1 ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
3 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"
4 target triple = "i386-apple-darwin9.6"
6 define i64 @foo(i64* nocapture %x, i64 %n) nounwind {
7 ; CHECK-LABEL: Classifying expressions for: @foo
9 %t0 = icmp sgt i64 %n, 0
10 br i1 %t0, label %bb, label %return
13 %i.01 = phi i64 [ 0, %entry ], [ %indvar.next, %bb ]
14 %t1 = shl i64 %i.01, 7
16 ; CHECK: %t2 = ashr i64 %t1, 7
17 ; CHECK-NEXT: sext i57 {0,+,199}<%bb> to i64
18 ; CHECK-SAME: Exits: (sext i57 (-199 + (trunc i64 %n to i57)) to i64)
19 ; CHECK: %s2 = ashr i64 %s1, 5
20 ; CHECK-NEXT: sext i59 {0,+,199}<%bb> to i64
21 ; CHECK-SAME: Exits: (sext i59 (-199 + (trunc i64 %n to i59)) to i64)
22 %s1 = shl i64 %i.01, 5
24 %t3 = getelementptr i64, i64* %x, i64 %i.01
25 store i64 0, i64* %t3, align 1
26 %indvar.next = add i64 %i.01, 199
27 %exitcond = icmp eq i64 %indvar.next, %n
28 br i1 %exitcond, label %return, label %bb
31 %p = phi i64 [ 0, %entry ], [ %t2, %bb ]
32 %q = phi i64 [ 0, %entry ], [ %s2, %bb ]