1 ; RUN: opt < %s -analyze -scalar-evolution -disable-output > %t
2 ; RUN: grep {sext i57 \{0,+,199\}<bb> to i64} %t | count 1
3 ; RUN: grep {sext i59 \{0,+,199\}<bb> to i64} %t | count 1
5 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
6 target triple = "i386-apple-darwin9.6"
8 define i64 @foo(i64* nocapture %x, i64 %n) nounwind {
10 %t0 = icmp sgt i64 %n, 0 ; <i1> [#uses=1]
11 br i1 %t0, label %bb, label %return
13 bb: ; preds = %bb, %entry
14 %i.01 = phi i64 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]
15 %t1 = shl i64 %i.01, 7 ; <i32> [#uses=1]
16 %t2 = ashr i64 %t1, 7 ; <i32> [#uses=1]
17 %s1 = shl i64 %i.01, 5 ; <i32> [#uses=1]
18 %s2 = ashr i64 %s1, 5 ; <i32> [#uses=1]
19 %t3 = getelementptr i64* %x, i64 %i.01 ; <i64*> [#uses=1]
20 store i64 0, i64* %t3, align 1
21 %indvar.next = add i64 %i.01, 199 ; <i32> [#uses=2]
22 %exitcond = icmp eq i64 %indvar.next, %n ; <i1> [#uses=1]
23 br i1 %exitcond, label %return, label %bb
25 return: ; preds = %bb, %entry
26 %p = phi i64 [ 0, %entry ], [ %t2, %bb ]
27 %q = phi i64 [ 0, %entry ], [ %s2, %bb ]