; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc --mtriple=loongarch32 -mattr=-32s,+d < %s | FileCheck %s --check-prefix=LA32R ; RUN: llc --mtriple=loongarch32 -mattr=+32s,+d < %s | FileCheck %s --check-prefix=LA32S ; RUN: llc --mtriple=loongarch64 -mattr=+d < %s | FileCheck %s --check-prefix=LA64 ;; Exercise the 'lshr' LLVM IR: https://llvm.org/docs/LangRef.html#lshr-instruction define i1 @lshr_i1(i1 %x, i1 %y) { ; LA32R-LABEL: lshr_i1: ; LA32R: # %bb.0: ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i1: ; LA32S: # %bb.0: ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i1: ; LA64: # %bb.0: ; LA64-NEXT: ret %lshr = lshr i1 %x, %y ret i1 %lshr } define i8 @lshr_i8(i8 %x, i8 %y) { ; LA32R-LABEL: lshr_i8: ; LA32R: # %bb.0: ; LA32R-NEXT: andi $a0, $a0, 255 ; LA32R-NEXT: srl.w $a0, $a0, $a1 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i8: ; LA32S: # %bb.0: ; LA32S-NEXT: andi $a0, $a0, 255 ; LA32S-NEXT: srl.w $a0, $a0, $a1 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i8: ; LA64: # %bb.0: ; LA64-NEXT: andi $a0, $a0, 255 ; LA64-NEXT: srl.d $a0, $a0, $a1 ; LA64-NEXT: ret %lshr = lshr i8 %x, %y ret i8 %lshr } define i16 @lshr_i16(i16 %x, i16 %y) { ; LA32R-LABEL: lshr_i16: ; LA32R: # %bb.0: ; LA32R-NEXT: lu12i.w $a2, 15 ; LA32R-NEXT: ori $a2, $a2, 4095 ; LA32R-NEXT: and $a0, $a0, $a2 ; LA32R-NEXT: srl.w $a0, $a0, $a1 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i16: ; LA32S: # %bb.0: ; LA32S-NEXT: bstrpick.w $a0, $a0, 15, 0 ; LA32S-NEXT: srl.w $a0, $a0, $a1 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i16: ; LA64: # %bb.0: ; LA64-NEXT: bstrpick.d $a0, $a0, 15, 0 ; LA64-NEXT: srl.d $a0, $a0, $a1 ; LA64-NEXT: ret %lshr = lshr i16 %x, %y ret i16 %lshr } define i32 @lshr_i32(i32 %x, i32 %y) { ; LA32R-LABEL: lshr_i32: ; LA32R: # %bb.0: ; LA32R-NEXT: srl.w $a0, $a0, $a1 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i32: ; LA32S: # %bb.0: ; LA32S-NEXT: srl.w $a0, $a0, $a1 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i32: ; LA64: # %bb.0: ; LA64-NEXT: srl.w $a0, $a0, $a1 ; LA64-NEXT: ret %lshr = lshr i32 %x, %y ret i32 %lshr } define i64 @lshr_i64(i64 %x, i64 %y) { ; LA32R-LABEL: lshr_i64: ; LA32R: # %bb.0: ; LA32R-NEXT: addi.w $a3, $a2, -32 ; LA32R-NEXT: bltz $a3, .LBB4_2 ; LA32R-NEXT: # %bb.1: ; LA32R-NEXT: srl.w $a0, $a1, $a3 ; LA32R-NEXT: b .LBB4_3 ; LA32R-NEXT: .LBB4_2: ; LA32R-NEXT: srl.w $a0, $a0, $a2 ; LA32R-NEXT: xori $a4, $a2, 31 ; LA32R-NEXT: slli.w $a5, $a1, 1 ; LA32R-NEXT: sll.w $a4, $a5, $a4 ; LA32R-NEXT: or $a0, $a0, $a4 ; LA32R-NEXT: .LBB4_3: ; LA32R-NEXT: slti $a3, $a3, 0 ; LA32R-NEXT: sub.w $a3, $zero, $a3 ; LA32R-NEXT: srl.w $a1, $a1, $a2 ; LA32R-NEXT: and $a1, $a3, $a1 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i64: ; LA32S: # %bb.0: ; LA32S-NEXT: