diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.h b/llvm/lib/Target/LoongArch/LoongArchISelLowering.h
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.h
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.h
@@ -35,6 +35,9 @@
   SRA_W,
   SRL_W,
 
+  ROTL_W,
+  ROTR_W,
+
   // FPR<->GPR transfer operations
   MOVGR2FR_W_LA64,
   MOVFR2GR_S_LA64,
diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
@@ -52,6 +52,7 @@
   setOperationAction(ISD::SRA_PARTS, GRLenVT, Custom);
   setOperationAction(ISD::SRL_PARTS, GRLenVT, Custom);
   setOperationAction(ISD::FP_TO_SINT, GRLenVT, Custom);
+  setOperationAction(ISD::ROTL, GRLenVT, Expand);
 
   setOperationAction({ISD::GlobalAddress, ISD::ConstantPool}, GRLenVT, Custom);
 
@@ -61,6 +62,8 @@
     setOperationAction(ISD::SRL, MVT::i32, Custom);
     setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
     setOperationAction(ISD::BITCAST, MVT::i32, Custom);
+    setOperationAction(ISD::ROTR, MVT::i32, Custom);
+    setOperationAction(ISD::ROTL, MVT::i32, Custom);
     if (Subtarget.hasBasicF() && !Subtarget.hasBasicD())
       setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom);
   }
@@ -331,6 +334,10 @@
     return LoongArchISD::SRA_W;
   case ISD::SRL:
     return LoongArchISD::SRL_W;
+  case ISD::ROTR:
+    return LoongArchISD::ROTR_W;
+  case ISD::ROTL:
+    return LoongArchISD::ROTL_W;
   }
 }
 
@@ -359,6 +366,7 @@
   case ISD::SHL:
   case ISD::SRA:
   case ISD::SRL:
+  case ISD::ROTR:
     assert(N->getValueType(0) == MVT::i32 && Subtarget.is64Bit() &&
            "Unexpected custom legalisation");
     if (N->getOperand(1).getOpcode() != ISD::Constant) {
@@ -366,6 +374,13 @@
       break;
     }
     break;
+  case ISD::ROTL:
+    ConstantSDNode *CN;
+    if ((CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))) {
+      Results.push_back(customLegalizeToWOp(N, DAG));
+      break;
+    }
+    break;
   case ISD::FP_TO_SINT: {
     assert(N->getValueType(0) == MVT::i32 && Subtarget.is64Bit() &&
            "Unexpected custom legalisation");
@@ -825,6 +840,8 @@
     NODE_NAME_CASE(MOVGR2FR_W_LA64)
     NODE_NAME_CASE(MOVFR2GR_S_LA64)
     NODE_NAME_CASE(FTINT)
+    NODE_NAME_CASE(ROTR_W)
+    NODE_NAME_CASE(ROTL_W)
   }
 #undef NODE_NAME_CASE
   return nullptr;
diff --git a/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td b/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
--- a/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
+++ b/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
@@ -51,6 +51,8 @@
 def loongarch_sll_w : SDNode<"LoongArchISD::SLL_W", SDT_LoongArchIntBinOpW>;
 def loongarch_sra_w : SDNode<"LoongArchISD::SRA_W", SDT_LoongArchIntBinOpW>;
 def loongarch_srl_w : SDNode<"LoongArchISD::SRL_W", SDT_LoongArchIntBinOpW>;
+def loongarch_rotr_w : SDNode<"LoongArchISD::ROTR_W", SDT_LoongArchIntBinOpW>;
+def loongarch_rotl_w : SDNode<"LoongArchISD::ROTL_W", SDT_LoongArchIntBinOpW>;
 def loongarch_bstrins
     : SDNode<"LoongArchISD::BSTRINS", SDT_LoongArchBStrIns>;
 def loongarch_bstrpick
@@ -176,6 +178,12 @@
 def fpimm0neg : PatLeaf<(fpimm), [{return N->isExactlyValue(-0.0);}]>;
 def fpimm1    : PatLeaf<(fpimm), [{return N->isExactlyValue(+1.0);}]>;
 
+// Return an immediate subtracted from 32.
