https://llvm.org/bugs/show_bug.cgi?id=30952
Bug ID: 30952
Summary: [polly] Segfault in
polly::Scop::addLoopBoundsToHeaderDomain
Product: Polly
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Optimizer
Assignee: polly-...@googlegroups.com
Reporter: efrie...@codeaurora.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Testcase:
define void @f() {
a:
br i1 undef, label %c, label %b
b:
br label %d
c:
ret void
d:
switch i8 0, label %e [
i8 71, label %d
i8 56, label %d
]
e:
unreachable
}
Crashes with opt -polly-scops -polly-process-unprofitable.
The crash is on the line "int idx = BI->getSuccessor(0) != HeaderBB;" in
polly::Scop::addLoopBoundsToHeaderDomain.
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