; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc --mtriple=loongarch32 --verify-machineinstrs < %s \ ; RUN: | FileCheck %s --check-prefix=LA32 ; RUN: llc --mtriple=loongarch64 --verify-machineinstrs < %s \ ; RUN: | FileCheck %s --check-prefix=LA64 declare i16 @llvm.bswap.i16(i16) declare i32 @llvm.bswap.i32(i32) declare i48 @llvm.bswap.i48(i48) declare i64 @llvm.bswap.i64(i64) declare i80 @llvm.bswap.i80(i80) declare i128 @llvm.bswap.i128(i128) define i16 @test_bswap_i16(i16 %a) nounwind { ; LA32-LABEL: test_bswap_i16: ; LA32: # %bb.0: ; LA32-NEXT: revb.2h $a0, $a0 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_i16: ; LA64: # %bb.0: ; LA64-NEXT: revb.2h $a0, $a0 ; LA64-NEXT: ret %tmp = call i16 @llvm.bswap.i16(i16 %a) ret i16 %tmp } define i32 @test_bswap_i32(i32 %a) nounwind { ; LA32-LABEL: test_bswap_i32: ; LA32: # %bb.0: ; LA32-NEXT: revb.2h $a0, $a0 ; LA32-NEXT: rotri.w $a0, $a0, 16 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_i32: ; LA64: # %bb.0: ; LA64-NEXT: revb.2w $a0, $a0 ; LA64-NEXT: ret %tmp = call i32 @llvm.bswap.i32(i32 %a) ret i32 %tmp } define i64 @test_bswap_i64(i64 %a) nounwind { ; LA32-LABEL: test_bswap_i64: ; LA32: # %bb.0: ; LA32-NEXT: revb.2h $a1, $a1 ; LA32-NEXT: rotri.w $a2, $a1, 16 ; LA32-NEXT: revb.2h $a0, $a0 ; LA32-NEXT: rotri.w $a1, $a0, 16 ; LA32-NEXT: move $a0, $a2 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_i64: ; LA64: # %bb.0: ; LA64-NEXT: revb.d $a0, $a0 ; LA64-NEXT: ret %tmp = call i64 @llvm.bswap.i64(i64 %a) ret i64 %tmp } ;; Bswap on non-native integer widths. define i48 @test_bswap_i48(i48 %a) nounwind { ; LA32-LABEL: test_bswap_i48: ; LA32: # %bb.0: ; LA32-NEXT: revb.2h $a0, $a0 ; LA32-NEXT: rotri.w $a2, $a0, 16 ; LA32-NEXT: revb.2h $a0, $a1 ; LA32-NEXT: rotri.w $a0, $a0, 16 ; LA32-NEXT: bytepick.w $a0, $a0, $a2, 2 ; LA32-NEXT: srli.w $a1, $a2, 16 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_i48: ; LA64: # %bb.0: ; LA64-NEXT: revb.d $a0, $a0 ; LA64-NEXT: srli.d $a0, $a0, 16 ; LA64-NEXT: ret %tmp = call i48 @llvm.bswap.i48(i48 %a) ret i48 %tmp } define i80 @test_bswap_i80(i80 %a) nounwind { ; LA32-LABEL: test_bswap_i80: ; LA32: # %bb.0: ; LA32-NEXT: ld.w $a2, $a1, 0 ; LA32-NEXT: revb.2h $a2, $a2 ; LA32-NEXT: rotri.w $a2, $a2, 16 ; LA32-NEXT: ld.w $a3, $a1, 4 ; LA32-NEXT: revb.2h $a3, $a3 ; LA32-NEXT: rotri.w $a3, $a3, 16 ; LA32-NEXT: bytepick.w $a4, $a3, $a2, 2 ; LA32-NEXT: st.w $a4, $a0, 4 ; LA32-NEXT: ld.w $a1, $a1, 8 ; LA32-NEXT: revb.2h $a1, $a1 ; LA32-NEXT: rotri.w $a1, $a1, 16 ; LA32-NEXT: bytepick.w $a1, $a1, $a3, 2 ; LA32-NEXT: st.w $a1, $a0, 0 ; LA32-NEXT: srli.w $a1, $a2, 16 ; LA32-NEXT: st.h $a1, $a0, 8 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_i80: ; LA64: # %bb.0: ; LA64-NEXT: revb.d $a2, $a0 ; LA64-NEXT: revb.d $a0, $a1 ; LA64-NEXT: bytepick.d $a0, $a0, $a2, 2 ; LA64-NEXT: srli.d $a1, $a2, 48 ; LA64-NEXT: ret %tmp = call i80 @llvm.bswap.i80(i80 %a) ret i80 %tmp } define i128 @test_bswap_i128(i128 %a) nounwind { ; LA32-LABEL: test_bswap_i128: ; LA32: # %bb.0: ; LA32-NEXT: ld.w $a2, $a1, 0 ; LA32-NEXT: revb.2h $a2, $a2 ; LA32-NEXT: rotri.w $a2, $a2, 16 ; LA32-NEXT: st.w $a2, $a0, 12 ; LA32-NEXT: ld.w $a2, $a1, 4 ; LA32-NEXT: revb.2h $a2, $a2 ; LA32-NEXT: rotri.w $a2, $a2, 16 ; LA32-NEXT: st.w $a2, $a0, 8 ; LA32-NEXT: ld.w $a2, $a1, 8 ; LA32-NEXT: revb.2h $a2, $a2 ; LA32-NEXT: rotri.w $a2, $a2, 16 ; LA32-NEXT: st.w $a2, $a0, 4 ; LA32-NEXT: ld.w $a1, $a1, 12 ; LA32-NEXT: revb.2h $a1, $a1 ; LA32-NEXT: rotri.w $a1, $a1, 16 ; LA32-NEXT: st.w $a1, $a0, 0 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_i128: ; LA64: # %bb.0: ; LA64-NEXT: revb.d $a2, $a1 ; LA64-NEXT: revb.d $a1, $a0 ; LA64-NEXT: move $a0, $a2 ; LA64-NEXT: ret %tmp = call i128 @llvm.bswap.i128(i128 %a) ret i128 %tmp }