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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - opt -loop-vectorizer fails with Assertion `Ingredient2Recipe[I] != nullptr && "Ingredient doesn't have a recipe"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=44634">44634</a>
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<tr>
<th>Summary</th>
<td>opt -loop-vectorizer fails with Assertion `Ingredient2Recipe[I] != nullptr && "Ingredient doesn't have a recipe"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Loop Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mikael.holmen@ericsson.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23046" name="attach_23046" title="bbi-37904.ll reproducer">attachment 23046</a> <a href="attachment.cgi?id=23046&action=edit" title="bbi-37904.ll reproducer">[details]</a></span>
bbi-37904.ll reproducer
opt -loop-vectorize -S -o - bbi-37904.ll
hits an assertion
opt: ../lib/Transforms/Vectorize/VPRecipeBuilder.h:91: llvm::VPRecipeBase
*llvm::VPRecipeBuilder::getRecipe(llvm::Instruction *): Assertion
`Ingredient2Recipe[I] != nullptr && "Ingredient doesn't have a recipe"' failed.
Stack dump:
0. Program arguments: build-all-builtins/bin/opt -loop-vectorize -S -o -
bbi-37904.ll
1. Running pass 'Function Pass Manager' on module 'bbi-37904.ll'.
2. Running pass 'Loop Vectorization' on function '@g'
#0 0x0000000003e7dcf4 PrintStackTraceSignalHandler(void*)
(build-all-builtins/bin/opt+0x3e7dcf4)
#1 0x0000000003e7b8be llvm::sys::RunSignalHandlers()
(build-all-builtins/bin/opt+0x3e7b8be)
#2 0x0000000003e7e0fc SignalHandler(int)
(build-all-builtins/bin/opt+0x3e7e0fc)
#3 0x00007fce53a1a890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
#4 0x00007fce524c3e97 raise
/build/glibc-OTsEL5/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
#5 0x00007fce524c5801 abort /build/glibc-OTsEL5/glibc-2.27/stdlib/abort.c:81:0
#6 0x00007fce524b539a __assert_fail_base
/build/glibc-OTsEL5/glibc-2.27/assert/assert.c:89:0
#7 0x00007fce524b5412 (/lib/x86_64-linux-gnu/libc.so.6+0x30412)
#8 0x0000000003fcad96 llvm::VPRecipeBuilder::getRecipe(llvm::Instruction*)
(build-all-builtins/bin/opt+0x3fcad96)
#9 0x0000000003fc9483
llvm::LoopVectorizationPlanner::buildVPlanWithVPRecipes(llvm::VFRange&,
llvm::SmallPtrSetImpl<llvm::Value*>&,
llvm::SmallPtrSetImpl<llvm::Instruction*>&)
(build-all-builtins/bin/opt+0x3fc9483)
#10 0x0000000003fc36af
llvm::LoopVectorizationPlanner::buildVPlansWithVPRecipes(unsigned int, unsigned
int) (build-all-builtins/bin/opt+0x3fc36af)
#11 0x0000000003fc2f02 llvm::LoopVectorizationPlanner::plan(unsigned int)
(build-all-builtins/bin/opt+0x3fc2f02)
#12 0x0000000003fcdb56 llvm::LoopVectorizePass::processLoop(llvm::Loop*)
(build-all-builtins/bin/opt+0x3fcdb56)
#13 0x0000000003fd0b64 llvm::LoopVectorizePass::runImpl(llvm::Function&,
llvm::ScalarEvolution&, llvm::LoopInfo&, llvm::TargetTransformInfo&,
llvm::DominatorTree&, llvm::BlockFrequencyInfo&, llvm::TargetLibraryInfo*,
llvm::DemandedBits&, llvm::AAResults&, llvm::AssumptionCache&,
std::function<llvm::LoopAccessInfo const& (llvm::Loop&)>&,
llvm::OptimizationRemarkEmitter&, llvm::ProfileSummaryInfo*)
(build-all-builtins/bin/opt+0x3fd0b64)
#14 0x0000000003fd5588 (anonymous
namespace)::LoopVectorize::runOnFunction(llvm::Function&)
(build-all-builtins/bin/opt+0x3fd5588)
#15 0x00000000036fefd3 llvm::FPPassManager::runOnFunction(llvm::Function&)
(build-all-builtins/bin/opt+0x36fefd3)
#16 0x00000000036ff2b8 llvm::FPPassManager::runOnModule(llvm::Module&)
(build-all-builtins/bin/opt+0x36ff2b8)
#17 0x00000000036ff91d llvm::legacy::PassManagerImpl::run(llvm::Module&)
(build-all-builtins/bin/opt+0x36ff91d)
#18 0x0000000002095a93 main (build-all-builtins/bin/opt+0x2095a93)
#19 0x00007fce524a6b97 __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
#20 0x000000000207d02a _start (build-all-builtins/bin/opt+0x207d02a)
Abort (core dumped)
It starts failing with commit 9d24933f:
Recommit f0c2a5a "[LV] Generalize conditions for sinking instrs for first
order recurrences."</pre>
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