http://llvm.org/bugs/show_bug.cgi?id=18753
Bug ID: 18753
Summary: Assertion `currentLoop->isLCSSAForm(*DT)' failed.
Product: new-bugs
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
at r200919:
a;
b;
c[];
d;
e;
static
check_1minuseps () {
int f;
for (; sizeof 0; f++)
for (; d; d++)
for (; e; e++)
for (; a; a++) {
mpfr_prec_round (c[f]);
b || mpfr_equal_p ();
if (b) {
printf ("ia = %u\n", f);
exit (0);
}
}
}
main () {
check_1minuseps ();
}
clang -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 a.c
virtual bool {anonymous}::LoopUnswitch::runOnLoop(llvm::Loop*,
llvm::LPPassManager&): Assertion `currentLoop->isLCSSAForm(*DT)' failed.
test case reduced from mpfr-3.1.2
This is similar to http://llvm.org/bugs/show_bug.cgi?id=18688,
but happens after the fix.
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