| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | |
| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ | |
| ; RUN: | FileCheck %s -check-prefix=RV32I | |
| ; TODO: check the generated instructions for the equivalent of seqz, snez, | |
| ; sltz, sgtz map to something simple | |
| define i32 @icmp_eq(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_eq: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: xor a0, a0, a1 | |
| ; RV32I-NEXT: seqz a0, a0 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp eq i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_ne(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_ne: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: xor a0, a0, a1 | |
| ; RV32I-NEXT: snez a0, a0 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp ne i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_ugt(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_ugt: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: sltu a0, a1, a0 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp ugt i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_uge(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_uge: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: sltu a0, a0, a1 | |
| ; RV32I-NEXT: xori a0, a0, 1 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp uge i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_ult(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_ult: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: sltu a0, a0, a1 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp ult i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_ule(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_ule: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: sltu a0, a1, a0 | |
| ; RV32I-NEXT: xori a0, a0, 1 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp ule i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_sgt(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_sgt: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: slt a0, a1, a0 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp sgt i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_sge(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_sge: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: slt a0, a0, a1 | |
| ; RV32I-NEXT: xori a0, a0, 1 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp sge i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_slt(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_slt: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: slt a0, a0, a1 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp slt i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| define i32 @icmp_sle(i32 %a, i32 %b) nounwind { | |
| ; RV32I-LABEL: icmp_sle: | |
| ; RV32I: # %bb.0: | |
| ; RV32I-NEXT: slt a0, a1, a0 | |
| ; RV32I-NEXT: xori a0, a0, 1 | |
| ; RV32I-NEXT: ret | |
| %1 = icmp sle i32 %a, %b | |
| %2 = zext i1 %1 to i32 | |
| ret i32 %2 | |
| } | |
| ; TODO: check variants with an immediate? |