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 6 define i1 @func1(i32 zeroext %v1, i32 zeroext %v2) nounwind { 7 entry: 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 12 normal: ; preds = %entry 13 ret i1 true 14 15 carry: ; preds = %entry 16 ret i1 false 17 } 18 19 define i1 @func2(i32 signext %v1, i32 signext %v2) nounwind { 20 entry: 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 25 normal: ; preds = %entry 26 ret i1 true 27 28 carry: ; preds = %entry 29 ret i1 false 30 } 31 32 declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind 33 34 declare %0 @llvm.uadd.with.overflow.i32(i32, i32) nounwind 35 36