+def ImmSubFrom32 : SDNodeXForm<imm, [{
+  return CurDAG->getTargetConstant(32 - N->getZExtValue(), SDLoc(N),
+                                   N->getValueType(0));
+}]>;
+
 def CallSymbol: AsmOperandClass {
   let Name = "CallSymbol";
   let RenderMethod = "addImmOperands";
@@ -624,6 +632,8 @@
 def : PatGprGpr<mul, MUL_W>;
 def : PatGprGpr<mulhs, MULH_W>;
 def : PatGprGpr<mulhu, MULH_WU>;
+def : PatGprGpr<rotr, ROTR_W>;
+def : PatGprImm<rotr, ROTRI_W, uimm5>;
 } // Predicates = [IsLA32]
 
 let Predicates = [IsLA64] in {
@@ -637,6 +647,14 @@
 def : PatGprGpr<udiv, DIV_DU>;
 def : PatGprGpr<srem, MOD_D>;
 def : PatGprGpr<urem, MOD_DU>;
+def : PatGprGpr<rotr, ROTR_D>;
+def : PatGprGpr<loongarch_rotr_w, ROTR_W>;
+def : PatGprImm<rotr, ROTRI_D, uimm6>;
+def : PatGprImm_32<rotr, ROTRI_W, uimm5>;
+def : Pat<(loongarch_rotl_w GPR:$rj, uimm5:$imm),
+          (ROTRI_W GPR:$rj, (ImmSubFrom32 uimm5:$imm))>;
+def : Pat<(sext_inreg (loongarch_rotl_w GPR:$rj, uimm5:$imm), i32),
+          (ROTRI_W GPR:$rj, (ImmSubFrom32 uimm5:$imm))>;
 // TODO: Select "_W[U]" instructions for i32xi32 if only lower 32 bits of the
 // product are used.
 def : PatGprGpr<mul, MUL_D>;
diff --git a/llvm/test/CodeGen/LoongArch/rotl-rotr.ll b/llvm/test/CodeGen/LoongArch/rotl-rotr.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/rotl-rotr.ll
@@ -0,0 +1,629 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32
+; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64
+
+;; TODO: Add optimization to ISD::ROTL
+
+define i32 @rotl_32(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotl_32:
+; LA32:       # %bb.0:
+; LA32-NEXT:    ori $a2, $zero, 32
+; LA32-NEXT:    sub.w $a1, $a2, $a1
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_32:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a2, $zero, $a1
+; LA64-NEXT:    sll.w $a1, $a0, $a1
+; LA64-NEXT:    srl.w $a0, $a0, $a2
+; LA64-NEXT:    or $a0, $a1, $a0
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i32 32, %y
+  %b = shl i32 %x, %y
+  %c = lshr i32 %x, %z
+  %d = or i32 %b, %c
+  ret i32 %d
+}
+
+define i32 @rotr_32(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotr_32:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_32:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.w $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i32 32, %y
+  %b = lshr i32 %x, %y
+  %c = shl i32 %x, %z
+  %d = or i32 %b, %c
+  ret i32 %d
+}
+
+define i64 @rotl_64(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotl_64:
+; LA32:       # %bb.0:
+; LA32-NEXT:    xori $a3, $a2, 31
+; LA32-NEXT:    srli.w $a4, $a0, 1
+; LA32-NEXT:    srl.w $a3, $a4, $a3
+; LA32-NEXT:    sll.w $a4, $a1, $a2
+; LA32-NEXT:    or $a3, $a4, $a3
+; LA32-NEXT:    addi.w $a4, $a2, -32
+; LA32-NEXT:    slti $a5, $a4, 0
+; LA32-NEXT:    maskeqz $a3, $a3, $a5
+; LA32-NEXT:    sll.w $a6, $a0, $a4
