4604d49
Make this method non-const. Making it const causes the const version of
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getIGroup to be called instead of the non-const one. These two methods
have (??) different behavior, so this change fixes bugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20724 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 06:07:43 +00:00
Chris Lattner
d57e55ec0d
Change the way that the TD pass inlines graphs. Instead of inlining each
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graph into all of the functions it calls when we visit a graph, change it so
that the graph visitor inlines all of the callers of a graph into the current
graph when it visits it.
While we're at it, inline global information from the GG instead of from each
of the callers. The GG contains a superset of the info that the callers do
anyway, and this way we only need to do it one time (not one for each caller).
This speeds up the TD pass substantially on several programs, and there is
still room for improvement. For example, the TD pass used to take 147s
on perlbmk, it now takes 36s. On povray, we went from about 5s to 1.97s.
134.perl is down from ~1s for Loc+BU+TD to .6s.
The TD pass needs a lot of improvement though, which will occur with later
patches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20723 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21 04:55:35 +00:00
Chris Lattner
53491b3db7
Don't strip modref bits when inlining down the call graph. This fixes
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the DSGraph/2003-06-30-TopDownResolve.ll regression from last night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20717 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 18:02:56 +00:00
Chris Lattner
cc9bda6a41
Remove the ability to keep track of inlined globals, which is always dead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20716 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 04:30:30 +00:00
Chris Lattner
36474c923f
This call is always a noop, remove it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20714 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 04:29:54 +00:00
Chris Lattner
bc6f966a44
remove some pointless asserts
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20713 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 04:29:39 +00:00
Chris Lattner
5f75ff65bc
-steens doesn't use the inlined globals facility.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20712 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 04:23:57 +00:00
Chris Lattner
9b426bdd81
Build EC's for globals twice. The first is after constructing the initial
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Globals Graph for the local pass, the second is after all of the locals
graphs have been constructed. This allows for many additional global EC's
to be recognized that weren't before. This speeds up analysis of programs
like 177.mesa, where it changes DSA from taking 0.712s to 0.4018s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20711 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 03:32:35 +00:00
Chris Lattner
7cdf321256
Add a new DSNode::removeGlobal method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20710 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 03:29:54 +00:00
Chris Lattner
6b9eb35442
Transform BU pass to not use the horrible DSCallSiteIterator class.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20708 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:42:07 +00:00
Chris Lattner
82c6c72862
Implement new methods for dealing with DSNode global lists, rename uses of
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old methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20707 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:41:38 +00:00
Chris Lattner
2496d696f0
use simpler methods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20706 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:41:16 +00:00
Chris Lattner
977b705d74
method was renamed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20705 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:40:27 +00:00
Chris Lattner
f5c7ad8949
print out equiv class info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20704 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:40:11 +00:00
Chris Lattner
bf30e7268c
some methods got renamed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20703 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:40:04 +00:00
Chris Lattner
9454dda28a
Make use of simpler DSNode methods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20702 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:39:49 +00:00
Chris Lattner
1cee779cec
#ifdef out a function only used by #ifdef'd code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20700 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 02:14:15 +00:00
Chris Lattner
48427b539f
comment cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20699 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20 01:18:00 +00:00
Chris Lattner
f4f6227989
Create an equivalence class of global variables that DSA will never be able
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to tell apart anyway, and only track the leader for of these equivalence
classes in our graphs.
This dramatically reduces the number of GlobalValue*'s that appear in scalar
maps, which A) reduces memory usage, by eliminating many many scalarmap entries
and B) reduces time for operations that need to execute an operation for each
global in the scalar map.
As an example, this reduces the memory used to analyze 176.gcc from 1GB to
511MB, which (while it's still way too much) is better because it doesn't hit
swap anymore. On eon, this shrinks the local graphs from 14MB to 6.8MB,
shrinks the bu+td graphs of povray from 50M to 40M, shrinks the TD graphs of
130.li from 8.8M to 3.6M, etc.
This change also speeds up DSA on large programs where this makes a big
difference. For example, 130.li goes from 1.17s -> 0.56s, 134.perl goes
from 2.14 -> 0.93s, povray goes from 15.63s->7.99s (!!!).
