; RUN: llc < %s -march=x86 -mtriple=x86_64-unknown-freebsd7.2 ; PR4478 %struct.sockaddr = type <{ i8, i8, [14 x i8] }> define i32 @main(i32 %argc, i8** %argv) nounwind { entry: br label %while.cond while.cond: ; preds = %sw.bb6, %entry switch i32 undef, label %sw.default [ i32 -1, label %while.end i32 119, label %sw.bb6 ] sw.bb6: ; preds = %while.cond br i1 undef, label %if.then, label %while.cond if.then: ; preds = %sw.bb6 ret i32 1 sw.default: ; preds = %while.cond ret i32 1 while.end: ; preds = %while.cond br i1 undef, label %if.then15, label %if.end16 if.then15: ; preds = %while.end ret i32 1 if.end16: ; preds = %while.end br i1 undef, label %lor.lhs.false, label %if.then21 lor.lhs.false: ; preds = %if.end16 br i1 undef, label %if.end22, label %if.then21 if.then21: ; preds = %lor.lhs.false, %if.end16 ret i32 1 if.end22: ; preds = %lor.lhs.false br i1 undef, label %lor.lhs.false27, label %if.then51 lor.lhs.false27: ; preds = %if.end22 br i1 undef, label %lor.lhs.false39, label %if.then51 lor.lhs.false39: ; preds = %lor.lhs.false27 br i1 undef, label %if.end52, label %if.then51 if.then51: ; preds = %lor.lhs.false39, %lor.lhs.false27, %if.end22 ret i32 1 if.end52: ; preds = %lor.lhs.false39 br i1 undef, label %if.then57, label %if.end58 if.then57: ; preds = %if.end52 ret i32 1 if.end58: ; preds = %if.end52 br i1 undef, label %if.then64, label %if.end65 if.then64: ; preds = %if.end58 ret i32 1 if.end65: ; preds = %if.end58 br i1 undef, label %if.then71, label %if.end72 if.then71: ; preds = %if.end65 ret i32 1 if.end72: ; preds = %if.end65 br i1 undef, label %if.then83, label %if.end84 if.then83: ; preds = %if.end72 ret i32 1 if.end84: ; preds = %if.end72 br i1 undef, label %if.then101, label %if.end102 if.then101: ; preds = %if.end84 ret i32 1 if.end102: ; preds = %if.end84 br i1 undef, label %if.then113, label %if.end114 if.then113: ; preds = %if.end102 ret i32 1 if.end114: ; preds = %if.end102 br i1 undef, label %if.then209, label %if.end210 if.then209: ; preds = %if.end114 ret i32 1 if.end210: ; preds = %if.end114 br i1 undef, label %if.then219, label %if.end220 if.then219: ; preds = %if.end210 ret i32 1 if.end220: ; preds = %if.end210 br i1 undef, label %if.end243, label %lor.lhs.false230 lor.lhs.false230: ; preds = %if.end220 unreachable if.end243: ; preds = %if.end220 br i1 undef, label %if.then249, label %if.end250 if.then249: ; preds = %if.end243 ret i32 1 if.end250: ; preds = %if.end243 br i1 undef, label %if.end261, label %if.then260 if.then260: ; preds = %if.end250 ret i32 1 if.end261: ; preds = %if.end250 br i1 undef, label %if.then270, label %if.end271 if.then270: ; preds = %if.end261 ret i32 1 if.end271: ; preds = %if.end261 %call.i = call i32 @arc4random() nounwind ; <i32> [#uses=1] %rem.i = urem i32 %call.i, 16383 ; <i32> [#uses=1] %rem1.i = trunc i32 %rem.i to i16 ; <i16> [#uses=1] %conv2.i = or i16 %rem1.i, -16384 ; <i16> [#uses=1] %0 = call i16 asm "xchgb ${0:h}, ${0:b}", "=Q,0,~{dirflag},~{fpsr},~{flags}"(i16 %conv2.i) nounwind ; <i16> [#uses=1] store i16 %0, i16* undef %call281 = call i32 @bind(i32 undef, %struct.sockaddr* undef, i32 16) nounwind ; <i32> [#uses=0] unreachable } declare i32 @bind(i32, %struct.sockaddr*, i32) declare i32 @arc4random()