; 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.bitreverse.i16(i16) declare i32 @llvm.bitreverse.i32(i32) declare i64 @llvm.bitreverse.i64(i64) declare i16 @llvm.bswap.i16(i16) declare i32 @llvm.bswap.i32(i32) declare i64 @llvm.bswap.i64(i64) define i16 @test_bswap_bitreverse_i16(i16 %a) nounwind { ; LA32-LABEL: test_bswap_bitreverse_i16: ; LA32: # %bb.0: ; LA32-NEXT: revb.2h $a0, $a0 ; LA32-NEXT: bitrev.w $a0, $a0 ; LA32-NEXT: srli.w $a0, $a0, 16 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_bitreverse_i16: ; LA64: # %bb.0: ; LA64-NEXT: revb.2h $a0, $a0 ; LA64-NEXT: bitrev.d $a0, $a0 ; LA64-NEXT: srli.d $a0, $a0, 48 ; LA64-NEXT: ret %tmp = call i16 @llvm.bswap.i16(i16 %a) %tmp2 = call i16 @llvm.bitreverse.i16(i16 %tmp) ret i16 %tmp2 } define i32 @test_bswap_bitreverse_i32(i32 %a) nounwind { ; LA32-LABEL: test_bswap_bitreverse_i32: ; LA32: # %bb.0: ; LA32-NEXT: bitrev.4b $a0, $a0 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_bitreverse_i32: ; LA64: # %bb.0: ; LA64-NEXT: bitrev.4b $a0, $a0 ; LA64-NEXT: ret %tmp = call i32 @llvm.bswap.i32(i32 %a) %tmp2 = call i32 @llvm.bitreverse.i32(i32 %tmp) ret i32 %tmp2 } define i64 @test_bswap_bitreverse_i64(i64 %a) nounwind { ; LA32-LABEL: test_bswap_bitreverse_i64: ; LA32: # %bb.0: ; LA32-NEXT: bitrev.4b $a0, $a0 ; LA32-NEXT: bitrev.4b $a1, $a1 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bswap_bitreverse_i64: ; LA64: # %bb.0: ; LA64-NEXT: bitrev.8b $a0, $a0 ; LA64-NEXT: ret %tmp = call i64 @llvm.bswap.i64(i64 %a) %tmp2 = call i64 @llvm.bitreverse.i64(i64 %tmp) ret i64 %tmp2 } define i16 @test_bitreverse_bswap_i16(i16 %a) nounwind { ; LA32-LABEL: test_bitreverse_bswap_i16: ; LA32: # %bb.0: ; LA32-NEXT: revb.2h $a0, $a0 ; LA32-NEXT: bitrev.w $a0, $a0 ; LA32-NEXT: srli.w $a0, $a0, 16 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bitreverse_bswap_i16: ; LA64: # %bb.0: ; LA64-NEXT: revb.2h $a0, $a0 ; LA64-NEXT: bitrev.d $a0, $a0 ; LA64-NEXT: srli.d $a0, $a0, 48 ; LA64-NEXT: ret %tmp = call i16 @llvm.bitreverse.i16(i16 %a) %tmp2 = call i16 @llvm.bswap.i16(i16 %tmp) ret i16 %tmp2 } define i32 @test_bitreverse_bswap_i32(i32 %a) nounwind { ; LA32-LABEL: test_bitreverse_bswap_i32: ; LA32: # %bb.0: ; LA32-NEXT: bitrev.4b $a0, $a0 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bitreverse_bswap_i32: ; LA64: # %bb.0: ; LA64-NEXT: bitrev.4b $a0, $a0 ; LA64-NEXT: ret %tmp = call i32 @llvm.bitreverse.i32(i32 %a) %tmp2 = call i32 @llvm.bswap.i32(i32 %tmp) ret i32 %tmp2 } define i64 @test_bitreverse_bswap_i64(i64 %a) nounwind { ; LA32-LABEL: test_bitreverse_bswap_i64: ; LA32: # %bb.0: ; LA32-NEXT: bitrev.4b $a0, $a0 ; LA32-NEXT: bitrev.4b $a1, $a1 ; LA32-NEXT: ret ; ; LA64-LABEL: test_bitreverse_bswap_i64: ; LA64: # %bb.0: ; LA64-NEXT: bitrev.8b $a0, $a0 ; LA64-NEXT: ret %tmp = call i64 @llvm.bitreverse.i64(i64 %a) %tmp2 = call i64 @llvm.bswap.i64(i64 %tmp) ret i64 %tmp2 } define i32 @pr55484(i32 %0) { ; LA32-LABEL: pr55484: ; LA32: # %bb.0: ; LA32-NEXT: slli.w $a1, $a0, 8 ; LA32-NEXT: srli.w $a0, $a0, 8 ; LA32-NEXT: or $a0, $a0, $a1 ; LA32-NEXT: ext.w.h $a0, $a0 ; LA32-NEXT: ret ; ; LA64-LABEL: pr55484: ; LA64: # %bb.0: ; LA64-NEXT: slli.d $a1, $a0, 8 ; LA64-NEXT: srli.d $a0, $a0, 8 ; LA64-NEXT: or $a0, $a0, $a1 ; LA64-NEXT: ext.w.h $a0, $a0 ; LA64-NEXT: ret %2 = lshr i32 %0, 8 %3 = shl i32 %0, 8 %4 = or i32 %2, %3 %5 = trunc i32 %4 to i16 %6 = sext i16 %5 to i32 ret i32 %6 }