+; LA32-NEXT:    masknez $a5, $a6, $a5
+; LA32-NEXT:    or $a3, $a3, $a5
+; LA32-NEXT:    ori $a5, $zero, 64
+; LA32-NEXT:    sub.w $a5, $a5, $a2
+; LA32-NEXT:    xori $a5, $a5, 31
+; LA32-NEXT:    slli.w $a6, $a1, 1
+; LA32-NEXT:    sll.w $a5, $a6, $a5
+; LA32-NEXT:    sub.w $a6, $zero, $a2
+; LA32-NEXT:    srl.w $a7, $a1, $a6
+; LA32-NEXT:    ori $a1, $zero, 32
+; LA32-NEXT:    sub.w $t0, $a1, $a2
+; LA32-NEXT:    srai.w $a1, $t0, 31
+; LA32-NEXT:    and $a1, $a1, $a7
+; LA32-NEXT:    or $a1, $a3, $a1
+; LA32-NEXT:    srl.w $a3, $a0, $a6
+; LA32-NEXT:    or $a3, $a3, $a5
+; LA32-NEXT:    slti $a5, $t0, 0
+; LA32-NEXT:    masknez $a6, $a7, $a5
+; LA32-NEXT:    maskeqz $a3, $a3, $a5
+; LA32-NEXT:    or $a3, $a3, $a6
+; LA32-NEXT:    sll.w $a0, $a0, $a2
+; LA32-NEXT:    srai.w $a2, $a4, 31
+; LA32-NEXT:    and $a0, $a2, $a0
+; LA32-NEXT:    or $a0, $a0, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_64:
+; LA64:       # %bb.0:
+; LA64-NEXT:    ori $a2, $zero, 64
+; LA64-NEXT:    sub.d $a1, $a2, $a1
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i64 64, %y
+  %b = shl i64 %x, %y
+  %c = lshr i64 %x, %z
+  %d = or i64 %b, %c
+  ret i64 %d
+}
+
+define i64 @rotr_64(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotr_64:
+; LA32:       # %bb.0:
+; LA32-NEXT:    xori $a3, $a2, 31
+; LA32-NEXT:    slli.w $a4, $a1, 1
+; LA32-NEXT:    sll.w $a3, $a4, $a3
+; LA32-NEXT:    srl.w $a4, $a0, $a2
+; LA32-NEXT:    or $a3, $a4, $a3
+; LA32-NEXT:    addi.w $a4, $a2, -32
+; LA32-NEXT:    slti $a5, $a4, 0
+; LA32-NEXT:    maskeqz $a3, $a3, $a5
+; LA32-NEXT:    srl.w $a6, $a1, $a4
+; LA32-NEXT:    masknez $a5, $a6, $a5
+; LA32-NEXT:    or $a3, $a3, $a5
+; LA32-NEXT:    ori $a5, $zero, 64
+; LA32-NEXT:    sub.w $a5, $a5, $a2
+; LA32-NEXT:    xori $a5, $a5, 31
+; LA32-NEXT:    srli.w $a6, $a0, 1
+; LA32-NEXT:    srl.w $a5, $a6, $a5
+; LA32-NEXT:    sub.w $a6, $zero, $a2
+; LA32-NEXT:    sll.w $a7, $a0, $a6
+; LA32-NEXT:    ori $a0, $zero, 32
+; LA32-NEXT:    sub.w $t0, $a0, $a2
+; LA32-NEXT:    srai.w $a0, $t0, 31
+; LA32-NEXT:    and $a0, $a0, $a7
+; LA32-NEXT:    or $a0, $a3, $a0
+; LA32-NEXT:    sll.w $a3, $a1, $a6
+; LA32-NEXT:    or $a3, $a3, $a5
+; LA32-NEXT:    slti $a5, $t0, 0
+; LA32-NEXT:    masknez $a6, $a7, $a5
+; LA32-NEXT:    maskeqz $a3, $a3, $a5
+; LA32-NEXT:    or $a3, $a3, $a6
+; LA32-NEXT:    srl.w $a1, $a1, $a2
+; LA32-NEXT:    srai.w $a2, $a4, 31
+; LA32-NEXT:    and $a1, $a2, $a1
+; LA32-NEXT:    or $a1, $a1, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_64:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i64 64, %y
+  %b = lshr i64 %x, %y
+  %c = shl i64 %x, %z
+  %d = or i64 %b, %c
+  ret i64 %d
+}
+
+define i32 @rotl_32_mask(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotl_32_mask:
+; LA32:       # %bb.0:
+; LA32-NEXT:    sub.w $a1, $zero, $a1
