; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -mtriple=riscv32 -global-isel -global-isel-abort=1 -verify-machineinstrs < %s 2>&1 | FileCheck %s --check-prefixes=RV32 ; RUN: llc -mtriple=riscv64 -global-isel -global-isel-abort=1 -verify-machineinstrs < %s 2>&1 | FileCheck %s --check-prefixes=RV64 define i16 @test_lshr_i48(i48 %x) { ; RV32-LABEL: test_lshr_i48: ; RV32: # %bb.0: ; RV32-NEXT: srli a0, a0, 16 ; RV32-NEXT: ret ; ; RV64-LABEL: test_lshr_i48: ; RV64: # %bb.0: ; RV64-NEXT: srliw a0, a0, 16 ; RV64-NEXT: ret %lshr = lshr i48 %x, 16 %trunc = trunc i48 %lshr to i16 ret i16 %trunc } define i16 @test_ashr_i48(i48 %x) { ; RV32-LABEL: test_ashr_i48: ; RV32: # %bb.0: ; RV32-NEXT: srai a0, a0, 16 ; RV32-NEXT: ret ; ; RV64-LABEL: test_ashr_i48: ; RV64: # %bb.0: ; RV64-NEXT: sraiw a0, a0, 16 ; RV64-NEXT: ret %ashr = ashr i48 %x, 16 %trunc = trunc i48 %ashr to i16 ret i16 %trunc } define i16 @test_shl_i48(i48 %x) { ; RV32-LABEL: test_shl_i48: ; RV32: # %bb.0: ; RV32-NEXT: slli a0, a0, 8 ; RV32-NEXT: ret ; ; RV64-LABEL: test_shl_i48: ; RV64: # %bb.0: ; RV64-NEXT: slli a0, a0, 8 ; RV64-NEXT: ret %shl = shl i48 %x, 8 %trunc = trunc i48 %shl to i16 ret i16 %trunc } ; FIXME: Could use srlw to remove slli+srli. define i16 @test_lshr_i48_2(i48 %x, i48 %y) { ; RV32-LABEL: test_lshr_i48_2: ; RV32: # %bb.0: ; RV32-NEXT: andi a2, a2, 15 ; RV32-NEXT: srl a0, a0, a2 ; RV32-NEXT: ret ; ; RV64-LABEL: test_lshr_i48_2: ; RV64: # %bb.0: ; RV64-NEXT: andi a1, a1, 15 ; RV64-NEXT: slli a0, a0, 32 ; RV64-NEXT: srli a0, a0, 32 ; RV64-NEXT: srl a0, a0, a1 ; RV64-NEXT: ret %and = and i48 %y, 15 %lshr = lshr i48 %x, %and %trunc = trunc i48 %lshr to i16 ret i16 %trunc } ; FIXME: Could use sraw to remove the sext.w. define i16 @test_ashr_i48_2(i48 %x, i48 %y) { ; RV32-LABEL: test_ashr_i48_2: ; RV32: # %bb.0: ; RV32-NEXT: andi a2, a2, 15 ; RV32-NEXT: sra a0, a0, a2 ; RV32-NEXT: ret ; ; RV64-LABEL: test_ashr_i48_2: ; RV64: # %bb.0: ; RV64-NEXT: andi a1, a1, 15 ; RV64-NEXT: sext.w a0, a0 ; RV64-NEXT: sra a0, a0, a1 ; RV64-NEXT: ret %and = and i48 %y, 15 %ashr = ashr i48 %x, %and %trunc = trunc i48 %ashr to i16 ret i16 %trunc } define i16 @test_shl_i48_2(i48 %x, i48 %y) { ; RV32-LABEL: test_shl_i48_2: ; RV32: # %bb.0: ; RV32-NEXT: andi a2, a2, 15 ; RV32-NEXT: sll a0, a0, a2 ; RV32-NEXT: ret ; ; RV64-LABEL: test_shl_i48_2: ; RV64: # %bb.0: ; RV64-NEXT: andi a1, a1, 15 ; RV64-NEXT: sll a0, a0, a1 ; RV64-NEXT: ret %and = and i48 %y, 15 %shl = shl i48 %x, %and %trunc = trunc i48 %shl to i16 ret i16 %trunc }