25 lines
678 B
LLVM
25 lines
678 B
LLVM
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; RUN: opt -loop-rotate -disable-output %s
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; RUN: opt -passes=loop-rotate -disable-output %s
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; Make sure we don't crash on this test.
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define void @foo(i32* %arg) {
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bb:
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%tmp = load i32, i32* %arg, align 4
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br label %bb1
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bb1: ; preds = %bb7, %bb
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%tmp2 = phi i32 [ %tmp, %bb ], [ 1, %bb7 ]
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%tmp3 = sub i32 0, %tmp2
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%tmp4 = icmp ult i32 0, %tmp3
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%tmp5 = freeze i1 %tmp4
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br i1 %tmp5, label %bb7, label %bb6
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bb6: ; preds = %bb1
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ret void
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bb7: ; preds = %bb1
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%tmp8 = getelementptr inbounds i8, i8* undef, i64 8
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br label %bb1
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}
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