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; RUN: llc < %s
@ok = internal constant [4 x i8] c"%d\0A\00"
@no = internal constant [4 x i8] c"no\0A\00"
define i1 @func1(i24 signext %v1, i24 signext %v2) nounwind {
entry:
%t = call {i24, i1} @llvm.sadd.with.overflow.i24(i24 %v1, i24 %v2)
%sum = extractvalue {i24, i1} %t, 0
%sum32 = sext i24 %sum to i32
%obit = extractvalue {i24, i1} %t, 1
br i1 %obit, label %overflow, label %normal
normal:
%t1 = tail call i32 (ptr, ...) @printf( ptr @ok, i32 %sum32 ) nounwind
ret i1 true
overflow:
%t2 = tail call i32 (ptr, ...) @printf( ptr @no ) nounwind
ret i1 false
}
define i1 @func2(i24 zeroext %v1, i24 zeroext %v2) nounwind {
entry:
%t = call {i24, i1} @llvm.uadd.with.overflow.i24(i24 %v1, i24 %v2)
%sum = extractvalue {i24, i1} %t, 0
%sum32 = zext i24 %sum to i32
%obit = extractvalue {i24, i1} %t, 1
br i1 %obit, label %carry, label %normal
normal:
%t1 = tail call i32 (ptr, ...) @printf( ptr @ok, i32 %sum32 ) nounwind
ret i1 true
carry:
%t2 = tail call i32 (ptr, ...) @printf( ptr @no ) nounwind
ret i1 false
}
declare i32 @printf(ptr, ...) nounwind
declare {i24, i1} @llvm.sadd.with.overflow.i24(i24, i24)
declare {i24, i1} @llvm.uadd.with.overflow.i24(i24, i24)
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