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llvm-6502/test/Transforms/InstCombine
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Devang Patel 002e499650 It is OK to remove extra cast if operation is EQ/NE even though source 
and destination sign may not match but other conditions are met.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31056 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-19 20:59:13 +00:00
..
.cvsignore
Tired of wading through cvs's list ? files that are generated when building
2006-03-23 23:41:57 +00:00
2002-03-11-InstCombineHang.ll
…
2002-05-14-SubFailure.ll
…
2002-05-14-TouchDeletedInst.ll
…
2002-08-02-CastTest.ll
…
2002-09-17-GetElementPtrCrash.ll
…
2002-12-05-MissedConstProp.ll
…
2003-05-26-CastMiscompile.ll
…
2003-05-27-ConstExprCrash.ll
…
2003-06-05-BranchInvertInfLoop.ll
…
2003-06-22-ConstantExprCrash.ll
…
2003-07-21-ExternalConstant.ll
…
2003-08-12-AllocaNonNull.ll
…
2003-09-09-VolatileLoadElim.ll
…
2003-10-23-InstcombineNullFail.ll
…
2003-10-29-CallSiteResolve.ll
…
2003-11-03-VarargsCallBug.ll
…
2003-11-13-ConstExprCastCall.ll
…
2004-01-13-InstCombineInvokePHI.ll
…
2004-02-23-ShiftShiftOverflow.ll
…
2004-03-13-InstCombineInfLoop.ll
…
2004-04-04-InstCombineReplaceAllUsesWith.ll
…
2004-05-07-UnsizedCastLoad.ll
…
2004-07-27-ConstantExprMul.ll
*** empty log message ***
2004-07-27 20:50:02 +00:00
2004-08-09-RemInfLoop.llx
New testcase
2004-08-09 21:03:35 +00:00
2004-08-10-BoolSetCC.ll
New testcase that instcombine is getting wrong
2004-08-11 00:49:50 +00:00
2004-09-20-BadLoadCombine2.llx
Two testcases for invalid transformations that instcombine is doing
2004-09-20 10:14:27 +00:00
2004-09-20-BadLoadCombine.llx
Two testcases for invalid transformations that instcombine is doing
2004-09-20 10:14:27 +00:00
2004-09-28-BadShiftAndSetCC.llx
New testcase for a latent bug in instcombine that I have been chasing for
2004-09-28 17:50:05 +00:00
2004-11-22-Missed-and-fold.ll
This now works.
2005-01-01 16:12:52 +00:00
2004-11-27-SetCCForCastLargerAndConstant.ll
Fix bug in PR454 resolution. Added new test case.
2006-10-19 18:54:08 +00:00
2004-12-08-InstCombineCrash.ll
Fix this regression and remove the XFAIL from this test.
2004-12-08 23:10:30 +00:00
2004-12-08-RemInfiniteLoop.ll
This testcase causes the instruction combiner to go spiraling into
2004-12-08 22:18:35 +00:00
2005-03-04-ShiftOverflow.ll
Testcase for a bug that caused us to miscompile ptrdist/ks on sparc.
2005-03-04 23:20:46 +00:00
2005-04-07-UDivSelectCrash.ll
new testcase that crashes the instcombiner.
2005-04-08 03:58:21 +00:00
2005-06-15-DivSelectCrash.ll
new testcase for PR583
2005-06-16 04:55:29 +00:00
2005-06-15-ShiftSetCCCrash.ll
new testcase for PR577
2005-06-15 20:52:39 +00:00
2005-06-16-RangeCrash.ll
new testcase for PR585
2005-06-17 02:04:47 +00:00
2005-06-16-SetCCOrSetCCMiscompile.ll
new testcase for PR586
2005-06-17 03:58:30 +00:00
2005-07-07-DeadPHILoop.ll
New testcase distilled from a large chunk of code Misha sent me.
2005-07-07 20:39:45 +00:00
2006-02-07-SextZextCrash.ll
new testcase that caused instcombine to crash on 176.gcc last night.
2006-02-07 19:07:25 +00:00
2006-02-13-DemandedMiscompile.ll
testcase reduced from Ptrdist/bc that is miscompiled by recent instcombine changes.
2006-02-13 22:31:50 +00:00
2006-02-28-Crash.ll
new testcase
2006-02-28 19:46:56 +00:00
2006-03-30-ExtractElement.ll
new testcase that crashes instcombine
2006-03-30 22:01:08 +00:00
2006-04-01-InfLoop.ll
New testcase that caused instcombine to infinitely loop (with my recent
2006-04-01 22:04:40 +00:00
2006-04-28-ShiftShiftLongLong.ll
new testcase miscompiled by instcombine
2006-04-28 22:17:20 +00:00
2006-05-04-DemandedBitCrash.ll
new testcase that crashes the instcombine pass
2006-05-04 17:33:24 +00:00
2006-05-06-Infloop.ll
new testcase from ghostscript that inf looped instcombine
2006-05-06 08:58:06 +00:00
2006-05-10-InvalidIndexUndef.ll
The patch corresponding to this test had to be reverted as unsafe.
2006-05-25 21:25:54 +00:00
2006-06-28-infloop.ll
Infinite loop in instcombine that nate hit.
