162 lines
3.7 KiB
LLVM
162 lines
3.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32
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; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64
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;; Exercise the 'lshr' LLVM IR: https://llvm.org/docs/LangRef.html#lshr-instruction
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define i1 @lshr_i1(i1 %x, i1 %y) {
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; LA32-LABEL: lshr_i1:
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; LA32: # %bb.0:
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i1:
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; LA64: # %bb.0:
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; LA64-NEXT: ret
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%lshr = lshr i1 %x, %y
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ret i1 %lshr
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}
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define i8 @lshr_i8(i8 %x, i8 %y) {
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; LA32-LABEL: lshr_i8:
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; LA32: # %bb.0:
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; LA32-NEXT: andi $a0, $a0, 255
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; LA32-NEXT: srl.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i8:
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; LA64: # %bb.0:
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; LA64-NEXT: andi $a0, $a0, 255
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; LA64-NEXT: srl.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%lshr = lshr i8 %x, %y
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ret i8 %lshr
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}
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define i16 @lshr_i16(i16 %x, i16 %y) {
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; LA32-LABEL: lshr_i16:
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; LA32: # %bb.0:
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; LA32-NEXT: bstrpick.w $a0, $a0, 15, 0
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; LA32-NEXT: srl.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i16:
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; LA64: # %bb.0:
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; LA64-NEXT: bstrpick.d $a0, $a0, 15, 0
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; LA64-NEXT: srl.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%lshr = lshr i16 %x, %y
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ret i16 %lshr
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}
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define i32 @lshr_i32(i32 %x, i32 %y) {
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; LA32-LABEL: lshr_i32:
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; LA32: # %bb.0:
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; LA32-NEXT: srl.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i32:
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; LA64: # %bb.0:
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; LA64-NEXT: srl.w $a0, $a0, $a1
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; LA64-NEXT: ret
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%lshr = lshr i32 %x, %y
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ret i32 %lshr
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}
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define i64 @lshr_i64(i64 %x, i64 %y) {
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; LA32-LABEL: lshr_i64:
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; LA32: # %bb.0:
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; LA32-NEXT: xori $a3, $a2, 31
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; LA32-NEXT: slli.w $a4, $a1, 1
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; LA32-NEXT: sll.w $a3, $a4, $a3
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; LA32-NEXT: srl.w $a0, $a0, $a2
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; LA32-NEXT: or $a0, $a0, $a3
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; LA32-NEXT: addi.w $a3, $a2, -32
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; LA32-NEXT: slti $a4, $a3, 0
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; LA32-NEXT: maskeqz $a0, $a0, $a4
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; LA32-NEXT: srl.w $a5, $a1, $a3
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; LA32-NEXT: masknez $a4, $a5, $a4
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; LA32-NEXT: or $a0, $a0, $a4
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; LA32-NEXT: srl.w $a1, $a1, $a2
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; LA32-NEXT: srai.w $a2, $a3, 31
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; LA32-NEXT: and $a1, $a2, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i64:
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; LA64: # %bb.0:
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; LA64-NEXT: srl.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%lshr = lshr i64 %x, %y
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ret i64 %lshr
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}
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define i1 @lshr_i1_3(i1 %x) {
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; LA32-LABEL: lshr_i1_3:
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; LA32: # %bb.0:
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i1_3:
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; LA64: # %bb.0:
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; LA64-NEXT: ret
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%lshr = lshr i1 %x, 3
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ret i1 %lshr
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}
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define i8 @lshr_i8_3(i8 %x) {
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; LA32-LABEL: lshr_i8_3:
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; LA32: # %bb.0:
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; LA32-NEXT: bstrpick.w $a0, $a0, 7, 3
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i8_3:
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; LA64: # %bb.0:
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; LA64-NEXT: bstrpick.d $a0, $a0, 7, 3
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; LA64-NEXT: ret
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%lshr = lshr i8 %x, 3
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ret i8 %lshr
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}
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define i16 @lshr_i16_3(i16 %x) {
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; LA32-LABEL: lshr_i16_3:
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; LA32: # %bb.0:
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; LA32-NEXT: bstrpick.w $a0, $a0, 15, 3
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i16_3:
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; LA64: # %bb.0:
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; LA64-NEXT: bstrpick.d $a0, $a0, 15, 3
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; LA64-NEXT: ret
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%lshr = lshr i16 %x, 3
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ret i16 %lshr
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}
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define i32 @lshr_i32_3(i32 %x) {
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; LA32-LABEL: lshr_i32_3:
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; LA32: # %bb.0:
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; LA32-NEXT: srli.w $a0, $a0, 3
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i32_3:
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; LA64: # %bb.0:
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; LA64-NEXT: bstrpick.d $a0, $a0, 31, 3
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; LA64-NEXT: ret
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%lshr = lshr i32 %x, 3
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ret i32 %lshr
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}
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define i64 @lshr_i64_3(i64 %x) {
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; LA32-LABEL: lshr_i64_3:
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; LA32: # %bb.0:
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; LA32-NEXT: srli.w $a0, $a0, 3
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; LA32-NEXT: slli.w $a2, $a1, 29
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; LA32-NEXT: or $a0, $a0, $a2
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; LA32-NEXT: srli.w $a1, $a1, 3
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; LA32-NEXT: ret
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;
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; LA64-LABEL: lshr_i64_3:
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; LA64: # %bb.0:
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; LA64-NEXT: srli.d $a0, $a0, 3
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; LA64-NEXT: ret
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%lshr = lshr i64 %x, 3
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ret i64 %lshr
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}
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