This also apparently either fixes the problem that caused DSA to crash on
perlbmk and gcc, or it hides it, because DSA now works on these. These
both take entirely too much time in the TD pass (147s for perl, 538s for
gcc, vs 7.67/5.9s in the bu pass for either one), but this is a known
problem that I'll deal with later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20696 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19 22:23:45 +00:00
Chris Lattner
efd02c750f
Fix the 3 regressions last night, due to my buggy patch from yesterday.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20689 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19 17:35:11 +00:00
Alkis Evlogimenos
1cecd3a1d2
Add new function getPtrPtrFromArrayPtr().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20684 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19 11:40:31 +00:00
Alkis Evlogimenos
12cf385662
Stop using deprecated interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20679 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19 09:22:17 +00:00
Chris Lattner
605a87cc19
Switch to use the new interface for the EquivalenceClasses class, and fix
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a bug involving SCC's who have multiple members that are part of an EC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20678 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19 05:15:27 +00:00
Chris Lattner
5021b8c2d6
do not bother inlining nullary functions without return values. The only
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effect these calls can have is due to global variables, and these passes
all use the globals graph to capture their effect anyway. This speeds up
the BU pass very slightly on perlbmk, reducing the number of dsnodes
allocated from 98913 to 96423.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20676 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 23:19:47 +00:00
Chris Lattner
db7436aae8
fix a bogus assertion
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20675 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 23:18:30 +00:00
Chris Lattner
0c9707a190
another fastpath
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20674 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 23:18:20 +00:00
Chris Lattner
67c2d18166
remove use of getPrev() and getNext() on ilist nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20673 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 16:12:37 +00:00
Chris Lattner
41b162faba
expose this pass to both opt and analyze
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20672 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 05:27:57 +00:00
Chris Lattner
4707b895b6
remove a bogus optimization. This only works if there are no globals in the
...
graph, and the combination of a function that does not reference globals, takes
not arguments and returns no value is pretty rare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20670 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 00:23:59 +00:00
Chris Lattner
511f60c707
Rewrite DSAA::getModRefInfo to compute the mapping between caller and callee
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to determine mod/ref behavior, instead of creating a *copy* of the caller
graph and inlining the callee graph into the copy.
This speeds up aa-eval on Ptrdist/yacr2 from 109.13s to 3.98s, and gives
identical results. The speedup is similar on other programs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20669 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18 00:21:03 +00:00
Chris Lattner
4ffe5d8038
implement a new method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20668 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 23:45:54 +00:00
Chris Lattner
1c8327bd50
add some possibly bogus assertions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20665 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 20:33:27 +00:00
Chris Lattner
ddc77c458a
Do not include the Function* for direct call/invoke instructions in the
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alias evaluation. Clients really don't care.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20664 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 20:25:04 +00:00
Duraid Madina
37b11a974a
typo/denial
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20663 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 20:23:27 +00:00
Chris Lattner
50cb9b40c2
simplify this function a bit, allow DS-AA to build on/improve the mod/ref
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results returned by AA, not just use one or the other.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20662 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 20:16:58 +00:00
Chris Lattner
94f8470fe3
Clean up some code, handle null pointer specially to avoid an assertion
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20660 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 19:56:56 +00:00
Chris Lattner
2e2cce69bc
Two changes:
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1. Chain to the parent implementation of M/R analysis if we can't find
any information. It has some heuristics that often do well.
2. Do not clear all flags, this can make invalid nodes by turning nodes
that used to be collapsed into non-collapsed nodes (fixing crashes)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20659 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 19:56:18 +00:00
Duraid Madina
817aed4fab
clean up warnings when building in release mode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20658 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 19:00:40 +00:00
Duraid Madina
d0b87b3ede
OK, IA64 is statically linked into llc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20655 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 18:37:05 +00:00
Duraid Madina
de487f0977
build the IA64 target as a .so for now
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20654 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 18:29:04 +00:00
Duraid Madina
9b9d45f60e
and so it begins...
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PHASE 1: write instruction selector
PHASE 2: ???
PHASE 3: profit!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20652 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 18:17:03 +00:00
Chris Lattner
7805fa4acc
Don't emit two comparisons when comparing a FP value against zero!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20651 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 16:29:26 +00:00
Chris Lattner
5b3a4553c1
Fix the missing symbols problem Bill was hitting. Patch contributed by
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Bill Wendling!!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20649 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 15:38:16 +00:00
Chris Lattner
ec3f5c4fd7
Do not create ridiculously huge DSNodes, as described in the comments.
