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Author SHA1 Message Date
Dan Gohman
9bd8a566eb Add explicit triples to avoid default behavior that varies by host. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41510 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 20:54:48 +00:00
David Greene
f1355a55f8 Update InvokeInst to work like CallInst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41506 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 19:04:21 +00:00
Rafael Espindola
44c8265cf8 Add a comment about using libc memset/memcpy or generating inline code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41502 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 17:48:26 +00:00
Duncan Sands
56fe9b7396 Remove this test as it is too hard to fix after the 
latest EH changes, and in any case it is hard to
imagine how the original bug could be reintroduced.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41497 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 17:08:14 +00:00
Duncan Sands
d58cf12382 Fix this test: llvm-gcc-4.2 optimizes almost everything away, 
resulting in zero matches, while llvm-gcc-4.1 manages to
remove one pointless selector changing the number of matches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41494 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 16:47:32 +00:00
Dan Gohman
e9c8fa095e Make DAGCombiner's global alias analysis query more precise in the case 
where both pointers have non-zero offsets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41491 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 16:32:11 +00:00
Duncan Sands
e22814b0a8 Now that we don't output cleanups by default, the action 
offset needs to be adjusted in this test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41490 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 16:30:05 +00:00
Dan Gohman
5f43f92c69 If the source and destination pointers in an llvm.memmove are known 
to not alias each other, it can be translated as an llvm.memcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41489 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 16:26:13 +00:00
Dan Gohman
e3784951af Change comments to refer to @malloc and @free instead of %malloc and %free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 16:11:48 +00:00
Duncan Sands
6590b0457c There is an impedance matching problem between LLVM and 
gcc exception handling: if an exception unwinds through
an invoke, then execution must branch to the invoke's
unwind target.  We previously tried to enforce this by
appending a cleanup action to every selector, however
this does not always work correctly due to an optimization
in the C++ unwinding runtime: if only cleanups would be
run while unwinding an exception, then the program just
terminates without actually executing the cleanups, as
invoke semantics would require.  I was hoping this
wouldn't be a problem, but in fact it turns out to be the
cause of all the remaining failures in the LLVM testsuite
(these also fail with -enable-correct-eh-support, so turning
on -enable-eh didn't make things worse!).  Instead we need
to append a full-blown catch-all to the end of each
selector.  The correct way of doing this depends on the
personality function, i.e. it is language dependent, so
can only be done by gcc.  Thus this patch which generalizes
the eh.selector intrinsic so that it can handle all possible
kinds of action table entries (before it didn't accomodate
cleanups): now 0 indicates a cleanup, and filters have to be
specified using the number of type infos plus one rather than
the number of type infos.  Related gcc patches will cause
Ada to pass a cleanup (0) to force the selector to always
fire, while C++ will use a C++ catch-all (null).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41484 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 15:47:50 +00:00
Dan Gohman
81975f6dfd Add explicit keywords and remove spurious trailing semicolons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 14:50:10 +00:00
Rafael Espindola
6b83b5d1ae call libc memcpy/memset if array size is bigger then threshold. 
Coping 100MB array (after a warmup) shows that glibc 2.6.1 implementation on
x86-64 (core 2) is 30% faster (from 0.270917s to 0.188079s)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41479 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 10:18:20 +00:00
Anton Korobeynikov
9f528e6280 Don't promote volatile loads/stores. This is needed (for example) to handle setjmp/longjmp properly. 
This fixes PR1520.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41461 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-26 21:43:30 +00:00
Owen Anderson
5dfcf4318a Don't DSe volatile stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41456 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-26 21:14:47 +00:00
Dale Johannesen
e6c1742914 Revise per review comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41409 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-26 01:18:27 +00:00
Dale Johannesen
87503a63d5 Add APFloat interface to ConstantFPSDNode. Change 
over uses in DAGCombiner.  Fix interfaces to work
with APFloats.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41407 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 22:10:57 +00:00
Devang Patel
d79faee69a Move exit condition and exit branch from exiting block into loop header and dominator info. This avoid execution of dead iteration. Loop is already filter in the beginning such that this change is safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41394 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 02:39:24 +00:00
Devang Patel
be97c986e1 Constant split values needs upper bound and lower bound check, just like any other split value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41389 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 01:09:14 +00:00
Chris Lattner
09ec1b0583 Allow target constants to be illegal types. The target should 
know how to handle them.  This fixes 
test/CodeGen/Generic/asm-large-immediate.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41388 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 01:00:22 +00:00
Devang Patel
4a69da9cb0 While calculating upper loop bound for first loop and lower loop bound for second loop, take care of edge cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41387 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:56:38 +00:00
Chris Lattner
7df31dc89b Teach the dag scheduler to handle inline asm nodes with multi-value immediate operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41386 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:53:07 +00:00
Bill Wendling
cf4bb317ef The personality function might need to be declared as: 
.set  Lset0,___gxx_personality_v0-.
