1 ; RUN: opt -indvars -disable-output < %s 2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 3 4 declare i32 @putchar(i8) nounwind 5 6 define void @t2(i1* %P) nounwind { 7 ; <label>:0 8 br label %1 9 10 ; <label>:1 ; preds = %1, %0 11 %2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1] 12 %3 = tail call i32 @putchar(i8 72) ; <i32> [#uses=0] 13 %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2] 14 %5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1] 15 store i1 %5, i1* %P 16 br i1 %5, label %6, label %1 17 18 ; <label>:6 ; preds = %1 19 ret void 20 } 21 22 ; PR7562 23 define void @fannkuch() nounwind { 24 entry: ; preds = %entry 25 br label %bb12 26 27 bb12: ; preds = %bb29, %entry 28 %i.1 = phi i32 [ undef, %entry ], [ %i.0, %bb29 ] ; <i32> [#uses=2] 29 %r.1 = phi i32 [ undef, %entry ], [ %r.0, %bb29 ] ; <i32> [#uses=2] 30 br i1 undef, label %bb13, label %bb24 31 32 bb13: ; preds = %bb12 33 br label %bb24 34 35 bb24: ; preds = %bb30, %bb13, %bb12 36 %i.2 = phi i32 [ %i.1, %bb13 ], [ %i.0, %bb30 ], [ %i.1, %bb12 ] ; <i32> [#uses=1] 37 %r.0 = phi i32 [ %r.1, %bb13 ], [ %2, %bb30 ], [ %r.1, %bb12 ] ; <i32> [#uses=3] 38 br label %bb28 39 40 bb27: ; preds = %bb28 41 %0 = add nsw i32 %i.0, 1 ; <i32> [#uses=1] 42 br label %bb28 43 44 bb28: ; preds = %bb27, %bb26 45 %i.0 = phi i32 [ %i.2, %bb24 ], [ %0, %bb27 ] ; <i32> [#uses=4] 46 %1 = icmp slt i32 %i.0, %r.0 ; <i1> [#uses=1] 47 br i1 %1, label %bb27, label %bb29 48 49 bb29: ; preds = %bb28 50 br i1 undef, label %bb12, label %bb30 51 52 bb30: ; preds = %bb29 53 %2 = add nsw i32 %r.0, 1 ; <i32> [#uses=1] 54 br label %bb24 55 } 56 57 ; PR10770 58 59 declare void @__go_panic() noreturn 60 61 declare void @__go_undefer() 62 63 declare i32 @__gccgo_personality_v0(i32, i64, i8*, i8*) 64 65 define void @main.main() uwtable { 66 entry: 67 invoke void @__go_panic() noreturn 68 to label %0 unwind label %"5.i" 69 70 ; <label>:0 ; preds = %entry 71 unreachable 72 73 "3.i": ; preds = %"7.i", %"5.i" 74 invoke void @__go_undefer() 75 to label %main.f.exit unwind label %"7.i" 76 77 "5.i": ; preds = %entry 78 %1 = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gccgo_personality_v0 79 catch i8* null 80 br label %"3.i" 81 82 "7.i": ; preds = %"3.i" 83 %2 = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gccgo_personality_v0 84 catch i8* null 85 br label %"3.i" 86 87 main.f.exit: ; preds = %"3.i" 88 unreachable 89 } 90 91 92 ; PR13967 93 94 define void @f() nounwind ssp { 95 bb: 96 br label %bb4 97 98 bb4: 99 %tmp = phi i64 [ %tmp5, %bb7 ], [ undef, %bb ] 100 %tmp5 = add nsw i64 %tmp, 1 101 %extract.t1 = trunc i64 %tmp5 to i32 102 br i1 false, label %bb6, label %bb7 103 104 bb6: 105 br label %bb7 106 107 bb7: 108 %.off0 = phi i32 [ undef, %bb6 ], [ %extract.t1, %bb4 ] 109 %tmp8 = icmp eq i32 %.off0, 0 110 br i1 %tmp8, label %bb9, label %bb4 111 112 bb9: 113 ret void 114 } 115 116 ; PR12536 117 define void @fn1() noreturn nounwind { 118 entry: 119 br label %for.cond 120 121 for.cond: ; preds = %for.end, %entry 122 %b.0 = phi i32 [ undef, %entry ], [ %conv, %for.end ] 123 br label %for.cond1 124 125 for.cond1: ; preds = %for.cond1, %for.cond 126 %c.0 = phi i32 [ %b.0, %for.cond1 ], [ 0, %for.cond ] 127 br i1 undef, label %for.cond1, label %for.end 128 129 for.end: ; preds = %for.cond1 130 %cmp2 = icmp slt i32 %c.0, 1 131 %conv = zext i1 %cmp2 to i32 132 br label %for.cond 133 } 134
