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llvm-mirror/test/CodeGen/Generic
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Simon Pilgrim 8e3c60968e Fix constant folding of fp2int to large integers 
We make the assumption in most of our constant folding code that a fp2int will target an integer of 128-bits or less, calling the APFloat::convertToInteger with only uint64_t[2] of raw bits for the result.

Fuzz testing (PR24662) showed that we don't handle other cases at all, resulting in stack overflows and all sorts of crashes.

This patch uses the APSInt version of APFloat::convertToInteger instead to better handle such cases.

Differential Revision: https://reviews.llvm.org/D31074

llvm-svn: 298226
2017-03-19 16:50:25 +00:00
..
2002-04-14-UnexpectedUnsignedType.ll
…
2002-04-16-StackFrameSizeAlignment.ll
…
2003-05-27-phifcmpd.ll
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2003-05-27-useboolinotherbb.ll
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2003-05-27-usefsubasbool.ll
…
2003-05-28-ManyArgs.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2003-05-30-BadFoldGEP.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2003-05-30-BadPreselectPhi.ll
…
2003-07-06-BadIntCmp.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2003-07-07-BadLongConst.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2003-07-08-BadCastToBool.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2003-07-29-BadConstSbyte.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
2004-05-09-LiveVarPartialRegister.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2005-01-18-SetUO-InfLoop.ll
…
2005-04-09-GlobalInPHI.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2005-10-18-ZeroSizeStackObject.ll
…
2005-10-21-longlonggtu.ll
…
2005-12-01-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2005-12-12-ExpandSextInreg.ll
…
2006-01-12-BadSetCCFold.ll
…
2006-01-18-InvalidBranchOpcodeAssert.ll
…
2006-02-12-InsertLibcall.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-03-01-dagcombineinfloop.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-04-26-SetCCAnd.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-04-28-Sign-extend-bool.ll
…
2006-05-06-GEP-Cast-Sink-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2006-06-12-LowerSwitchCrash.ll
…
2006-06-13-ComputeMaskedBitsCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-06-28-SimplifySetCCCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-07-03-schedulers.ll
…
2006-08-30-CoalescerCrash.ll
…
2006-09-02-LocalAllocCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2006-09-06-SwitchLowering.ll
…
2006-10-27-CondFolding.ll
…
2006-10-29-Crash.ll
…
2006-11-20-DAGCombineCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2007-01-15-LoadSelectCycle.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2007-02-25-invoke.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2007-04-08-MultipleFrameIndices.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
2007-04-13-SwitchLowerBadPhi.ll
don't have i386-specific tests in CodeGen/Generic, PR6601.
2010-03-14 18:51:18 +00:00
2007-04-17-lsr-crash.ll
…
2007-04-27-InlineAsm-X-Dest.ll
Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call
2014-02-13 14:44:26 +00:00
2007-04-27-LargeMemObject.ll
Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call
2014-02-13 14:44:26 +00:00
2007-04-30-LandingPadBranchFolding.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2007-05-03-EHTypeInfo.ll
CodeGen: @llvm.eh.typeid.for replaced @llvm.eh.typeid.for.i32
2015-03-16 21:36:38 +00:00
2007-05-15-InfiniteRecursion.ll
…
2007-12-17-InvokeAsm.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
2007-12-31-UnusedSelector.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2008-01-25-dag-combine-mul.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2008-01-30-LoadCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2008-02-04-Ctlz.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2008-02-04-ExtractSubvector.ll
…
2008-02-20-MatchingMem.ll
Unxfail passing test on Hexagon
2015-03-12 20:38:10 +00:00
2008-02-25-NegateZero.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2008-02-26-NegatableCrash.ll
…
2008-08-07-PtrToInt-SmallerInt.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2009-03-17-LSR-APInt.ll
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
2015-09-11 03:22:04 +00:00
2009-03-29-SoftFloatVectorExtract.ll
Migrate existing backends that care about software floating point
2015-05-12 01:26:05 +00:00
2009-04-10-SinkCrash.ll
…
2009-04-28-i128-cmp-crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2009-11-16-BadKillsCrash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2010-07-27-DAGCombineCrash.ll
Fix a crash in the dag combiner caused by ConstantFoldBIT_CONVERTofBUILD_VECTOR calling itself
2010-07-27 18:02:18 +00:00
2010-11-04-BigByval.ll
PR11004: Inline memcpy to avoid generating nested call sequence. Un-XFAIL 2011-06-09-TailCallByVal and 2010-11-04-BigByval
2011-09-26 06:13:20 +00:00
2010-ZeroSizedArg.ll
Remove arm_apcscc from the test files. It is the default and doing this
2010-06-17 15:18:27 +00:00
2011-01-06-BigNumberCrash.ll
Add a testcase for PR8582, which mysteriously fixed itself, in case the problem
2011-01-06 23:04:29 +00:00
2011-07-07-ScheduleDAGCrash.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
2012-06-08-APIntCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2013-03-20-APFloatCrash.ll
Add a test case for PR15318 fixed in r177472
2013-03-20 06:18:06 +00:00
2014-02-05-OpaqueConstants.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
add-with-overflow-24.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
add-with-overflow-128.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
add-with-overflow.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
addr-label.ll
Fix PR6673: updating the callback should not clear the map.
2010-03-22 23:15:57 +00:00