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This speeds up the BU pass on 172.mgrid from 62.3 -> 0.1242s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20648 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 05:25:34 +00:00
Chris Lattner
c0d0e77042
Fix a bug where we would consider " .99" and "1.0" different because of the
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leading whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20647 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 04:49:04 +00:00
Chris Lattner
84b80a214a
remove use of compat_iterator.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20643 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-16 22:42:19 +00:00
Misha Brukman
fd67824386
Convert tabs to spaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20638 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-16 05:42:00 +00:00
Chris Lattner
c72e57314a
fix some 80 column violations
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Add support for programs that define main in a .a file, such as f2c'd programs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20631 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 23:03:34 +00:00
Chris Lattner
fc82ef6797
consolidate LinkFiles into LinkItems, use lib_* iterators.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20630 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 22:55:17 +00:00
Chris Lattner
ad988f397d
consolidate LinkLibraries into LinkItems
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20629 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 22:51:40 +00:00
Chris Lattner
38065a7e01
make sure to mark nodes in the globals graph incomplete after computing it
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so that external globals (and whatever they point to) are marked incomplete.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20628 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 22:47:18 +00:00
Chris Lattner
49e88e80c7
fix crashes when we only have a prototype for main.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20627 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 22:10:04 +00:00
Chris Lattner
4d5af8e894
Fix a crash that happens when mapping something like this:
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{ short, short }
to
short
where the second short maps onto the second field of the first struct. In
this case, the struct index is not aligned, so we should avoid calling
getLink(2), which asserts out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20626 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 21:36:50 +00:00
Andrew Lenharth
f23e3a2d38
sure, I can set a flag, but if I never check it, why bother setting it? Should fix 20 programs :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20623 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 19:51:19 +00:00
Chris Lattner
36a13cdeea
Make computeGGToGMapping compute an invnodemap
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20622 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 17:52:18 +00:00
Chris Lattner
2af8c5185a
Finally fix (the right way) the problem where functions like this:
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void foo() {
G = 1;
}
would have an empty DSGraph even though G (a global) is directly used
in the function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20619 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 17:14:09 +00:00
Chris Lattner
a5f47ea23d
Start using retnodes_* for iteration.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20618 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 16:55:04 +00:00
Chris Lattner
5d85f8f66e
avoid varialbe name collisions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20606 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 06:29:12 +00:00
Chris Lattner
feb1550824
stop using method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20603 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 05:19:49 +00:00
Chris Lattner
39220ded94
stop using arg_front
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20599 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 05:03:36 +00:00
Chris Lattner
c5e7df1d60
stop using arg_back
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20598 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 04:59:17 +00:00
Chris Lattner
e4d5c441e0
This mega patch converts us from using Function::a{iterator|begin|end} to
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using Function::arg_{iterator|begin|end}. Likewise Module::g* -> Module::global_*.
This patch is contributed by Gabor Greif, thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20597 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 04:54:21 +00:00
Chris Lattner
841957ebaf
Don't crash if computing a mapping to a node with zero size
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20595 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 04:40:24 +00:00
Chris Lattner
b0f92e3ed3
rename method, add counterpart
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20593 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 00:58:16 +00:00
Andrew Lenharth
ca3d59b1dc
FP 0.0 setcc optimization, and generate short branch sequence for setcc(FP) rather than stack usage
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20589 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-14 19:23:45 +00:00
Chris Lattner
b2b17bb65b
add a method to compute a commonly used mapping.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20588 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-14 19:22:47 +00:00
Chris Lattner
e2bc7b2517
regardless of whether or not the client things we should mark globals incomplete,
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ALWAYS mark them incomplete if they are external!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20586 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 20:36:01 +00:00
