Generalize test case to handle multiple indvars modes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139578 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/LoopSimplify/single-backedge.ll b/test/Transforms/LoopSimplify/single-backedge.ll
index f9567f1..aedd6f2 100644
--- a/test/Transforms/LoopSimplify/single-backedge.ll
+++ b/test/Transforms/LoopSimplify/single-backedge.ll
@@ -1,8 +1,11 @@
-; The loop canonicalization pass should guarantee that there is one backedge
-; for all loops. This allows the -indvars pass to recognize the %IV
+; The loop canonicalization pass should guarantee that there is one backedge
+; for all loops. This allows the -indvars pass to recognize the %IV
; induction variable in this testcase.
-; RUN: opt < %s -indvars -S | grep indvar
+; RUN: opt < %s -indvars -S | FileCheck %s
+; CHECK: Loop.backedge:
+; CHECK-NOT: br
+; CHECK: br label %Loop
define i32 @test(i1 %C) {
; <label>:0
