Chris Lattner
c5f52e6da1
Move the ConstantFoldLoadThroughGEPConstantExpr function out of the InstCombine
...
pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23444 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 05:27:10 +00:00
Chris Lattner
c5406b55d5
add a new function
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23443 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 05:26:32 +00:00
Chris Lattner
562a055ca7
add a comment
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23442 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 05:16:34 +00:00
Chris Lattner
04de1cfb2b
Add support for getelementptr, load, and correctly reject volatile stores.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23441 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 05:15:37 +00:00
Chris Lattner
d44b0ff038
add a test for load
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23440 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 05:14:48 +00:00
Chris Lattner
cdf98bed96
Add support for br/brcond/switch and phi
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23439 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 04:57:38 +00:00
Chris Lattner
44b19f2bcb
add another testcase with simple control flow
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23438 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 04:57:10 +00:00
Chris Lattner
79c1101947
Add a simple interpreter to this code, allowing us to statically evaluate
...
global ctors that are simple enough. This implements ctor-list-opt.ll:CTOR2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23437 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 04:44:35 +00:00
Chris Lattner
1fcfe32e51
make this harder: put some code into it
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23436 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 04:43:01 +00:00
Chris Lattner
db973e60ce
factor some code into a InstallGlobalCtors method, add comments. No functionality change.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23435 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 02:31:18 +00:00
Chris Lattner
7d8e58f384
Make the global opt optimizer work on modules with a null terminator, by
...
accepting the null even with a non-65535 init prio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23434 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 02:19:27 +00:00
Chris Lattner
b1ab458047
Factor this code out into a few methods.
...
Implement the start of global ctor optimization. It is currently smart
enough to remove the global ctor for cases like this:
struct foo {
foo() {}
} x;
... saving a bit of startup time for the program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23433 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 01:43:45 +00:00
Chris Lattner
09eec56af0
new testcase for static ctor list optimizations
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23432 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 01:42:03 +00:00
Jeff Cohen
a48283baa3
Fix VC++ build errors.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23431 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-25 19:04:43 +00:00
Chris Lattner
aebac50e77
Fix some logic I broke that caused a regression on
...
SimplifyLibCalls/2005-05-20-sprintf-crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23430 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-25 07:06:48 +00:00
Chris Lattner
5931c54e85
Move MaskedValueIsZero up.
...
Match a bunch of idioms for sign extensions, implementing InstCombine/signext.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23428 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 23:43:33 +00:00
Chris Lattner
8a11da021b
All of these should turn into sign extends (e.g. extsh/extsb on PPC)
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23427 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 23:42:18 +00:00
Chris Lattner
a58ef7b652
Add long-overdue helpers for getting constants with known upper bits
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23426 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 22:57:28 +00:00
Chris Lattner
5d735bf29b
Simplify this code a bit by relying on recursive simplification. Support
...
sprintf("%s", P)'s that have uses.
s/hasNUses(0)/use_empty()/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23425 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 22:17:06 +00:00
Chris Lattner
397fa21f27
Enhance this to check for a crash, add a case that crashes simplifylibcalls,
...
and add a case that has uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23424 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 22:16:04 +00:00
Chris Lattner
d4f43519c2
new testcase that crashes the CFE
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23423 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 20:54:33 +00:00
Chris Lattner
5fada3b218
new testcase for PR630
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23422 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 08:38:28 +00:00
Chris Lattner
5b845c9443
Add support for a marker byte that indicates that we shouldn't add the user
...
prefix to a symbol name
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23421 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 08:24:28 +00:00
Chris Lattner
8baaa4f0b6
change proto slightly
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23420 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 08:23:53 +00:00
Chris Lattner
296dfe3b8a
memoize translations
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23419 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 00:50:51 +00:00
Chris Lattner
ea874f3306
Teach the dag isel generator how to construct arbitrary immediates. The
...
generated isel now tries li then lis, then lis+ori.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23418 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 00:41:58 +00:00
Chris Lattner
72fe91c4dd
Teach the DAG isel generator to emit code that creates nodes.
...