Chris Lattner
270cf5025e
Make sure to remove incomplete markers before we add to them! :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20585 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 20:32:26 +00:00
Chris Lattner
b5ecd2e378
The incoming arguments to main (the argv list) are not complete!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20584 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 20:22:10 +00:00
Chris Lattner
a66e353cf9
After finishing BU analysis, move all global variables from the globals
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graph into main and mark them complete.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20583 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 20:15:06 +00:00
Chris Lattner
adfd5f14b4
ADd support for printing eqgraphs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20582 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 19:51:24 +00:00
Chris Lattner
2787e03d0e
Replace linear search with logrithmic one.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20580 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 19:05:05 +00:00
Chris Lattner
e7ea48cb61
add a StructLayout::getElementContainingOffset method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20579 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 19:04:41 +00:00
Andrew Lenharth
84e2dc2d5d
Should fix mesa
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20577 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-13 00:43:20 +00:00
Chris Lattner
a4319e5826
make sure to mark nodes returned from functions as incomplete
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20576 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-12 14:58:28 +00:00
Chris Lattner
b25959a632
remove this from the PA namespace, leaving it in the llvm ns
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20574 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-12 12:08:52 +00:00
Chris Lattner
7aed7179bd
Move this from the pool allocator project to here, where it logically belongs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20570 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-12 11:51:30 +00:00
Andrew Lenharth
e87f6c31d2
remove a pseudo instruction and improve inline constant generation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20563 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-11 17:48:05 +00:00
Chris Lattner
e97568c3c4
I didn't mean to check this in. :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20555 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-10 20:59:51 +00:00
Chris Lattner
ee639f1760
Fix a bug where we would incorrectly do a sign ext instead of a zero ext
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because we were checking the wrong thing. Thanks to andrew for pointing
this out!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20554 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-10 20:55:51 +00:00
Andrew Lenharth
572668aa38
yay for camel_cvs diff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20552 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-10 20:15:09 +00:00
Andrew Lenharth
3dc15f3022
some typoes and .bss isn't liked, at all
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20542 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-10 19:02:02 +00:00
Chris Lattner
f768bba43f
Allow the live interval analysis pass to be a bit more aggressive about
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numbering values in live ranges for physical registers.
The alpha backend currently generates code that looks like this:
vreg = preg
...
preg = vreg
use preg
...
preg = vreg
use preg
etc. Because vreg contains the value of preg coming in, each of the
copies back into preg contain that initial value as well.
In the case of the Alpha, this allows this testcase:
void "foo"(int %blah) {
store int 5, int *%MyVar
store int 12, int* %MyVar2
ret void
}
to compile to:
foo:
ldgp $29, 0($27)
ldiq $0,5
stl $0,MyVar
ldiq $0,12
stl $0,MyVar2
ret $31,($26),1
instead of:
foo:
ldgp $29, 0($27)
bis $29,$29,$0
ldiq $1,5
bis $0,$0,$29
stl $1,MyVar
ldiq $1,12
bis $0,$0,$29
stl $1,MyVar2
ret $31,($26),1
This does not seem to have any noticable effect on X86 code.
This fixes PR535.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20536 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 23:05:19 +00:00
Andrew Lenharth
059c3ef70b
minor correction for Register that isn't used
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20535 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 20:48:23 +00:00
Chris Lattner
14723c264d
constant fold FP_ROUND_INREG, ZERO_EXTEND_INREG, and SIGN_EXTEND_INREG
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This allows the alpha backend to compile:
bool %test(uint %P) {
%c = seteq uint %P, 0
ret bool %c
}
into:
test:
ldgp $29, 0($27)
ZAP $16,240,$0
CMPEQ $0,0,$0
AND $0,1,$0
ret $31,($26),1
instead of:
test:
ldgp $29, 0($27)
ZAP $16,240,$0
ldiq $1,0
ZAP $1,240,$1
CMPEQ $0,$1,$0
AND $0,1,$0
ret $31,($26),1
... and fixes PR534.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20534 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 18:37:12 +00:00
Chris Lattner
76da61621c
correct the computation of the isAbstract bit for types.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20533 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 17:34:27 +00:00
Chris Lattner
50bc9ef507
Fix Regression/Analysis/BasicAA/2005-03-09-BrokenBasicAA.ll, a miscompilation
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that Alkis found with Java, thanks Alkis!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20531 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 16:29:52 +00:00
Reid Spencer
9dbf1e5bb8
Fix a typo in an assertion comment.
