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1; RUN: opt < %s -passes=instcombine,simplifycfg,licm -simplifycfg-require-and-preserve-domtree=1 -disable-output2target datalayout = "e-p:32:32"3@yy_base = external global [787 x i16] ; <ptr> [#uses=1]4@yy_state_ptr = external global ptr ; <ptr> [#uses=3]5@yy_state_buf = external global [16386 x i32] ; <ptr> [#uses=1]6@yy_lp = external global i32 ; <ptr> [#uses=1]7 8define i32 @_yylex() {9 br label %loopentry.010loopentry.0: ; preds = %else.26, %011 store ptr @yy_state_buf, ptr @yy_state_ptr12 %tmp.35 = load ptr, ptr @yy_state_ptr ; <ptr> [#uses=2]13 %inc.0 = getelementptr i32, ptr %tmp.35, i64 1 ; <ptr> [#uses=1]14 store ptr %inc.0, ptr @yy_state_ptr15 %tmp.36 = load i32, ptr null ; <i32> [#uses=1]16 store i32 %tmp.36, ptr %tmp.3517 br label %loopexit.218loopexit.2: ; preds = %else.26, %loopexit.2, %loopentry.019 store ptr null, ptr null20 %tmp.91 = load i32, ptr null ; <i32> [#uses=1]21 %tmp.92 = sext i32 %tmp.91 to i64 ; <i64> [#uses=1]22 %tmp.93 = getelementptr [787 x i16], ptr @yy_base, i64 0, i64 %tmp.92 ; <ptr> [#uses=1]23 %tmp.94 = load i16, ptr %tmp.93 ; <i16> [#uses=1]24 %tmp.95 = icmp ne i16 %tmp.94, 4394 ; <i1> [#uses=1]25 br i1 %tmp.95, label %loopexit.2, label %yy_find_action26yy_find_action: ; preds = %else.26, %loopexit.227 br label %loopentry.328loopentry.3: ; preds = %then.9, %shortcirc_done.0, %yy_find_action29 %tmp.105 = load i32, ptr @yy_lp ; <i32> [#uses=1]30 %tmp.106 = icmp ne i32 %tmp.105, 0 ; <i1> [#uses=1]31 br i1 %tmp.106, label %shortcirc_next.0, label %shortcirc_done.032shortcirc_next.0: ; preds = %loopentry.333 %tmp.114 = load i16, ptr null ; <i16> [#uses=1]34 %tmp.115 = sext i16 %tmp.114 to i32 ; <i32> [#uses=1]35 %tmp.116 = icmp slt i32 0, %tmp.115 ; <i1> [#uses=1]36 br label %shortcirc_done.037shortcirc_done.0: ; preds = %shortcirc_next.0, %loopentry.338 %shortcirc_val.0 = phi i1 [ false, %loopentry.3 ], [ %tmp.116, %shortcirc_next.0 ] ; <i1> [#uses=1]39 br i1 %shortcirc_val.0, label %else.0, label %loopentry.340else.0: ; preds = %shortcirc_done.041 %tmp.144 = load i32, ptr null ; <i32> [#uses=1]42 %tmp.145 = and i32 %tmp.144, 8192 ; <i32> [#uses=1]43 %tmp.146 = icmp ne i32 %tmp.145, 0 ; <i1> [#uses=1]44 br i1 %tmp.146, label %then.9, label %else.2645then.9: ; preds = %else.046 br label %loopentry.347else.26: ; preds = %else.048 switch i32 0, label %loopentry.0 [49 i32 2, label %yy_find_action50 i32 0, label %loopexit.251 ]52}53