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_32_mask:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a2, $zero, $a1
+; LA64-NEXT:    sll.w $a1, $a0, $a1
+; LA64-NEXT:    srl.w $a0, $a0, $a2
+; LA64-NEXT:    or $a0, $a1, $a0
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i32 0, %y
+  %and = and i32 %z, 31
+  %b = shl i32 %x, %y
+  %c = lshr i32 %x, %and
+  %d = or i32 %b, %c
+  ret i32 %d
+}
+
+define i32 @rotl_32_mask_and_63_and_31(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotl_32_mask_and_63_and_31:
+; LA32:       # %bb.0:
+; LA32-NEXT:    sub.w $a1, $zero, $a1
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_32_mask_and_63_and_31:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a2, $zero, $a1
+; LA64-NEXT:    sll.w $a1, $a0, $a1
+; LA64-NEXT:    srl.w $a0, $a0, $a2
+; LA64-NEXT:    or $a0, $a1, $a0
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = and i32 %y, 63
+  %b = shl i32 %x, %a
+  %c = sub i32 0, %y
+  %d = and i32 %c, 31
+  %e = lshr i32 %x, %d
+  %f = or i32 %b, %e
+  ret i32 %f
+}
+
+define i32 @rotl_32_mask_or_64_or_32(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotl_32_mask_or_64_or_32:
+; LA32:       # %bb.0:
+; LA32-NEXT:    sub.w $a1, $zero, $a1
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_32_mask_or_64_or_32:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a2, $zero, $a1
+; LA64-NEXT:    sll.w $a1, $a0, $a1
+; LA64-NEXT:    srl.w $a0, $a0, $a2
+; LA64-NEXT:    or $a0, $a1, $a0
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = or i32 %y, 64
+  %b = shl i32 %x, %a
+  %c = sub i32 0, %y
+  %d = or i32 %c, 32
+  %e = lshr i32 %x, %d
+  %f = or i32 %b, %e
+  ret i32 %f
+}
+
+define i32 @rotr_32_mask(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotr_32_mask:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_32_mask:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.w $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i32 0, %y
+  %and = and i32 %z, 31
+  %b = lshr i32 %x, %y
+  %c = shl i32 %x, %and
+  %d = or i32 %b, %c
+  ret i32 %d
+}
+
+define i32 @rotr_32_mask_and_63_and_31(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotr_32_mask_and_63_and_31:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_32_mask_and_63_and_31:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.w $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = and i32 %y, 63
+  %b = lshr i32 %x, %a
+  %c = sub i32 0, %y
+  %d = and i32 %c, 31
+  %e = shl i32 %x, %d
+  %f = or i32 %b, %e
+  ret i32 %f
+}
+
+define i32 @rotr_32_mask_or_64_or_32(i32 %x, i32 %y) nounwind {
+; LA32-LABEL: rotr_32_mask_or_64_or_32:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotr.w $a0, $a0, $a1
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_32_mask_or_64_or_32:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.w $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = or i32 %y, 64
