http://llvm.org/bugs/show_bug.cgi?id=2602
Summary: OOM in SCEV with polynomial induction variable
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED], [email protected]
Testcase:
int x(int); int a(void) {unsigned q=0,w=0,e=0; do {q+=w;w+=e;e+=1;x(q);} while
(q != 0xFFFFFFFF);}
crashes with OOM in llvm-gcc. The issue is in
SCEVAddRecExpr::getNumIterationsInRange.
I think Nick Lewycky said he would do this on IRC, but I don't want it to get
lost.
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