srl.w $a0, $a0, $a2 ; LA32S-NEXT: xori $a3, $a2, 31 ; LA32S-NEXT: slli.w $a4, $a1, 1 ; LA32S-NEXT: sll.w $a3, $a4, $a3 ; LA32S-NEXT: or $a0, $a0, $a3 ; LA32S-NEXT: addi.w $a3, $a2, -32 ; LA32S-NEXT: slti $a4, $a3, 0 ; LA32S-NEXT: maskeqz $a0, $a0, $a4 ; LA32S-NEXT: srl.w $a5, $a1, $a3 ; LA32S-NEXT: masknez $a4, $a5, $a4 ; LA32S-NEXT: or $a0, $a0, $a4 ; LA32S-NEXT: srl.w $a1, $a1, $a2 ; LA32S-NEXT: srai.w $a2, $a3, 31 ; LA32S-NEXT: and $a1, $a2, $a1 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i64: ; LA64: # %bb.0: ; LA64-NEXT: srl.d $a0, $a0, $a1 ; LA64-NEXT: ret %lshr = lshr i64 %x, %y ret i64 %lshr } define i1 @lshr_i1_3(i1 %x) { ; LA32R-LABEL: lshr_i1_3: ; LA32R: # %bb.0: ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i1_3: ; LA32S: # %bb.0: ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i1_3: ; LA64: # %bb.0: ; LA64-NEXT: ret %lshr = lshr i1 %x, 3 ret i1 %lshr } define i8 @lshr_i8_3(i8 %x) { ; LA32R-LABEL: lshr_i8_3: ; LA32R: # %bb.0: ; LA32R-NEXT: andi $a0, $a0, 248 ; LA32R-NEXT: srli.w $a0, $a0, 3 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i8_3: ; LA32S: # %bb.0: ; LA32S-NEXT: bstrpick.w $a0, $a0, 7, 3 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i8_3: ; LA64: # %bb.0: ; LA64-NEXT: bstrpick.d $a0, $a0, 7, 3 ; LA64-NEXT: ret %lshr = lshr i8 %x, 3 ret i8 %lshr } define i16 @lshr_i16_3(i16 %x) { ; LA32R-LABEL: lshr_i16_3: ; LA32R: # %bb.0: ; LA32R-NEXT: lu12i.w $a1, 15 ; LA32R-NEXT: ori $a1, $a1, 4088 ; LA32R-NEXT: and $a0, $a0, $a1 ; LA32R-NEXT: srli.w $a0, $a0, 3 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i16_3: ; LA32S: # %bb.0: ; LA32S-NEXT: bstrpick.w $a0, $a0, 15, 3 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i16_3: ; LA64: # %bb.0: ; LA64-NEXT: bstrpick.d $a0, $a0, 15, 3 ; LA64-NEXT: ret %lshr = lshr i16 %x, 3 ret i16 %lshr } define i32 @lshr_i32_3(i32 %x) { ; LA32R-LABEL: lshr_i32_3: ; LA32R: # %bb.0: ; LA32R-NEXT: srli.w $a0, $a0, 3 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i32_3: ; LA32S: # %bb.0: ; LA32S-NEXT: srli.w $a0, $a0, 3 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i32_3: ; LA64: # %bb.0: ; LA64-NEXT: bstrpick.d $a0, $a0, 31, 3 ; LA64-NEXT: ret %lshr = lshr i32 %x, 3 ret i32 %lshr } define i64 @lshr_i64_3(i64 %x) { ; LA32R-LABEL: lshr_i64_3: ; LA32R: # %bb.0: ; LA32R-NEXT: slli.w $a2, $a1, 29 ; LA32R-NEXT: srli.w $a0, $a0, 3 ; LA32R-NEXT: or $a0, $a0, $a2 ; LA32R-NEXT: srli.w $a1, $a1, 3 ; LA32R-NEXT: ret ; ; LA32S-LABEL: lshr_i64_3: ; LA32S: # %bb.0: ; LA32S-NEXT: slli.w $a2, $a1, 29 ; LA32S-NEXT: srli.w $a0, $a0, 3 ; LA32S-NEXT: or $a0, $a0, $a2 ; LA32S-NEXT: srli.w $a1, $a1, 3 ; LA32S-NEXT: ret ; ; LA64-LABEL: lshr_i64_3: ; LA64: # %bb.0: ; LA64-NEXT: srli.d $a0, $a0, 3 ; LA64-NEXT: ret %lshr = lshr i64 %x, 3 ret i64 %lshr }