; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32I %s declare {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %b) declare {i32, i1} @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) declare {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 %b) declare {i32, i1} @llvm.usub.with.overflow.i32(i32 %a, i32 %b) define i1 @sadd(i32 %a, i32 %b, i32* %c) nounwind { ; RV32I-LABEL: sadd: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: add a3, a0, a1 ; RV32I-NEXT: slt a0, a3, a0 ; RV32I-NEXT: slti a1, a1, 0 ; RV32I-NEXT: xor a0, a1, a0 ; RV32I-NEXT: sw a3, 0(a2) ; RV32I-NEXT: ret entry: %x = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %b) %calc = extractvalue {i32, i1} %x, 0 %ovf = extractvalue {i32, i1} %x, 1 store i32 %calc, i32* %c ret i1 %ovf } define i1 @ssub(i32 %a, i32 %b, i32* %c) nounwind { ; RV32I-LABEL: ssub: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: sgtz a3, a1 ; RV32I-NEXT: sub a1, a0, a1 ; RV32I-NEXT: slt a0, a1, a0 ; RV32I-NEXT: xor a0, a3, a0 ; RV32I-NEXT: sw a1, 0(a2) ; RV32I-NEXT: ret entry: %x = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) %calc = extractvalue {i32, i1} %x, 0 %ovf = extractvalue {i32, i1} %x, 1 store i32 %calc, i32* %c ret i1 %ovf } define i1 @uadd(i32 %a, i32 %b, i32* %c) nounwind { ; RV32I-LABEL: uadd: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: add a1, a0, a1 ; RV32I-NEXT: sltu a0, a1, a0 ; RV32I-NEXT: sw a1, 0(a2) ; RV32I-NEXT: ret entry: %x = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 %b) %calc = extractvalue {i32, i1} %x, 0 %ovf = extractvalue {i32, i1} %x, 1 store i32 %calc, i32* %c ret i1 %ovf } define i1 @usub(i32 %a, i32 %b, i32* %c) nounwind { ; RV32I-LABEL: usub: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: sub a1, a0, a1 ; RV32I-NEXT: sltu a0, a0, a1 ; RV32I-NEXT: sw a1, 0(a2) ; RV32I-NEXT: ret entry: %x = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %a, i32 %b) %calc = extractvalue {i32, i1} %x, 0 %ovf = extractvalue {i32, i1} %x, 1 store i32 %calc, i32* %c ret i1 %ovf }