+  %b = lshr i32 %x, %a
+  %c = sub i32 0, %y
+  %d = or i32 %c, 32
+  %e = shl i32 %x, %d
+  %f = or i32 %b, %e
+  ret i32 %f
+}
+
+define i64 @rotl_64_mask(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotl_64_mask:
+; LA32:       # %bb.0:
+; LA32-NEXT:    xori $a3, $a2, 31
+; LA32-NEXT:    srli.w $a4, $a0, 1
+; LA32-NEXT:    srl.w $a3, $a4, $a3
+; LA32-NEXT:    sll.w $a4, $a1, $a2
+; LA32-NEXT:    or $a3, $a4, $a3
+; LA32-NEXT:    sub.w $a4, $zero, $a2
+; LA32-NEXT:    srl.w $a5, $a1, $a4
+; LA32-NEXT:    andi $a6, $a4, 63
+; LA32-NEXT:    addi.w $a7, $a6, -32
+; LA32-NEXT:    srai.w $t0, $a7, 31
+; LA32-NEXT:    and $a5, $t0, $a5
+; LA32-NEXT:    addi.w $t0, $a2, -32
+; LA32-NEXT:    slti $t1, $t0, 0
+; LA32-NEXT:    maskeqz $a3, $a3, $t1
+; LA32-NEXT:    sll.w $t2, $a0, $t0
+; LA32-NEXT:    masknez $t1, $t2, $t1
+; LA32-NEXT:    or $a3, $a3, $t1
+; LA32-NEXT:    xori $a6, $a6, 31
+; LA32-NEXT:    slli.w $t1, $a1, 1
+; LA32-NEXT:    sll.w $a6, $t1, $a6
+; LA32-NEXT:    or $a3, $a3, $a5
+; LA32-NEXT:    srl.w $a4, $a0, $a4
+; LA32-NEXT:    or $a4, $a4, $a6
+; LA32-NEXT:    srl.w $a1, $a1, $a7
+; LA32-NEXT:    slti $a5, $a7, 0
+; LA32-NEXT:    masknez $a1, $a1, $a5
+; LA32-NEXT:    maskeqz $a4, $a4, $a5
+; LA32-NEXT:    or $a1, $a4, $a1
+; LA32-NEXT:    sll.w $a0, $a0, $a2
+; LA32-NEXT:    srai.w $a2, $t0, 31
+; LA32-NEXT:    and $a0, $a2, $a0
+; LA32-NEXT:    or $a0, $a0, $a1
+; LA32-NEXT:    move $a1, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_64_mask:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a1, $zero, $a1
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i64 0, %y
+  %and = and i64 %z, 63
+  %b = shl i64 %x, %y
+  %c = lshr i64 %x, %and
+  %d = or i64 %b, %c
+  ret i64 %d
+}
+
+define i64 @rotl_64_mask_and_127_and_63(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotl_64_mask_and_127_and_63:
+; LA32:       # %bb.0:
+; LA32-NEXT:    srli.w $a3, $a0, 1
+; LA32-NEXT:    andi $a4, $a2, 127
+; LA32-NEXT:    xori $a5, $a4, 31
+; LA32-NEXT:    srl.w $a3, $a3, $a5
+; LA32-NEXT:    sll.w $a5, $a1, $a2
+; LA32-NEXT:    or $a3, $a5, $a3
+; LA32-NEXT:    sub.w $a5, $zero, $a2
+; LA32-NEXT:    srl.w $a6, $a1, $a5
+; LA32-NEXT:    andi $a7, $a5, 63
+; LA32-NEXT:    addi.w $t0, $a7, -32
+; LA32-NEXT:    srai.w $t1, $t0, 31
+; LA32-NEXT:    and $a6, $t1, $a6
+; LA32-NEXT:    addi.w $a4, $a4, -32
+; LA32-NEXT:    slti $t1, $a4, 0
+; LA32-NEXT:    maskeqz $a3, $a3, $t1
+; LA32-NEXT:    sll.w $t2, $a0, $a4
+; LA32-NEXT:    masknez $t1, $t2, $t1
+; LA32-NEXT:    or $a3, $a3, $t1
+; LA32-NEXT:    xori $a7, $a7, 31
+; LA32-NEXT:    slli.w $t1, $a1, 1
+; LA32-NEXT:    sll.w $a7, $t1, $a7
+; LA32-NEXT:    or $a3, $a3, $a6
+; LA32-NEXT:    srl.w $a5, $a0, $a5
+; LA32-NEXT:    or $a5, $a5, $a7
+; LA32-NEXT:    srl.w $a1, $a1, $t0
