1 ; RUN: llvm-as < %s -o /dev/null 2 3 define i8 @f1(i8* %x) { 4 entry: 5 %y = load i8* %x, align 1, !range !0 6 ret i8 %y 7 } 8 !0 = metadata !{i8 0, i8 1} 9 10 define i8 @f2(i8* %x) { 11 entry: 12 %y = load i8* %x, align 1, !range !1 13 ret i8 %y 14 } 15 !1 = metadata !{i8 255, i8 1} 16 17 define i8 @f3(i8* %x) { 18 entry: 19 %y = load i8* %x, align 1, !range !2 20 ret i8 %y 21 } 22 !2 = metadata !{i8 1, i8 3, i8 5, i8 42} 23 24 define i8 @f4(i8* %x) { 25 entry: 26 %y = load i8* %x, align 1, !range !3 27 ret i8 %y 28 } 29 !3 = metadata !{i8 -1, i8 0, i8 1, i8 2} 30 31 define i8 @f5(i8* %x) { 32 entry: 33 %y = load i8* %x, align 1, !range !4 34 ret i8 %y 35 } 36 !4 = metadata !{i8 -1, i8 0, i8 1, i8 -2} 37 38 ; We can annotate the range of the return value of a CALL. 39 define void @call_all(i8* %x) { 40 entry: 41 %v1 = call i8 @f1(i8* %x), !range !0 42 %v2 = call i8 @f2(i8* %x), !range !1 43 %v3 = call i8 @f3(i8* %x), !range !2 44 %v4 = call i8 @f4(i8* %x), !range !3 45 %v5 = call i8 @f5(i8* %x), !range !4 46 ret void 47 } 48 49 ; We can annotate the range of the return value of an INVOKE. 50 define void @invoke_all(i8* %x) { 51 entry: 52 %v1 = invoke i8 @f1(i8* %x) to label %cont unwind label %lpad, !range !0 53 %v2 = invoke i8 @f2(i8* %x) to label %cont unwind label %lpad, !range !1 54 %v3 = invoke i8 @f3(i8* %x) to label %cont unwind label %lpad, !range !2 55 %v4 = invoke i8 @f4(i8* %x) to label %cont unwind label %lpad, !range !3 56 %v5 = invoke i8 @f5(i8* %x) to label %cont unwind label %lpad, !range !4 57 58 cont: 59 ret void 60 61 lpad: 62 %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) 63 filter [0 x i8*] zeroinitializer 64 ret void 65 } 66 declare i32 @__gxx_personality_v0(...) 67