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Add testcase from PR3086.

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llvm-svn: 69862
This commit is contained in:
Owen Anderson 2009-04-23 04:14:03 +00:00
parent 6a4629e856
commit d4b3279a3f
1 changed files with 28 additions and 0 deletions
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28
test/Transforms/LoopStrengthReduce/pr3086.ll Normal file
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; 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 ; <i64> [#uses=1]
br label %bb9
bb9: ; preds = %bb22, %bb5
%storemerge.rec = phi i64 [ %indvar.next8, %bb5 ], [ 0, %bb22 ] ; <i64> [#uses=2]
%storemerge = getelementptr %struct.Lit** null, i64 %storemerge.rec ; <%struct.Lit**> [#uses=2]
%1 = icmp ugt %struct.Lit** null, %storemerge ; <i1> [#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
}