llvm.org GIT mirror llvm / release_23 test / Analysis / ScalarEvolution / 2008-02-15-UMax.ll
release_23

Tree @release_23 (Download .tar.gz)

2008-02-15-UMax.ll @release_23raw · history · blame

; RUN: llvm-as < %s | opt -analyze -scalar-evolution | 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
}