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Patch contributed by Vladimir Merzliakov.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20529 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 15:19:41 +00:00
Chris Lattner
bac5b46396
Export two methods for getting -X and A-B.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20527 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 05:34:41 +00:00
Chris Lattner
1c81f1390d
get bugpoint working on ia64, by building .so's with -fpic. :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20525 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-09 03:31:02 +00:00
Chris Lattner
411eba0eaf
Fix a crash handling 'undef bool', fixing an llc crash on 186.crafty
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20523 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-08 22:53:09 +00:00
Reid Spencer
d632f4977e
Patch to make assembly output compatible with mingw compilation (identical
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to cygwin)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20520 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-08 17:02:05 +00:00
Chris Lattner
dbf69f1992
Make sure to remove all dead type names from the symbol table, not just
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struct types. This fixes Regression/CodeGen/CBackend/2005-03-08-RecursiveTypeCrash.ll,
a crash on Java output that Alkis reported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20519 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-08 16:19:59 +00:00
Misha Brukman
23ba0c5cf3
Single characters should be printed out as chars, not strings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20515 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-08 00:26:08 +00:00
Chris Lattner
001d16aa9c
Fix an apparent ambiguity compiling on PPC
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20507 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-07 02:59:36 +00:00
Chris Lattner
2f62fdc9a7
fix a bug where we thought arguments were constants :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20506 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 22:52:29 +00:00
Chris Lattner
3f93197098
Fix Regression/Transforms/LoopStrengthReduce/dont_insert_redundant_ops.ll,
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hopefully not breaking too many other things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20505 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 22:36:12 +00:00
Chris Lattner
2f9b19b4c9
implement Transforms/LoopStrengthReduce/invariant_value_first_arg.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20501 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 22:06:22 +00:00
Chris Lattner
2461dff070
minor simplifications of the code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20497 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 21:58:22 +00:00
Chris Lattner
fee3411379
trivial simplification
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20494 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 21:35:38 +00:00
Chris Lattner
decc86db0c
Fix a bug where we could corrupt a parent loop's header info if we unrolled
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a nested loop. This fixes Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
and PR532
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20493 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 20:57:32 +00:00
Chris Lattner
f1b4d1dee6
rename insertEntry to insert
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20484 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 05:55:40 +00:00
Chris Lattner
e4c872a8fa
Merge SymbolTable::removeEntry into SymbolTable::remove, its only caller
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20483 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 05:51:09 +00:00
Chris Lattner
c27aa8ddb2
Delete the really inefficient method: void remove(const Type* Typ);
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Speed up the symbol stripping code by avoiding a linear search of the
type table.
Get rid of removeEntry(type_iterator), since 'remove' is exactly the same
operation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20481 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 05:46:41 +00:00
Chris Lattner
82aa566795
Make this MUCH faster by avoiding a linear search in the symbol table code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20479 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 05:42:36 +00:00
Chris Lattner
a98cbe57ea
Remove some really gross and hard to understand code now that
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InternallyInconsistent is always false.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20477 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 05:21:40 +00:00
Chris Lattner
ee4da939b0
Simplify some code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20476 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 05:13:42 +00:00
Chris Lattner
921c565888
remove these methods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20474 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 02:37:47 +00:00
Chris Lattner
af4a9bb2ba
simplify and speed up some code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20472 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 02:32:00 +00:00
Chris Lattner
b15fde2b78
simplify some code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20471 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 02:28:23 +00:00
Chris Lattner
04cb800c32
This fixes PR531, a crash when running the CBE on a bytecode file.
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The problem is that Function::renameLocalSymbols is iterating through
the symbol table planes, occasionally calling setName to rename a value
(which used to do a symbol table remove/insert pair).
The problem is that if there is only a single value in a particular type
plane that the remove will nuke the symbol table plane, and the insert
will create and insert a new one. This hoses Function::renameLocalSymbols
because it has an iterator to the old plane, under the (very reasonable)
assumption that simply renaming a value won't cause the type plane to
disappear.
