;RUN: opt < %s -codegenprepare -S -mtriple=x86_64 | FileCheck %s
;CHECK: define void @foo()
;CHECK-NEXT: entry:
;CHECK-NEXT: ret void
;CHECK: cond_next475:
;CHECK-NEXT: br label %cond_next475
define void @foo() {
entry:
br i1 false, label %cond_next31, label %cond_true
cond_true: ; preds = %entry
br i1 false, label %cond_true19, label %cond_next31
cond_true19: ; preds = %cond_true
br i1 false, label %bb510, label %cond_next31
cond_next31: ; preds = %cond_true19, %cond_true, %entry
br i1 false, label %cond_true61, label %cond_next78
cond_true61: ; preds = %cond_next31
br label %cond_next78
cond_next78: ; preds = %cond_true61, %cond_next31
br i1 false, label %cond_true93, label %bb.preheader
cond_true93: ; preds = %cond_next78
br label %bb.preheader
bb.preheader: ; preds = %cond_true93, %cond_next78
%iftmp.11.0.ph.ph = phi i16 [ 0, %cond_true93 ], [ 0, %cond_next78 ] ; <i16> [#uses=1]
br label %bb
bb: ; preds = %cond_next499, %bb.preheader
%n.1 = phi i16 [ %iftmp.11.0.ph.ph, %cond_next499 ], [ 0, %bb.preheader ] ; <i16> [#uses=0]
br i1 false, label %bb148.preheader, label %bb493
bb148.preheader: ; preds = %bb
br label %bb148
bb148: ; preds = %cond_next475, %bb148.preheader
br i1 false, label %cond_next175, label %bb184
cond_next175: ; preds = %bb148
br i1 false, label %bb184, label %bb185
bb184: ; preds = %cond_next175, %bb148
br label %bb185
bb185: ; preds = %bb184, %cond_next175
br i1 false, label %bb420.preheader, label %cond_true198
bb420.preheader: ; preds = %bb185
br label %bb420
cond_true198: ; preds = %bb185
br i1 false, label %bb294, label %cond_next208
cond_next208: ; preds = %cond_true198
br i1 false, label %cond_next249, label %cond_true214
cond_true214: ; preds = %cond_next208
br i1 false, label %bb294, label %cond_next262
cond_next249: ; preds = %cond_next208
br i1 false, label %bb294, label %cond_next262
cond_next262: ; preds = %cond_next249, %cond_true214
br label %bb269
bb269: ; preds = %cond_next285, %cond_next262
br i1 false, label %cond_next285, label %cond_true279
cond_true279: ; preds = %bb269
br label %cond_next285
cond_next285: ; preds = %cond_true279, %bb269
br i1 false, label %bb269, label %cond_next446.loopexit
bb294: ; preds = %cond_next249, %cond_true214, %cond_true198
br i1 false, label %cond_next336, label %cond_true301
cond_true301: ; preds = %bb294
br i1 false, label %cond_false398, label %cond_true344
cond_next336: ; preds = %bb294
br i1 false, label %cond_false398, label %cond_true344
cond_true344: ; preds = %cond_next336, %cond_true301
br i1 false, label %cond_false381, label %cond_true351
cond_true351: ; preds = %cond_true344
br label %cond_next387
cond_false381: ; preds = %cond_true344
br label %cond_next387
cond_next387: ; preds = %cond_false381, %cond_true351
br label %cond_next401
cond_false398: ; preds = %cond_next336, %cond_true301
br label %cond_next401
cond_next401: ; preds = %cond_false398, %cond_next387
br i1 false, label %cond_next475, label %cond_true453
bb420: ; preds = %cond_next434, %bb420.preheader
br i1 false, label %cond_next434, label %cond_true428
cond_true428: ; preds = %bb420
br label %cond_next434
cond_next434: ; preds = %cond_true428, %bb420
br i1 false, label %bb420, label %cond_next446.loopexit1
cond_next446.loopexit: ; preds = %cond_next285
br label %cond_next446
cond_next446.loopexit1: ; preds = %cond_next434
br label %cond_next446
cond_next446: ; preds = %cond_next446.loopexit1, %cond_next446.loopexit
br i1 false, label %cond_next475, label %cond_true453
cond_true453: ; preds = %cond_next446, %cond_next401
br i1 false, label %cond_true458, label %cond_next475
cond_true458: ; preds = %cond_true453
br label %cond_next475
cond_next475: ; preds = %cond_true458, %cond_true453, %cond_next446, %cond_next401
br i1 false, label %bb493.loopexit, label %bb148
bb493.loopexit: ; preds = %cond_next475
br label %bb493
bb493: ; preds = %bb493.loopexit, %bb
br i1 false, label %cond_next499, label %bb510.loopexit
cond_next499: ; preds = %bb493
br label %bb
bb510.loopexit: ; preds = %bb493
br label %bb510
bb510: ; preds = %bb510.loopexit, %cond_true19
br i1 false, label %cond_next524, label %cond_true517
cond_true517: ; preds = %bb510