annotate.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
APIntLoadStore.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
APIntParam.ll
…
APIntSextParam.ll
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APIntZextParam.ll
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asm-large-immediate.ll
Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call
2014-02-13 14:44:26 +00:00
assume.ll
Add @llvm.assume, lowering, and some basic properties
2014-07-25 21:13:35 +00:00
badarg6.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
badCallArgLRLLVM.ll
…
badFoldGEP.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
BasicInstrs.ll
…
bool-to-double.ll
…
builtin-expect.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
call2-ret0.ll
…
call-ret0.ll
…
call-ret42.ll
…
call-void.ll
…
cast-fp.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
cfi-sections.ll
PR 31534: When emitting both DWARF unwind tables and debug information,
2017-01-05 20:55:28 +00:00
ConstantExprLowering.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
constindices.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
dag-combine-crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
dbg_value.ll
DI: Require subprogram definitions to be distinct
2015-08-28 20:26:49 +00:00
div-neg-power-2.ll
…
donothing.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
dont-remove-empty-preheader.ll
Add missing test for the "Don't delete empty preheaders" added in r265397
2016-04-05 14:21:32 +00:00
edge-bundles-blockIDs.ll
Don't run RAFast in the optimizing regalloc pipeline.
2012-06-08 23:15:12 +00:00
empty-insertvalue.ll
Fix crash with an insertvalue that produces an empty object.
2014-09-20 00:10:47 +00:00
empty-load-store.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
empty-phi.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
exception-handling.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
externally_available.ll
Do not verify MachimeDominatorTree if it is not calculated
2017-03-02 12:00:10 +00:00
fastcall.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
fneg-fabs.ll
…
ForceStackAlign.ll
Revert "Change memcpy/memset/memmove to have dest and source alignments."
2015-11-19 05:56:52 +00:00
fp_to_int.ll
…
fp-to-int-invalid.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
fpowi-promote.ll
make target independent.
2010-02-09 06:36:30 +00:00
fwdtwice.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
global-ret0.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
hello.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
i128-addsub.ll
…
i128-arith.ll
…
icmp-illegal.ll
Remove an empty line in icmp-illegal.ll . NFC
2017-02-27 16:09:44 +00:00
inline-asm-mem-clobber.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
inline-asm-special-strings.ll
Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call
2014-02-13 14:44:26 +00:00
intrinsics.ll
Add -O0 support for @llvm.invariant.group.barrier by discarding it if it gets to ISel.
2016-11-07 16:47:20 +00:00
invalid-memcpy.ll
Revert "Change memcpy/memset/memmove to have dest and source alignments."
2015-11-19 05:56:52 +00:00
isunord.ll
…
lit.local.cfg
Make the default triple optional by allowing an empty string
2015-09-16 05:34:32 +00:00
llc-start-stop.ll
llc: Add -start-before/-stop-before options
2016-09-23 21:46:02 +00:00
llvm-ct-intrinsics.ll
Manually upgrade the test suite to specify the flag to cttz and ctlz.
2011-12-12 11:59:10 +00:00
MachineBranchProb.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
multiple-return-values-cross-block-with-invoke.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
negintconst.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
nested-select.ll
…
no-target.ll
Fix pr18235.
2013-12-13 16:05:32 +00:00
overflow.ll
add a general coverage test for overflow intrinsics.
2010-12-19 20:01:13 +00:00
overloaded-intrinsic-name.ll
Only run the overloaded-intrinsic-name.ll test once, with FileCheck.
2017-03-01 01:56:41 +00:00
PBQP.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
pr2625.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr3288.ll
…
pr12507.ll
Don't try to zExt just to check if an integer constant is zero, it might
2012-04-10 00:16:22 +00:00
pr24662.ll
Fix constant folding of fp2int to large integers
2017-03-19 16:50:25 +00:00
print-add.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
print-after.ll
CommandLine: Exit successfully for -version and -help
2014-02-28 19:08:01 +00:00
print-arith-fp.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
print-arith-int.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
print-int.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
print-machineinstrs.ll
Rename argument strings of codegen passes to avoid collisions with command line
2014-12-13 04:52:04 +00:00
print-mul-exp.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
print-mul.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
print-shift.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
ptr-annotate.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
ret0.ll
…
ret42.ll
…
select-cc.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
select.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
shift-int64.ll
…
stacksave-restore.ll
…
storetrunc-fp.ll
…
switch-lower-feature.ll
merge two tests, make target independent.
2010-02-09 06:19:20 +00:00
switch-lower.ll
…
trap.ll
…
undef-phi.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
v-split.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
vector-casts.ll
whitespace tidyup. NFC.
2015-07-03 08:02:12 +00:00
vector-constantexpr.ll
…
vector-identity-shuffle.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
vector-redux.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
vector.ll
[AVR] XFAIL a set of failing CodeGen tests
2017-02-08 10:24:18 +00:00
zero-sized-array.ll
Make codegen able to handle values of empty types. This is one way
2011-05-13 15:18:06 +00:00