+; LA32-NEXT:    slti $a6, $t0, 0
+; LA32-NEXT:    masknez $a1, $a1, $a6
+; LA32-NEXT:    maskeqz $a5, $a5, $a6
+; LA32-NEXT:    or $a1, $a5, $a1
+; LA32-NEXT:    sll.w $a0, $a0, $a2
+; LA32-NEXT:    srai.w $a2, $a4, 31
+; LA32-NEXT:    and $a0, $a2, $a0
+; LA32-NEXT:    or $a0, $a0, $a1
+; LA32-NEXT:    move $a1, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_64_mask_and_127_and_63:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a1, $zero, $a1
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = and i64 %y, 127
+  %b = shl i64 %x, %a
+  %c = sub i64 0, %y
+  %d = and i64 %c, 63
+  %e = lshr i64 %x, %d
+  %f = or i64 %b, %e
+  ret i64 %f
+}
+
+define i64 @rotl_64_mask_or_128_or_64(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotl_64_mask_or_128_or_64:
+; LA32:       # %bb.0:
+; LA32-NEXT:    sll.w $a3, $a0, $a2
+; LA32-NEXT:    sub.w $a0, $zero, $a2
+; LA32-NEXT:    srl.w $a0, $a1, $a0
+; LA32-NEXT:    move $a1, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_64_mask_or_128_or_64:
+; LA64:       # %bb.0:
+; LA64-NEXT:    sub.d $a1, $zero, $a1
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = or i64 %y, 128
+  %b = shl i64 %x, %a
+  %c = sub i64 0, %y
+  %d = or i64 %c, 64
+  %e = lshr i64 %x, %d
+  %f = or i64 %b, %e
+  ret i64 %f
+}
+
+define i64 @rotr_64_mask(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotr_64_mask:
+; LA32:       # %bb.0:
+; LA32-NEXT:    xori $a3, $a2, 31
+; LA32-NEXT:    slli.w $a4, $a1, 1
+; LA32-NEXT:    sll.w $a3, $a4, $a3
+; LA32-NEXT:    srl.w $a4, $a0, $a2
+; LA32-NEXT:    or $a3, $a4, $a3
+; LA32-NEXT:    sub.w $a4, $zero, $a2
+; LA32-NEXT:    sll.w $a5, $a0, $a4
+; LA32-NEXT:    andi $a6, $a4, 63
+; LA32-NEXT:    addi.w $a7, $a6, -32
+; LA32-NEXT:    srai.w $t0, $a7, 31
+; LA32-NEXT:    and $a5, $t0, $a5
+; LA32-NEXT:    addi.w $t0, $a2, -32
+; LA32-NEXT:    slti $t1, $t0, 0
+; LA32-NEXT:    maskeqz $a3, $a3, $t1
+; LA32-NEXT:    srl.w $t2, $a1, $t0
+; LA32-NEXT:    masknez $t1, $t2, $t1
+; LA32-NEXT:    or $a3, $a3, $t1
+; LA32-NEXT:    xori $a6, $a6, 31
+; LA32-NEXT:    srli.w $t1, $a0, 1
+; LA32-NEXT:    srl.w $a6, $t1, $a6
+; LA32-NEXT:    or $a3, $a3, $a5
+; LA32-NEXT:    sll.w $a4, $a1, $a4
+; LA32-NEXT:    or $a4, $a4, $a6
+; LA32-NEXT:    sll.w $a0, $a0, $a7
+; LA32-NEXT:    slti $a5, $a7, 0
+; LA32-NEXT:    masknez $a0, $a0, $a5
+; LA32-NEXT:    maskeqz $a4, $a4, $a5
+; LA32-NEXT:    or $a0, $a4, $a0
+; LA32-NEXT:    srl.w $a1, $a1, $a2
+; LA32-NEXT:    srai.w $a2, $t0, 31
+; LA32-NEXT:    and $a1, $a2, $a1
+; LA32-NEXT:    or $a1, $a1, $a0
+; LA32-NEXT:    move $a0, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_64_mask:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %z = sub i64 0, %y
+  %and = and i64 %z, 63
+  %b = lshr i64 %x, %y
+  %c = shl i64 %x, %and
+  %d = or i64 %b, %c
+  ret i64 %d