br label %cond_next524
cond_next524: ; preds = %cond_true517, %bb510
br i1 false, label %cond_next540, label %cond_true533
cond_true533: ; preds = %cond_next524
br label %cond_next540
cond_next540: ; preds = %cond_true533, %cond_next524
br i1 false, label %cond_true554, label %cond_next560
cond_true554: ; preds = %cond_next540
br label %cond_next560
cond_next560: ; preds = %cond_true554, %cond_next540
br i1 false, label %cond_true566, label %cond_next572
cond_true566: ; preds = %cond_next560
br label %cond_next572
cond_next572: ; preds = %cond_true566, %cond_next560
br i1 false, label %bb608.preheader, label %bb791.preheader
bb608.preheader: ; preds = %cond_next797.us, %cond_next572
br label %bb608
bb608: ; preds = %cond_next771, %bb608.preheader
br i1 false, label %cond_false627, label %cond_true613
cond_true613: ; preds = %bb608
br label %cond_next640
cond_false627: ; preds = %bb608
br label %cond_next640
cond_next640: ; preds = %cond_false627, %cond_true613
br i1 false, label %cond_true653, label %cond_next671
cond_true653: ; preds = %cond_next640
br label %cond_next671
cond_next671: ; preds = %cond_true653, %cond_next640
br i1 false, label %cond_true683, label %cond_next724
cond_true683: ; preds = %cond_next671
br i1 false, label %cond_next724, label %L1
cond_next724: ; preds = %cond_true683, %cond_next671
br i1 false, label %cond_true735, label %L1
cond_true735: ; preds = %cond_next724
br label %L1
L1: ; preds = %cond_true735, %cond_next724, %cond_true683
br i1 false, label %cond_true745, label %cond_next771
cond_true745: ; preds = %L1
br label %cond_next771
cond_next771: ; preds = %cond_true745, %L1
br i1 false, label %bb608, label %bb791.preheader.loopexit
bb791.preheader.loopexit: ; preds = %cond_next771
br label %bb791.preheader
bb791.preheader: ; preds = %bb791.preheader.loopexit, %cond_next572
br i1 false, label %cond_next797.us, label %bb809.split
cond_next797.us: ; preds = %bb791.preheader
br label %bb608.preheader
bb809.split: ; preds = %bb791.preheader
br i1 false, label %cond_next827, label %cond_true820
cond_true820: ; preds = %bb809.split
br label %cond_next827
cond_next827: ; preds = %cond_true820, %bb809.split
br i1 false, label %cond_true833, label %cond_next840
cond_true833: ; preds = %cond_next827
br label %cond_next840
cond_next840: ; preds = %cond_true833, %cond_next827
br i1 false, label %bb866, label %bb1245
bb866: ; preds = %bb1239, %cond_next840
br i1 false, label %cond_true875, label %bb911
cond_true875: ; preds = %bb866
br label %cond_next1180
bb911: ; preds = %bb866
switch i32 0, label %bb1165 [
i32 0, label %bb915
i32 1, label %bb932
i32 2, label %bb941
i32 3, label %bb1029
i32 4, label %bb1036
i32 5, label %bb1069
i32 6, label %L3
]
bb915: ; preds = %cond_next1171, %bb911
br i1 false, label %cond_next1171, label %cond_next1180
bb932: ; preds = %cond_next1171, %bb911
br label %L1970
bb941: ; preds = %cond_next1171, %bb911
br label %L1970
L1970: ; preds = %bb941, %bb932
br label %bb1165
bb1029: ; preds = %cond_next1171, %bb911
br label %L4
bb1036: ; preds = %cond_next1171, %bb911
br label %L4
bb1069: ; preds = %cond_next1171, %bb911
br i1 false, label %cond_next1121, label %cond_true1108
L3: ; preds = %cond_next1171, %bb911
br i1 false, label %cond_next1121, label %cond_true1108
cond_true1108: ; preds = %L3, %bb1069
br label %L4
cond_next1121: ; preds = %L3, %bb1069
br label %L4
L4: ; preds = %cond_next1121, %cond_true1108, %bb1036, %bb1029
br label %bb1165
bb1165: ; preds = %cond_next1171, %L4, %L1970, %bb911
br i1 false, label %cond_next1171, label %cond_next1180
cond_next1171: ; preds = %bb1165, %bb915
switch i32 0, label %bb1165 [
i32 0, label %bb915
i32 1, label %bb932
i32 2, label %bb941
i32 3, label %bb1029
i32 4, label %bb1036
i32 5, label %bb1069
i32 6, label %L3
]
cond_next1180: ; preds = %bb1165, %bb915, %cond_true875
br label %bb1239
bb1239: ; preds = %cond_next1251, %cond_next1180
br i1 false, label %bb866, label %bb1245
bb1245: ; preds = %bb1239, %cond_next840
br i1 false, label %cond_next1251, label %bb1257
cond_next1251: ; preds = %bb1245
br label %bb1239
bb1257: ; preds = %bb1245
ret void
}
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