2006-06-28 17:34:28 +00:00
2006-09-11-EmptyStructCrash.ll
new testcase for PR905
2006-09-11 21:41:56 +00:00
2006-09-15-CastToBool.ll
Testcase for PR913
2006-09-16 03:13:22 +00:00
2006-10-19-SignedToUnsignedCastAndConst-2.ll
It is OK to remove extra cast if operation is EQ/NE even though source
2006-10-19 20:59:13 +00:00
2006-10-19-SignedToUnsignedCastAndConst.ll
Fix bug in PR454 resolution. Added new test case.
2006-10-19 18:54:08 +00:00
add.ll
new testcase I forgot to check in earlier
2006-03-05 23:53:04 +00:00
alloca.ll
…
and-or-and.ll
New testcase for common bitfield manipulation instruction sequences.
2005-01-01 16:14:18 +00:00
and.ll
new testcase
2006-02-13 23:07:02 +00:00
bit-tracking.ll
tweaks
2006-02-12 08:01:35 +00:00
bittest.ll
new testcase
2006-02-09 07:38:30 +00:00
bswap.ll
Add tests for 16-bit byteswaps.
2006-07-10 20:25:01 +00:00
call-cast-target.ll
can we cast between pointers and IntPtrType
2006-04-20 14:54:17 +00:00
call-intrinsics.ll
…
call.ll
…
canonicalize_branch.ll
…
cast_ptr.ll
Inspired by the linux kernel, the more we keep adds in the pointer realm, the better pointer analysis works.
2006-09-19 18:23:39 +00:00
cast-cast-to-and.ll
New testcases that we should combine.
2005-01-01 16:14:46 +00:00
cast-load-gep.ll
New testcase
2005-01-31 04:49:22 +00:00
cast-propagate.ll
…
cast-set.ll
…
cast.ll
new testcase, malloc should be promoted to [2 x double].
2006-10-01 19:39:45 +00:00
CPP_min_max.llx
New testcase for PR362: Icky code generated for std::min/std::max
2004-09-19 19:17:10 +00:00
deadcode.ll
New testcase, check that dead code doesn't pessimize instcombine
2006-05-10 18:56:04 +00:00
dg.exp
Added the ability to xfail based on llvmgcc version
2006-04-12 21:57:40 +00:00
div.ll
new testcases
2006-02-05 07:52:47 +00:00
GEPIdxCanon.ll
New testcase that instcombine should help out with.
2004-07-20 01:47:49 +00:00
getelementptr_cast.ll
New testcase
2004-11-27 17:55:20 +00:00
getelementptr_const.ll
…
getelementptr_index.ll
…
getelementptr-setcc.ll
More testcases
2005-01-14 00:26:25 +00:00
getelementptr.ll
new testcase
2005-05-01 04:41:57 +00:00
hoist_instr.ll
new testcase
2006-09-09 22:02:25 +00:00
IntPtrCast.ll
new testcase
2004-07-20 05:20:39 +00:00
JavaCompare.ll
New testcase that is important for the Java FE
2004-06-09 05:07:01 +00:00
load.ll
new testcase
2005-09-12 23:22:17 +00:00
malloc.ll
…
memmove.ll
New testcase for memmove -> memcpy transform
2004-10-12 04:51:55 +00:00
mul.ll
…
narrow.ll
This test passes now, remove xfail marker
2006-05-07 18:16:31 +00:00
not.ll
…
or.ll
new testcase
2006-02-26 19:55:30 +00:00
phi.ll
New testcase: the phi can be eliminated if the casts are sucked into it.
2004-11-14 19:12:17 +00:00
README.txt
…
rem.ll
add a couple more cases
2006-03-02 06:50:04 +00:00
select.ll
number test right
2006-09-19 06:19:19 +00:00
set.ll
new testcases
2006-02-27 02:36:19 +00:00
setcc-strength-reduce.ll
…
shift-sra.ll
New testcase, can be an srl instead of sra
2006-09-18 04:31:18 +00:00
shift.ll
Make these tests fail if opt crashes.
2006-02-12 01:32:58 +00:00
signext.ll
All of these should turn into sign extends (e.g. extsh/extsb on PPC)
2005-09-24 23:42:18 +00:00
sink_instruction.ll
new testcase
2004-12-08 23:41:16 +00:00
stacksaverestore.ll
new testcases for the stackrestore instcombine optimizations
2006-01-13 22:01:47 +00:00
store.ll
New testcase for trivial DSE
2006-05-26 19:18:40 +00:00
sub.ll
New testcases
2006-02-27 01:43:02 +00:00
vec_demanded_elts.ll
new testcase
2006-10-05 06:51:54 +00:00
vec_insert_to_shuffle.ll
This should turn into one vector shuffle instruction.
2006-04-27 21:13:58 +00:00
vec_narrow.ll
new testcase for vector narrowing.
2006-03-05 00:21:28 +00:00
vec_shuffle.ll
new testcase
2006-05-25 23:23:22 +00:00
xor.ll
new testcases
2006-04-01 08:02:51 +00:00
zeroext-and-reduce.ll
New testcases that we should combine.
2005-01-01 16:14:46 +00:00

README.txt 

This directory contains test cases for the instcombine transformation.  The
dated tests are actual bug tests, whereas the named tests are used to test
for features that the this pass should be capable of performing.