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; RUN: opt < %s -passes=instcombine,simplifycfg,licm -simplifycfg-require-and-preserve-domtree=1 -disable-output
target datalayout = "e-p:32:32"
@yy_base = external global [787 x i16] ; <ptr> [#uses=1]
@yy_state_ptr = external global ptr ; <ptr> [#uses=3]
@yy_state_buf = external global [16386 x i32] ; <ptr> [#uses=1]
@yy_lp = external global i32 ; <ptr> [#uses=1]
define i32 @_yylex() {
br label %loopentry.0
loopentry.0: ; preds = %else.26, %0
store ptr @yy_state_buf, ptr @yy_state_ptr
%tmp.35 = load ptr, ptr @yy_state_ptr ; <ptr> [#uses=2]
%inc.0 = getelementptr i32, ptr %tmp.35, i64 1 ; <ptr> [#uses=1]
store ptr %inc.0, ptr @yy_state_ptr
%tmp.36 = load i32, ptr null ; <i32> [#uses=1]
store i32 %tmp.36, ptr %tmp.35
br label %loopexit.2
loopexit.2: ; preds = %else.26, %loopexit.2, %loopentry.0
store ptr null, ptr null
%tmp.91 = load i32, ptr null ; <i32> [#uses=1]
%tmp.92 = sext i32 %tmp.91 to i64 ; <i64> [#uses=1]
%tmp.93 = getelementptr [787 x i16], ptr @yy_base, i64 0, i64 %tmp.92 ; <ptr> [#uses=1]
%tmp.94 = load i16, ptr %tmp.93 ; <i16> [#uses=1]
%tmp.95 = icmp ne i16 %tmp.94, 4394 ; <i1> [#uses=1]
br i1 %tmp.95, label %loopexit.2, label %yy_find_action
yy_find_action: ; preds = %else.26, %loopexit.2
br label %loopentry.3
loopentry.3: ; preds = %then.9, %shortcirc_done.0, %yy_find_action
%tmp.105 = load i32, ptr @yy_lp ; <i32> [#uses=1]
%tmp.106 = icmp ne i32 %tmp.105, 0 ; <i1> [#uses=1]
br i1 %tmp.106, label %shortcirc_next.0, label %shortcirc_done.0
shortcirc_next.0: ; preds = %loopentry.3
%tmp.114 = load i16, ptr null ; <i16> [#uses=1]
%tmp.115 = sext i16 %tmp.114 to i32 ; <i32> [#uses=1]
%tmp.116 = icmp slt i32 0, %tmp.115 ; <i1> [#uses=1]
br label %shortcirc_done.0
shortcirc_done.0: ; preds = %shortcirc_next.0, %loopentry.3
%shortcirc_val.0 = phi i1 [ false, %loopentry.3 ], [ %tmp.116, %shortcirc_next.0 ] ; <i1> [#uses=1]
br i1 %shortcirc_val.0, label %else.0, label %loopentry.3
else.0: ; preds = %shortcirc_done.0
%tmp.144 = load i32, ptr null ; <i32> [#uses=1]
%tmp.145 = and i32 %tmp.144, 8192 ; <i32> [#uses=1]
%tmp.146 = icmp ne i32 %tmp.145, 0 ; <i1> [#uses=1]
br i1 %tmp.146, label %then.9, label %else.26
then.9: ; preds = %else.0
br label %loopentry.3
else.26: ; preds = %else.0
switch i32 0, label %loopentry.0 [
i32 2, label %yy_find_action
i32 0, label %loopexit.2
]
}
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