From d49468aa509270e70d17b8d9a99599f410140f81 Mon Sep 17 00:00:00 2001 From: Owen Anderson Date: Thu, 23 Apr 2009 04:14:03 +0000 Subject: [PATCH] Add testcase from PR3086. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69862 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LoopStrengthReduce/pr3086.ll | 28 ++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/Transforms/LoopStrengthReduce/pr3086.ll diff --git a/test/Transforms/LoopStrengthReduce/pr3086.ll b/test/Transforms/LoopStrengthReduce/pr3086.ll new file mode 100644 index 00000000000..4ca333f6146 --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/pr3086.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | opt -loop-reduce -disable-output +; PR 3086 + + %struct.Cls = type { i32, i8, [2 x %struct.Cls*], [2 x %struct.Lit*] } + %struct.Lit = type { i8 } + +define fastcc i64 @collect_clauses() nounwind { +entry: + br label %bb11 + +bb5: ; preds = %bb9 + %0 = load %struct.Lit** %storemerge, align 8 ; <%struct.Lit*> [#uses=0] + %indvar.next8 = add i64 %storemerge.rec, 1 ; [#uses=1] + br label %bb9 + +bb9: ; preds = %bb22, %bb5 + %storemerge.rec = phi i64 [ %indvar.next8, %bb5 ], [ 0, %bb22 ] ; [#uses=2] + %storemerge = getelementptr %struct.Lit** null, i64 %storemerge.rec ; <%struct.Lit**> [#uses=2] + %1 = icmp ugt %struct.Lit** null, %storemerge ; [#uses=1] + br i1 %1, label %bb5, label %bb22 + +bb11: ; preds = %bb22, %entry + %2 = load %struct.Cls** null, align 8 ; <%struct.Cls*> [#uses=0] + br label %bb22 + +bb22: ; preds = %bb11, %bb9 + br i1 false, label %bb11, label %bb9 +} -- 2.34.1