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18 lines
448 B
LLVM
18 lines
448 B
LLVM
; The loop canonicalization pass should guarantee that there is one backedge
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; for all loops. This allows the -indvars pass to recognize the %IV
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; induction variable in this testcase.
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar
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int %test(bool %C) {
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br label %Loop
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Loop:
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%IV = phi uint [1, %0], [%IV2, %BE1], [%IV2, %BE2]
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%IV2 = add uint %IV, 2
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br bool %C, label %BE1, label %BE2
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BE1:
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br label %Loop
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BE2:
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br label %Loop
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}
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