llvm-project/llvm/test/Analysis/ScalarEvolution/2008-07-19-WrappingIV.ll

18 lines
531 B
LLVM

; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s
; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 2>&1 | FileCheck %s
; PR2088
; CHECK: backedge-taken count is 113
define void @fun() {
entry:
br label %loop
loop:
%i = phi i8 [ 0, %entry ], [ %i.next, %loop ]
%i.next = add i8 %i, 18
%cond = icmp ne i8 %i.next, 4
br i1 %cond, label %loop, label %exit
exit:
ret void
}