This patch fixes the bug by making the rename operation a single atomic
operation, which has a side effect of making the whole thing faster too. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20469 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 02:14:28 +00:00
Jeff Cohen
e43dd1b8e7
Reformat comments to fix 80 columns.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20467 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 22:45:40 +00:00
Jeff Cohen
b21bf9a8d5
Reuse induction variables created for strength-reduced GEPs by other similar GEPs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20466 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 22:40:34 +00:00
Chris Lattner
0d1e40728d
remove all of the various setName implementations, consolidating them into
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Value::setName, which is no longer virtual.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20464 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:51:50 +00:00
Chris Lattner
7acff25f7f
second argument to Value::setName is now gone.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20463 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:05:20 +00:00
Chris Lattner
3267265d78
Make sure the two arguments of a setcc instruction point to the same node.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20462 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:04:31 +00:00
Chris Lattner
262bb9ae5e
zap
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20461 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:04:07 +00:00
Chris Lattner
8e1b8473eb
2nd arg to setName goes away.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20460 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:02:15 +00:00
Chris Lattner
ffdb920ec2
Constants never get names.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20459 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:01:59 +00:00
Chris Lattner
18221ed507
Remove the 2nd argument to Value::setName
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20458 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 19:01:49 +00:00
Chris Lattner
569d54d4fa
don't break the build on 32-bit hosts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20455 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 17:47:38 +00:00
Andrew Lenharth
3ee6041ab3
fix data size stuff for architectures with bit challenged data types
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20453 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-05 15:30:33 +00:00
Chris Lattner
8b9081081b
Do not compute 1ULL << 64, which is undefined. This fixes Ptrdist/ks on the
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sparc, and testcase Regression/Transforms/InstCombine/2005-03-04-ShiftOverflow.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20445 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-04 23:21:33 +00:00
Andrew Lenharth
f69a98cea3
fix up stack pointer adjustments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20442 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-04 21:40:02 +00:00
Chris Lattner
f57cc3b7e2
Trivial cleanup patch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20436 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-04 20:27:46 +00:00
Andrew Lenharth
3381913322
fix FCMOVxx typo, set rem and div to hardcode target reg to be the same as the one the assembler uese, update ISel to put values in regs used by assembler for rem and div
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20434 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-04 20:09:23 +00:00
Jeff Cohen
2f3c9b7562
Add support for not strength reducing GEPs where the element size is a small
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power of two. This emphatically includes the zeroeth power of two.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20429 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-04 04:04:26 +00:00
Andrew Lenharth
8d46a268c5
turn on IEEE for compares
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20425 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-03 22:12:11 +00:00
Andrew Lenharth
4585969e87
beter Select on FP
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20424 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-03 21:47:53 +00:00
Chris Lattner
6d9b69fd5f
Print -X like this:
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double test(double l1_X) {
return (-l1_X);
}
instead of like this:
double test(double l1_X) {
return (-0x0p+0 - l1_X);
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20423 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-03 21:12:04 +00:00
Andrew Lenharth
f3f475efee
LSR cleanup patch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20422 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-03 19:03:21 +00:00
Chris Lattner
f7fe494c19
Do not lower malloc's to pass "sizeof" expressions like this:
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ltmp_0_7 = malloc(((unsigned )(&(((signed char (*)[784])/*NULL*/0)[1u]))));
Instead, just emit the literal constant, like this:
ltmp_0_7 = malloc(784u);
This works around a bug in ICC 8.1 compiling the CBE generated code. :-(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20415 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-03 01:04:50 +00:00
Chris Lattner
5f792c2c53
Add an optional argument to lower to a specific constant value instead of
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to a "sizeof" expression.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20414 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-03 01:03:43 +00:00
Misha Brukman
0fbd914362
Fix the spelling of the word `the'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20412 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 23:17:31 +00:00
Chris Lattner
31ab1b3d74
Print the module ID as a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20411 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 23:12:40 +00:00
Chris Lattner
4318a3d0e9
cleanup the cfg after lsr
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20410 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 21:56:00 +00:00
Andrew Lenharth
74d00d860e
remove 32 sign extend after 32 sextload and handle small negative constant
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20408 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 17:23:03 +00:00
Andrew Lenharth
e4f161c909
Added LSR as a beta pass for alpha
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20407 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 17:21:38 +00:00
Chris Lattner
0c7490617a
Add a temporary option for llc-beta: -enable-lsr-for-ppc, which turns on
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Loop Strength Reduction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20399 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 06:19:22 +00:00
Reid Spencer
1af69a8131
Be slightly more accurate in an error message.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20397 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 05:45:56 +00:00
Chris Lattner
ded3613fef
Fix a nasty order of evaluation bug that Gabor Greif ran into. Here's an
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explanation from IRC:
|sabre| I think it's an order of evaluation thing
|sabre| for me, the RHS of the assignment is evaluated first
|sabre| getTypeDescription checks to see if ConcreteTypeDescription[Ty] contains anything
|sabre| since it doesn't, it computes and returns the value
|sabre| this gets put into the map.
|sabre| For you, the LHS is evaluated first.
|sabre| Map[Ty] (aka ConcreteTypeDescriptions[Ty]) inserts an empty string into the map, returning a reference
|sabre| getTypeDesc then sees the empty string in the map
|sabre| and returns it
|sabre| bork :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20394 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-02 03:54:43 +00:00
Jeff Cohen
0456e4a079
Fixed the following LSR bugs:
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* Loop invariant code does not dominate the loop header, but rather
the end of the loop preheader.