    .long Lset0

on some targets. Make it so!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41385 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:51:55 +00:00
Chris Lattner
48884cd80b rename isOperandValidForConstraint to LowerAsmOperandForConstraint, 
changing the interface to allow for future changes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:47:38 +00:00
Dale Johannesen
21dcae17f5 Comment out declaration of operator== (undefined). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41383 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:40:41 +00:00
Neil Booth
3e025dca7f Test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41382 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:36:22 +00:00
Neil Booth
0b061363e3 Add self 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41381 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:31:24 +00:00
Tanya Lattner
5efa7e9c96 Rename llvm-gcc4 to llvm-gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 23:23:23 +00:00
Dale Johannesen
12595d7b16 Poison APFloat::operator==. Replace existing uses with bitwiseIsEqual. 
This means backing out the preceding change to Constants.cpp, alas.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41378 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 22:09:56 +00:00
Dale Johannesen
8bb369b807 Use APFloat internally for ConstantFPSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 20:59:15 +00:00
Chris Lattner
cd406fe123 sink clone() down the class hierarchy from CmpInst into ICmpInst/FCmpInst. 
This eliminates a conditional on that path, and ensures ICmpInst/FCmpInst
both have an out-of-line virtual method to home the class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 20:48:18 +00:00
Devang Patel
7097e9a710 Fix regression that I caused yesterday night while adding logic to select appropriate split condition branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41365 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 19:32:26 +00:00
Chris Lattner
90e167a908 Disable EH generation until PPC works 100%. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41360 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 16:00:15 +00:00
Chris Lattner
b23f4c5f44 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 15:17:59 +00:00
Devang Patel
4259fe3281 It is not safe to execute split condition's true branch first all the time. If split 
condition predicate is GT or GE then execute false branch first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41358 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 06:17:19 +00:00
Devang Patel
c830aee8e8 Reject ICMP_NE as index split condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41357 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 06:02:25 +00:00
Devang Patel
b88e4200cf Tightenup loop filter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 05:36:56 +00:00
Devang Patel
7237d1167a Remove incomplete cost analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41354 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 05:21:13 +00:00
Dale Johannesen
d3b51fd170 Revised per review feedback from previous patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 05:08:11 +00:00
Chris Lattner
ada530b4f5 silence some warnings in an optimized build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 03:02:34 +00:00
Dale Johannesen
343e770983 Change internal representation of ConstantFP to use APFloat. 
Interface to rest of the compiler unchanged, as yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 00:56:33 +00:00
Duncan Sands
57e4785123 Fix this testcase: there are two matches for 
llvm.cttz.i64 because of the declaration of
the intrinsic.  Also, emit-llvm is automatic
and doesn't need to be specified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41326 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 17:22:50 +00:00
Chris Lattner
9e43d6316f add some notes on really poor codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 15:22:07 +00:00
Chris Lattner
aabd0359a3 new example 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 15:16:03 +00:00
Anton Korobeynikov
2f597bd09e Perform correct codegen for eh_dwarf_cfa intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 07:21:06 +00:00
Chris Lattner
006f5a3c66 default this to radix 10 like the toString(Un)Signed methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41311 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 05:21:48 +00:00
Chris Lattner
028760fd88 Avoid hiding issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41310 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 05:20:48 +00:00
Chris Lattner
9132a2b818 rename APInt::toString -> toStringUnsigned for symmetry with toStringSigned() 
Add an APSInt::toString() method.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-23 05:15:32 +00:00
Duncan Sands
c00c2baf48 Implement review feedback on trampoline documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41304 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-22 23:39:54 +00:00
Devang Patel
40fc353a0d Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41295 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-22 21:07:41 +00:00
Devang Patel
a24d918063 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41292 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-22 20:55:18 +00:00