| ; RUN: llc < %s -march=c |
| ; Check that uadd and sadd with overflow are handled by C Backend. |
| |
| %0 = type { i32, i1 } ; type %0 |
| |
| define i1 @func1(i32 zeroext %v1, i32 zeroext %v2) nounwind { |
| entry: |
| %t = call %0 @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) ; <%0> [#uses=1] |
| %obit = extractvalue %0 %t, 1 ; <i1> [#uses=1] |
| br i1 %obit, label %carry, label %normal |
| |
| normal: ; preds = %entry |
| ret i1 true |
| |
| carry: ; preds = %entry |
| ret i1 false |
| } |
| |
| define i1 @func2(i32 signext %v1, i32 signext %v2) nounwind { |
| entry: |
| %t = call %0 @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) ; <%0> [#uses=1] |
| %obit = extractvalue %0 %t, 1 ; <i1> [#uses=1] |
| br i1 %obit, label %carry, label %normal |
| |
| normal: ; preds = %entry |
| ret i1 true |
| |
| carry: ; preds = %entry |
| ret i1 false |
| } |
| |
| declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind |
| |
| declare %0 @llvm.uadd.with.overflow.i32(i32, i32) nounwind |
| |
