1 ; The loop canonicalization pass should guarantee that there is one backedge
2 ; for all loops. This allows the -indvars pass to recognize the %IV
3 ; induction variable in this testcase.
5 ; RUN: opt < %s -indvars -S | FileCheck %s
6 ; CHECK: Loop.backedge:
8 ; CHECK: br label %Loop
10 define i32 @test(i1 %C) {
13 Loop: ; preds = %BE2, %BE1, %0
14 %IV = phi i32 [ 1, %0 ], [ %IV2, %BE1 ], [ %IV2, %BE2 ] ; <i32> [#uses=2]
15 store i32 %IV, i32* null
16 %IV2 = add i32 %IV, 2 ; <i32> [#uses=2]
17 br i1 %C, label %BE1, label %BE2