1 ; RUN: llc < %s -march=x86 -mtriple=x86_64-unknown-freebsd7.2 2 ; PR4478 3 4 %struct.sockaddr = type <{ i8, i8, [14 x i8] }> 5 6 define i32 @main(i32 %argc, i8** %argv) nounwind { 7 entry: 8 br label %while.cond 9 10 while.cond: ; preds = %sw.bb6, %entry 11 switch i32 undef, label %sw.default [ 12 i32 -1, label %while.end 13 i32 119, label %sw.bb6 14 ] 15 16 sw.bb6: ; preds = %while.cond 17 br i1 undef, label %if.then, label %while.cond 18 19 if.then: ; preds = %sw.bb6 20 ret i32 1 21 22 sw.default: ; preds = %while.cond 23 ret i32 1 24 25 while.end: ; preds = %while.cond 26 br i1 undef, label %if.then15, label %if.end16 27 28 if.then15: ; preds = %while.end 29 ret i32 1 30 31 if.end16: ; preds = %while.end 32 br i1 undef, label %lor.lhs.false, label %if.then21 33 34 lor.lhs.false: ; preds = %if.end16 35 br i1 undef, label %if.end22, label %if.then21 36 37 if.then21: ; preds = %lor.lhs.false, %if.end16 38 ret i32 1 39 40 if.end22: ; preds = %lor.lhs.false 41 br i1 undef, label %lor.lhs.false27, label %if.then51 42 43 lor.lhs.false27: ; preds = %if.end22 44 br i1 undef, label %lor.lhs.false39, label %if.then51 45 46 lor.lhs.false39: ; preds = %lor.lhs.false27 47 br i1 undef, label %if.end52, label %if.then51 48 49 if.then51: ; preds = %lor.lhs.false39, %lor.lhs.false27, %if.end22 50 ret i32 1 51 52 if.end52: ; preds = %lor.lhs.false39 53 br i1 undef, label %if.then57, label %if.end58 54 55 if.then57: ; preds = %if.end52 56 ret i32 1 57 58 if.end58: ; preds = %if.end52 59 br i1 undef, label %if.then64, label %if.end65 60 61 if.then64: ; preds = %if.end58 62 ret i32 1 63 64 if.end65: ; preds = %if.end58 65 br i1 undef, label %if.then71, label %if.end72 66 67 if.then71: ; preds = %if.end65 68 ret i32 1 69 70 if.end72: ; preds = %if.end65 71 br i1 undef, label %if.then83, label %if.end84 72 73 if.then83: ; preds = %if.end72 74 ret i32 1 75 76 if.end84: ; preds = %if.end72 77 br i1 undef, label %if.then101, label %if.end102 78 79 if.then101: ; preds = %if.end84 80 ret i32 1 81 82 if.end102: ; preds = %if.end84 83 br i1 undef, label %if.then113, label %if.end114 84 85 if.then113: ; preds = %if.end102 86 ret i32 1 87 88 if.end114: ; preds = %if.end102 89 br i1 undef, label %if.then209, label %if.end210 90 91 if.then209: ; preds = %if.end114 92 ret i32 1 93 94 if.end210: ; preds = %if.end114 95 br i1 undef, label %if.then219, label %if.end220 96 97 if.then219: ; preds = %if.end210 98 ret i32 1 99 100 if.end220: ; preds = %if.end210 101 br i1 undef, label %if.end243, label %lor.lhs.false230 102 103 lor.lhs.false230: ; preds = %if.end220 104 unreachable 105 106 if.end243: ; preds = %if.end220 107 br i1 undef, label %if.then249, label %if.end250 108 109 if.then249: ; preds = %if.end243 110 ret i32 1 111 112 if.end250: ; preds = %if.end243 113 br i1 undef, label %if.end261, label %if.then260 114 115 if.then260: ; preds = %if.end250 116 ret i32 1 117 118 if.end261: ; preds = %if.end250 119 br i1 undef, label %if.then270, label %if.end271 120 121 if.then270: ; preds = %if.end261 122 ret i32 1 123 124 if.end271: ; preds = %if.end261 125 %call.i = call i32 @arc4random() nounwind ; <i32> [#uses=1] 126 %rem.i = urem i32 %call.i, 16383 ; <i32> [#uses=1] 127 %rem1.i = trunc i32 %rem.i to i16 ; <i16> [#uses=1] 128 %conv2.i = or i16 %rem1.i, -16384 ; <i16> [#uses=1] 129 %0 = call i16 asm "xchgb ${0:h}, ${0:b}", "=Q,0,~{dirflag},~{fpsr},~{flags}"(i16 %conv2.i) nounwind ; <i16> [#uses=1] 130 store i16 %0, i16* undef 131 %call281 = call i32 @bind(i32 undef, %struct.sockaddr* undef, i32 16) nounwind ; <i32> [#uses=0] 132 unreachable 133 } 134 135 declare i32 @bind(i32, %struct.sockaddr*, i32) 136 137 declare i32 @arc4random() 138