* The base for a reduced GEP isn't a constant unless all of its
operands (preceding the induction variable) are constant.
* Allow induction variable elimination for the simple case after all.
Also made changes recommended by Chris for properly deleting
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20383 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-01 03:46:11 +00:00
Alkis Evlogimenos
d0656fc94d
Lower llvm.isunordered(a, b) into a != a | b != b.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20382 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-01 02:07:58 +00:00
Chris Lattner
ca76f357b9
Remove tabs from file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20380 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 19:36:15 +00:00
Chris Lattner
33e9d29b3b
Add support to the C backend for llvm.prefetch. Patch contributed by
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Justin Wick!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20378 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 19:29:46 +00:00
Chris Lattner
edac2d1a80
recognize llvm.prefetch. Patch contributed by Justin Wick!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20377 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 19:28:00 +00:00
Chris Lattner
6f72282e02
Verify llvm.prefetch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20376 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 19:27:42 +00:00
Chris Lattner
0942b7caf1
Lower prefetch to a noop, patch contributed by Justin Wick!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20375 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 19:27:23 +00:00
Andrew Lenharth
e699e95571
fix integer division and stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20372 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 17:22:18 +00:00
Jeff Cohen
14dc638081
Fix crash in LSR due to attempt to remove original induction variable. However,
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for reasons explained in the comments, I also deactivated this code as it needs
more thought.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20367 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-28 00:08:56 +00:00
Jeff Cohen
5e1e5e13ff
PHI nodes were incorrectly placed when more than one GEP is reduced in a loop.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20360 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 21:08:04 +00:00
Jeff Cohen
f465db6c6a
First pass at improved Loop Strength Reduction. Still not yet ready for prime time.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20358 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 19:37:07 +00:00
Chris Lattner
3e27952a8b
Use const iterators where possible. Patch by Evan Jones!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20354 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 19:06:10 +00:00
Chris Lattner
35c81b0b12
Teach globalopt how memset/cpy/move affect memory, to allow better optimization.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20352 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 18:58:52 +00:00
Chris Lattner
da895d6337
Fix spelling, patch contributed by Gabor Greif!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20343 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 06:18:25 +00:00
Chris Lattner
f8db8a0432
Fix spelling, patch contributed by Gabor Greif
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20342 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 06:15:51 +00:00
Chris Lattner
e56509c697
Remove some stuff I checked in accidentally
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20340 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-27 04:32:35 +00:00
Chris Lattner
7192e501eb
DCE a dead function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20339 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-26 23:36:45 +00:00
Reid Spencer
eaa06bb979
Implement an isBytecodeArchive method to determine if an archive contains
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bytecode file members or not.
Patch Contributed By Adam Treat
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20338 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-26 22:00:32 +00:00
Chris Lattner
7ffc07dcf7
1 + 100 + 51 == 152, not 52.
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If we fold three constants together (c1+c2+c3), make sure to keep
LHSC updated, instead of reusing (in this case), the 1 instead of the
partial sum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20337 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-26 18:50:19 +00:00
Chris Lattner
be54dcc8a9
remove extraneous cast
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20334 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-26 18:33:28 +00:00
Andrew Lenharth
2b6c4f554b
make BB labels be exported for debuging, add fp negation optimization, further pecimise the FP instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20332 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-25 22:55:15 +00:00
Chris Lattner
6e84bd7d59
Handle null a bit more carefully.
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Actually teach dsa about select instructions. This doesn't affect the
graph in any way other than not setting a spurious U marker on pointer
nodes that are selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20324 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-25 01:27:48 +00:00
Chris Lattner
753b113cdf
This instruction:
...
X = gep null, ...
Used to not create a scalar map entry for X, which caused clients to barf.
