1 ; RUN: llc < %s -march=x86 | grep "jc" | count 1 2 ; XFAIL: * 3 4 ; FIXME: umul-with-overflow not supported yet. 5 6 @ok = internal constant [4 x i8] c"%d\0A\00" 7 @no = internal constant [4 x i8] c"no\0A\00" 8 9 define i1 @func(i32 %v1, i32 %v2) nounwind { 10 entry: 11 %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2) 12 %sum = extractvalue {i32, i1} %t, 0 13 %obit = extractvalue {i32, i1} %t, 1 14 br i1 %obit, label %carry, label %normal 15 16 normal: 17 %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind 18 ret i1 true 19 20 carry: 21 %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind 22 ret i1 false 23 } 24 25 declare i32 @printf(i8*, ...) nounwind 26 declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) 27
