1; RUN: llc < %s -march=c 2; Check that uadd and sadd with overflow are handled by C Backend. 3 4%0 = type { i32, i1 } ; type %0 5 6define i1 @func1(i32 zeroext %v1, i32 zeroext %v2) nounwind { 7entry: 8 %t = call %0 @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) ; <%0> [#uses=1] 9 %obit = extractvalue %0 %t, 1 ; <i1> [#uses=1] 10 br i1 %obit, label %carry, label %normal 11 12normal: ; preds = %entry 13 ret i1 true 14 15carry: ; preds = %entry 16 ret i1 false 17} 18 19define i1 @func2(i32 signext %v1, i32 signext %v2) nounwind { 20entry: 21 %t = call %0 @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) ; <%0> [#uses=1] 22 %obit = extractvalue %0 %t, 1 ; <i1> [#uses=1] 23 br i1 %obit, label %carry, label %normal 24 25normal: ; preds = %entry 26 ret i1 true 27 28carry: ; preds = %entry 29 ret i1 false 30} 31 32declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind 33 34declare %0 @llvm.uadd.with.overflow.i32(i32, i32) nounwind 35 36