This is bad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20316 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 19:55:31 +00:00
Chris Lattner
d7642c4f2d
Fix a bug introduced by revision 1.187 of this file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20308 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 18:48:07 +00:00
Andrew Lenharth
016947578f
fix Allocas. Really. I mean it this time.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20306 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 18:36:32 +00:00
Chris Lattner
aab1820816
Fix some problems where the verifier would crash on invalid input instead of
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reporting the problem and exiting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20302 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 16:58:29 +00:00
Chris Lattner
623369ac56
Implement Transforms/SimplifyCFG/switch_thread.ll
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This does a simple form of "jump threading", which eliminates CFG edges that
are provably dead. This triggers 90 times in the external tests, and
eliminating CFG edges is always always a good thing! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20300 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 06:17:52 +00:00
Chris Lattner
d1a326006d
switch instructions only allow constantints for their values, be more specific.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20298 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 05:32:09 +00:00
Chris Lattner
7e6182319d
use more specific cast.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20297 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 05:26:04 +00:00
Chris Lattner
69331f5726
add more checking
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20296 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 05:25:17 +00:00
Chris Lattner
83beacddc9
Do not read free'd memory when printing an error message.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20295 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 04:59:49 +00:00
Chris Lattner
ad993cbb77
add a new method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20293 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 02:37:26 +00:00
Tanya Lattner
00aaadf9f0
Only print out machine instructions before modulo scheduling if we are actually doing modulo scheduling! :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20292 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-24 02:14:44 +00:00
Andrew Lenharth
3a7118d7da
Ah the problems you have to fix when you stray from the One True Way (TM)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20290 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-23 17:33:42 +00:00
Chris Lattner
1f21ef1511
make this more efficient. Scan up to 16 nodes, not the whole list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20289 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-23 16:53:04 +00:00
Chris Lattner
8daf056c90
new method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20288 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-23 16:51:11 +00:00
Chris Lattner
35f0aecdb0
Reduce the amount of searching this assertion does. On a testcase of mine,
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this reduces the time for -simplifycfg in a debug build from 106s to 14.82s
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20286 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-23 07:09:08 +00:00
Chris Lattner
572dd08204
Silence some uninit variable warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20284 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-23 05:57:21 +00:00
Tanya Lattner
01b4abd348
Fixed bug in findAllcircuits. Fixed branch addition to schedule. Added debug information.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20280 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-23 02:01:42 +00:00
Andrew Lenharth
7bc47020f6
oops
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20278 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 23:29:25 +00:00
Chris Lattner
13d0108666
Remove use of bind_obj, deleter, and finegrainify namespacification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20277 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 23:27:21 +00:00
Chris Lattner
cfa2f8eef4
Remove use of bind_obj
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20276 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 23:22:58 +00:00
Chris Lattner
a08976b092
C++ is not a functional programming language.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20274 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 23:13:58 +00:00
Andrew Lenharth
032f235f02
dynamic stack allocas
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20273 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 21:59:48 +00:00
Chris Lattner
84734ce8ef
Fix a bug in the 'store fpimm, ptr' -> 'store intimm, ptr' handling code.
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Changing 'op' here caused us to not enter the store into a map, causing
reemission of the code!! In practice, a simple loop like this:
no_exit: ; preds = %no_exit, %entry
%indvar = phi uint [ %indvar.next, %no_exit ], [ 0, %entry ] ; <uint> [#uses=3]
%tmp.4 = getelementptr "complex long double"* %P, uint %indvar, uint 0 ; <double*> [#uses=1]
store double 0.000000e+00, double* %tmp.4
%indvar.next = add uint %indvar, 1 ; <uint> [#uses=2]
%exitcond = seteq uint %indvar.next, %N ; <bool> [#uses=1]
br bool %exitcond, label %return, label %no_exit
was being code gen'd to:
.LBBtest_1: # no_exit
movl %edx, %esi
shll $4, %esi
movl $0, 4(%eax,%esi)
movl $0, (%eax,%esi)
incl %edx
movl $0, (%eax,%esi)
movl $0, 4(%eax,%esi)
cmpl %ecx, %edx
jne .LBBtest_1 # no_exit
Note that we are doing 4 32-bit stores instead of 2. Now we generate:
.LBBtest_1: # no_exit
movl %edx, %esi
incl %esi
shll $4, %edx
movl $0, (%eax,%edx)
movl $0, 4(%eax,%edx)
cmpl %ecx, %esi
movl %esi, %edx
jne .LBBtest_1 # no_exit
This is much happier, though it would be even better if the increment of ESI
was scheduled after the compare :-/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20265 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 07:23:39 +00:00
Andrew Lenharth
97f7735125
no longer build as a shared library
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20264 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-22 04:58:26 +00:00
Chris Lattner
6943570f3a
Fix problems running the HowToUseJIT on powerpc, and probably problems with
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ANY program that does not have all functions internalized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20258 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-20 18:43:35 +00:00
Jeff Cohen
45a1b26caa
Fix silly mistake.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20256 91177308-0d34-0410-b5e6-96231b3b80d8
2005-02-20 02:48:51 +00:00