1; RUN: llvm-as < %s | llc 2 3@ok = internal constant [4 x i8] c"%d\0A\00" 4@no = internal constant [4 x i8] c"no\0A\00" 5 6define i1 @foo(i32 %v1, i32 %v2) nounwind { 7entry: 8 %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) 9 %sum = extractvalue {i32, i1} %t, 0 10 %obit = extractvalue {i32, i1} %t, 1 11 br i1 %obit, label %overflow, label %normal 12 13normal: 14 %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind 15 ret i1 true 16 17overflow: 18 %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind 19 ret i1 false 20} 21 22declare i32 @printf(i8*, ...) nounwind 23declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) 24