1 ; RUN: opt < %s -simplifycfg -S | not grep br 2 ; END. 3 4 %llvm.dbg.anchor.type = type { i32, i32 } 5 %llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8*, i1, i1, i8* } 6 7 @llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata" 8 9 @.str = internal constant [4 x i8] c"a.c\00", section "llvm.metadata" ; <[4 x i8]*> [#uses=1] 10 @.str1 = internal constant [6 x i8] c"/tmp/\00", section "llvm.metadata" ; <[6 x i8]*> [#uses=1] 11 @.str2 = internal constant [55 x i8] c"4.2.1 (Based on Apple Inc. build 5636) (LLVM build 00)\00", section "llvm.metadata" ; <[55 x i8]*> [#uses=1] 12 @llvm.dbg.compile_unit = internal constant %llvm.dbg.compile_unit.type { i32 458769, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to { }*), i32 1, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr ([6 x i8]* @.str1, i32 0, i32 0), i8* getelementptr ([55 x i8]* @.str2, i32 0, i32 0), i1 true, i1 false, i8* null }, section "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1] 13 14 declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind 15 16 17 define void @main() { 18 entry: 19 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 20 %tmp.14.i19 = icmp eq i32 0, 2 ; <i1> [#uses=1] 21 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 22 br i1 %tmp.14.i19, label %endif.1.i20, label %read_min.exit 23 endif.1.i20: ; preds = %entry 24 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 25 %tmp.9.i.i = icmp eq i8* null, null ; <i1> [#uses=1] 26 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 27 br i1 %tmp.9.i.i, label %then.i12.i, label %then.i.i 28 then.i.i: ; preds = %endif.1.i20 29 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 30 ret void 31 then.i12.i: ; preds = %endif.1.i20 32 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 33 %tmp.9.i4.i = icmp eq i8* null, null ; <i1> [#uses=1] 34 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 35 br i1 %tmp.9.i4.i, label %endif.2.i33, label %then.i5.i 36 then.i5.i: ; preds = %then.i12.i 37 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 38 ret void 39 endif.2.i33: ; preds = %then.i12.i 40 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 41 br i1 false, label %loopexit.0.i40, label %no_exit.0.i35 42 no_exit.0.i35: ; preds = %no_exit.0.i35, %endif.2.i33 43 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 44 %tmp.130.i = icmp slt i32 0, 0 ; <i1> [#uses=1] 45 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 46 br i1 %tmp.130.i, label %loopexit.0.i40.loopexit, label %no_exit.0.i35 47 loopexit.0.i40.loopexit: ; preds = %no_exit.0.i35 48 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 49 br label %loopexit.0.i40 50 loopexit.0.i40: ; preds = %loopexit.0.i40.loopexit, %endif.2.i33 51 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 52 %tmp.341.i = icmp eq i32 0, 0 ; <i1> [#uses=1] 53 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 54 br i1 %tmp.341.i, label %loopentry.1.i, label %read_min.exit 55 loopentry.1.i: ; preds = %loopexit.0.i40 56 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 57 %tmp.347.i = icmp sgt i32 0, 0 ; <i1> [#uses=1] 58 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 59 br i1 %tmp.347.i, label %no_exit.1.i41, label %loopexit.2.i44 60 no_exit.1.i41: ; preds = %endif.5.i, %loopentry.1.i 61 %indvar.i42 = phi i32 [ %indvar.next.i, %endif.5.i ], [ 0, %loopentry.1.i ] ; <i32> [#uses=1] 62 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 63 %tmp.355.i = icmp eq i32 0, 3 ; <i1> [#uses=1] 64 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 65 br i1 %tmp.355.i, label %endif.5.i, label %read_min.exit 66 endif.5.i: ; preds = %no_exit.1.i41 67 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 68 %tmp.34773.i = icmp sgt i32 0, 0 ; <i1> [#uses=1] 69 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 70 %indvar.next.i = add i32 %indvar.i42, 1 ; <i32> [#uses=1] 71 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 72 br i1 %tmp.34773.i, label %no_exit.1.i41, label %loopexit.1.i.loopexit 73 loopexit.1.i.loopexit: ; preds = %endif.5.i 74 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 75 ret void 76 loopexit.2.i44: ; preds = %loopentry.1.i 77 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 78 ret void 79 read_min.exit: ; preds = %no_exit.1.i41, %loopexit.0.i40, %entry 80 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 81 %tmp.23 = icmp eq i32 0, 0 ; <i1> [#uses=1] 82 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 83 br i1 %tmp.23, label %endif.1, label %then.1 84 then.1: ; preds = %read_min.exit 85 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 86 br i1 false, label %endif.0.i, label %then.0.i 87 then.0.i: ; preds = %then.1 88 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 89 br i1 false, label %endif.1.i, label %then.1.i 90 endif.0.i: ; preds = %then.1 91 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 92 br i1 false, label %endif.1.i, label %then.1.i 93 then.1.i: ; preds = %endif.0.i, %then.0.i 94 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 95 br i1 false, label %getfree.exit, label %then.2.i 96 endif.1.i: ; preds = %endif.0.i, %then.0.i 97 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 98 br i1 false, label %getfree.exit, label %then.2.i 99 then.2.i: ; preds = %endif.1.i, %then.1.i 100 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 101 ret void 102 getfree.exit: ; preds = %endif.1.i, %then.1.i 103 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 104 ret void 105 endif.1: ; preds = %read_min.exit 106 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 107 %tmp.27.i = getelementptr i32* null, i32 0 ; <i32*> [#uses=0] 108 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 109 br i1 false, label %loopexit.0.i15, label %no_exit.0.i14 110 no_exit.0.i14: ; preds = %endif.1 111 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 112 ret void 113 loopexit.0.i15: ; preds = %endif.1 114 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 115 br i1 false, label %primal_start_artificial.exit, label %no_exit.1.i16 116 no_exit.1.i16: ; preds = %no_exit.1.i16, %loopexit.0.i15 117 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 118 br i1 false, label %primal_start_artificial.exit, label %no_exit.1.i16 119 primal_start_artificial.exit: ; preds = %no_exit.1.i16, %loopexit.0.i15 120 call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) 121 ret void 122 } 123