Fix a few corner cases parsing things like (i32 imm:$foo)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23417 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 00:40:24 +00:00
Chris Lattner
8fc3568d98
Emit better code (no more copies for var references), and support DAG patterns
...
(e.g. things like rotates).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23416 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 23:16:51 +00:00
Chris Lattner
547394ca38
Fix a fixme by passing around SDOperand's instead of SDNode*'s
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23415 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 21:53:45 +00:00
Chris Lattner
d1ff35a49d
Emit code that matches the incoming DAG pattern and checks predicates.
...
This does not check that types match yet, but PPC only has one integer type
;-).
This also doesn't have the code to build the resultant dag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23414 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 21:33:23 +00:00
Chris Lattner
3f7e91477e
emit information about the order patterns are to be matched.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23413 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 20:52:47 +00:00
Chris Lattner
813033248c
start filling in the switch stmt
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23412 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 19:36:15 +00:00
Chris Lattner
b60e0815df
remove some debugging code
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23411 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 18:49:09 +00:00
Chris Lattner
263d1e469d
Fold two consequtive branches that share a common destination between them.
...
This implements SimplifyCFG/branch-fold.ll, and is useful on ?:/min/max heavy
code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23410 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 18:47:20 +00:00
Chris Lattner
9a82a3ccac
new testcase
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23409 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 18:43:57 +00:00
Chris Lattner
055dc102e9
simplify some logic further
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23408 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 07:23:18 +00:00
Chris Lattner
f58c1a578e
pull a bunch of logic out of SimplifyCFG into a helper fn
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23407 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 06:39:30 +00:00
Chris Lattner
7c439929bc
speed up Archive::isBytecodeArchive in the case when the archive doesn't have
...
an llvm-ranlib symtab. This speeds up gccld -native on an almost empty .o file
from 1.63s to 0.18s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23406 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 06:22:58 +00:00
Chris Lattner
7b5634d213
Speed up isBytecodeLPath from 20s to .01s in common cases. This makes -native
...
not completely painful to use. Once we decide a directory has a bytecode
library, we know it this function returns true, no need to scan entire directories.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23405 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 06:11:24 +00:00
Chris Lattner
f394213021
1. Do not use .c_str() to keep a persistent handle on a temporary string.
...
2. Concatenate -lfoo and -L/bar options into a single option instead of
passing "-L /bar" (for example) which doesn't work on Darwin.
3. Send -v output to stderr instead of stdout
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23404 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 06:05:46 +00:00
Chris Lattner
5ae7911b24
Turn (X^C1) == C2 into X == C1^C2 iff X&~C1 = 0 (and move a function)
...
This happens all the time on PPC for bool values, e.g. eliminating a xori
in inverted-bool-compares.ll.
This should be added to the dag combiner as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23403 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 00:55:52 +00:00
Chris Lattner
e8033c00d6
new testcase
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23402 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 00:53:06 +00:00
Chris Lattner
77f800545e
Testcase for PR629
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23401 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-21 06:53:56 +00:00
Chris Lattner
3c3fe462f7
Expose the LiveInterval interfaces as public headers.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23400 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-21 04:19:09 +00:00
Chris Lattner
779a6513fe
move the live interval headers out of lib/CodeGen/
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23399 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-21 04:18:25 +00:00
Chris Lattner
e9967146ad
Recommend what I actually test
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23398 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-21 03:56:26 +00:00
Chris Lattner
e9487f0dc8
Start threading across blocks with code in them, so long as the code does
...
not define a value that is used outside of it's block. This catches many
more simplifications, e.g. 854 in 176.gcc, 137 in vpr, etc.
This implements branch-phi-thread.ll:test3.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23397 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-20 01:48:40 +00:00
Chris Lattner
055135d1c1
make this test harder: add a case where instructions are in the bb to be
...
threaded over
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23396 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-20 01:43:41 +00:00
Chris Lattner
2e42e36698
Implement merging of blocks with the same condition if the block has multiple
...
predecessors. This implements branch-phi-thread.ll::test1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23395 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-20 00:43:16 +00:00
Chris Lattner
ecd7b6d110
new testcase
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23394 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-20 00:41:55 +00:00