mul-with-overflow.ll
517 Bytes
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32--
declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
define zeroext i1 @a(i32 %x) nounwind {
%res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3)
%obil = extractvalue {i32, i1} %res, 1
ret i1 %obil
}
declare {i32, i1} @llvm.smul.with.overflow.i32(i32 %a, i32 %b)
define zeroext i1 @b(i32 %x) nounwind {
%res = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %x, i32 3)
%obil = extractvalue {i32, i1} %res, 1
ret i1 %obil
}