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63 lines
2.0 KiB
63 lines
2.0 KiB
4 months ago
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; RUN: opt < %s -mem2reg -disable-output
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; PR670
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define void @printk(i32, ...) {
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entry:
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%flags = alloca i32 ; <i32*> [#uses=2]
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br i1 false, label %then.0, label %endif.0
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then.0: ; preds = %entry
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br label %endif.0
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endif.0: ; preds = %then.0, %entry
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store i32 0, i32* %flags
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br label %loopentry
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loopentry: ; preds = %endif.3, %endif.0
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br i1 false, label %no_exit, label %loopexit
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no_exit: ; preds = %loopentry
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br i1 false, label %then.1, label %endif.1
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then.1: ; preds = %no_exit
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br i1 false, label %shortcirc_done.0, label %shortcirc_next.0
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shortcirc_next.0: ; preds = %then.1
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br label %shortcirc_done.0
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shortcirc_done.0: ; preds = %shortcirc_next.0, %then.1
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br i1 false, label %shortcirc_done.1, label %shortcirc_next.1
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shortcirc_next.1: ; preds = %shortcirc_done.0
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br label %shortcirc_done.1
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shortcirc_done.1: ; preds = %shortcirc_next.1, %shortcirc_done.0
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br i1 false, label %shortcirc_done.2, label %shortcirc_next.2
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shortcirc_next.2: ; preds = %shortcirc_done.1
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br label %shortcirc_done.2
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shortcirc_done.2: ; preds = %shortcirc_next.2, %shortcirc_done.1
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br i1 false, label %then.2, label %endif.2
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then.2: ; preds = %shortcirc_done.2
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br label %endif.2
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endif.2: ; preds = %then.2, %shortcirc_done.2
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br label %endif.1
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endif.1: ; preds = %endif.2, %no_exit
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br i1 false, label %then.3, label %endif.3
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then.3: ; preds = %endif.1
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br label %endif.3
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endif.3: ; preds = %then.3, %endif.1
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br label %loopentry
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loopexit: ; preds = %loopentry
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br label %endif.4
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then.4: ; No predecessors!
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%tmp.61 = load i32, i32* %flags ; <i32> [#uses=0]
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br label %out
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dead_block_after_goto: ; No predecessors!
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br label %endif.4
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endif.4: ; preds = %dead_block_after_goto, %loopexit
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br i1 false, label %then.5, label %else
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then.5: ; preds = %endif.4
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br label %endif.5
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else: ; preds = %endif.4
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br label %endif.5
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endif.5: ; preds = %else, %then.5
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br label %out
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out: ; preds = %endif.5, %then.4
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br label %return
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after_ret: ; No predecessors!
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br label %return
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return: ; preds = %after_ret, %out
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ret void
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}
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