| Bill Wendling | a08bb49 | 2013-08-22 00:51:19 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s |
| Eli Friedman | ebf98b0 | 2009-05-09 12:32:42 +0000 | [diff] [blame] | 2 | ; PR3171 |
| Bill Wendling | a08bb49 | 2013-08-22 00:51:19 +0000 | [diff] [blame] | 3 | |
| 4 | ; CHECK: count is 2 |
| 5 | |
| Kenneth Uildriks | 90fedc6 | 2009-11-03 15:29:06 +0000 | [diff] [blame] | 6 | target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" |
| Eli Friedman | ebf98b0 | 2009-05-09 12:32:42 +0000 | [diff] [blame] | 7 | |
| 8 | %struct.Foo = type { i32 } |
| 9 | %struct.NonPod = type { [2 x %struct.Foo] } |
| 10 | |
| 11 | define void @_Z3foov() nounwind { |
| 12 | entry: |
| 13 | %x = alloca %struct.NonPod, align 8 ; <%struct.NonPod*> [#uses=2] |
| 14 | %0 = getelementptr %struct.NonPod* %x, i32 0, i32 0 ; <[2 x %struct.Foo]*> [#uses=1] |
| 15 | %1 = getelementptr [2 x %struct.Foo]* %0, i32 1, i32 0 ; <%struct.Foo*> [#uses=1] |
| 16 | br label %bb1.i |
| 17 | |
| 18 | bb1.i: ; preds = %bb2.i, %entry |
| 19 | %.0.i = phi %struct.Foo* [ %1, %entry ], [ %4, %bb2.i ] ; <%struct.Foo*> [#uses=2] |
| 20 | %2 = getelementptr %struct.NonPod* %x, i32 0, i32 0, i32 0 ; <%struct.Foo*> [#uses=1] |
| 21 | %3 = icmp eq %struct.Foo* %.0.i, %2 ; <i1> [#uses=1] |
| 22 | br i1 %3, label %_ZN6NonPodD1Ev.exit, label %bb2.i |
| 23 | |
| 24 | bb2.i: ; preds = %bb1.i |
| 25 | %4 = getelementptr %struct.Foo* %.0.i, i32 -1 ; <%struct.Foo*> [#uses=1] |
| 26 | br label %bb1.i |
| 27 | |
| 28 | _ZN6NonPodD1Ev.exit: ; preds = %bb1.i |
| 29 | ret void |
| 30 | } |
| 31 | |