llvm-6502/test/Analysis/ScalarEvolution/2008-02-12-SMAXTripCount.ll
2010-01-26 19:25:59 +00:00

17 lines
366 B
LLVM

; RUN: opt < %s -scalar-evolution -analyze | grep {Loop %loop: backedge-taken count is (100 + (-100 smax %n))}
; PR2002
define void @foo(i8 %n) {
entry:
br label %loop
loop:
%i = phi i8 [ -100, %entry ], [ %i.inc, %next ]
%cond = icmp slt i8 %i, %n
br i1 %cond, label %next, label %return
next:
%i.inc = add i8 %i, 1
br label %loop
return:
ret void
}