llvm-project/llvm/test/Analysis/ScalarEvolution/2008-02-15-UMax.ll

18 lines
379 B
LLVM

; RUN: opt < %s -analyze -scalar-evolution -disable-output | grep umax
; PR2003
define i32 @foo(i32 %n) {
entry:
br label %header
header:
%i = phi i32 [ 100, %entry ], [ %i.inc, %next ]
%cond = icmp ult i32 %i, %n
br i1 %cond, label %next, label %return
next:
%i.inc = add i32 %i, 1
br label %header
return:
ret i32 %i
}