; RUN: opt < %s -scalar-evolution -analyze -enable-new-pm=0 | FileCheck %s | |
; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s | |
; PR2002 | |
; CHECK: Loop %loop: backedge-taken count is (100 + (-100 smax %n)) | |
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 | |
} |