+}
+
+define i64 @rotr_64_mask_and_127_and_63(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotr_64_mask_and_127_and_63:
+; LA32:       # %bb.0:
+; LA32-NEXT:    slli.w $a3, $a1, 1
+; LA32-NEXT:    andi $a4, $a2, 127
+; LA32-NEXT:    xori $a5, $a4, 31
+; LA32-NEXT:    sll.w $a3, $a3, $a5
+; LA32-NEXT:    srl.w $a5, $a0, $a2
+; LA32-NEXT:    or $a3, $a5, $a3
+; LA32-NEXT:    sub.w $a5, $zero, $a2
+; LA32-NEXT:    sll.w $a6, $a0, $a5
+; LA32-NEXT:    andi $a7, $a5, 63
+; LA32-NEXT:    addi.w $t0, $a7, -32
+; LA32-NEXT:    srai.w $t1, $t0, 31
+; LA32-NEXT:    and $a6, $t1, $a6
+; LA32-NEXT:    addi.w $a4, $a4, -32
+; LA32-NEXT:    slti $t1, $a4, 0
+; LA32-NEXT:    maskeqz $a3, $a3, $t1
+; LA32-NEXT:    srl.w $t2, $a1, $a4
+; LA32-NEXT:    masknez $t1, $t2, $t1
+; LA32-NEXT:    or $a3, $a3, $t1
+; LA32-NEXT:    xori $a7, $a7, 31
+; LA32-NEXT:    srli.w $t1, $a0, 1
+; LA32-NEXT:    srl.w $a7, $t1, $a7
+; LA32-NEXT:    or $a3, $a3, $a6
+; LA32-NEXT:    sll.w $a5, $a1, $a5
+; LA32-NEXT:    or $a5, $a5, $a7
+; LA32-NEXT:    sll.w $a0, $a0, $t0
+; LA32-NEXT:    slti $a6, $t0, 0
+; LA32-NEXT:    masknez $a0, $a0, $a6
+; LA32-NEXT:    maskeqz $a5, $a5, $a6
+; LA32-NEXT:    or $a0, $a5, $a0
+; LA32-NEXT:    srl.w $a1, $a1, $a2
+; LA32-NEXT:    srai.w $a2, $a4, 31
+; LA32-NEXT:    and $a1, $a2, $a1
+; LA32-NEXT:    or $a1, $a1, $a0
+; LA32-NEXT:    move $a0, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_64_mask_and_127_and_63:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = and i64 %y, 127
+  %b = lshr i64 %x, %a
+  %c = sub i64 0, %y
+  %d = and i64 %c, 63
+  %e = shl i64 %x, %d
+  %f = or i64 %b, %e
+  ret i64 %f
+}
+
+define i64 @rotr_64_mask_or_128_or_64(i64 %x, i64 %y) nounwind {
+; LA32-LABEL: rotr_64_mask_or_128_or_64:
+; LA32:       # %bb.0:
+; LA32-NEXT:    srl.w $a3, $a1, $a2
+; LA32-NEXT:    sub.w $a1, $zero, $a2
+; LA32-NEXT:    sll.w $a1, $a0, $a1
+; LA32-NEXT:    move $a0, $a3
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_64_mask_or_128_or_64:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotr.d $a0, $a0, $a1
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %a = or i64 %y, 128
+  %b = lshr i64 %x, %a
+  %c = sub i64 0, %y
+  %d = or i64 %c, 64
+  %e = shl i64 %x, %d
+  %f = or i64 %b, %e
+  ret i64 %f
+}
+
+define i32 @rotri_i32(i32 %a) nounwind {
+; LA32-LABEL: rotri_i32:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotri.w $a0, $a0, 16
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotri_i32:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotri.w $a0, $a0, 16
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %shl = shl i32 %a, 16
+  %shr = lshr i32 %a, 16
+  %or = or i32 %shl, %shr
+  ret i32 %or
+}
+
+define i64 @rotri_i64(i64 %a) nounwind {
+; LA32-LABEL: rotri_i64:
+; LA32:       # %bb.0:
+; LA32-NEXT:    move $a2, $a0
+; LA32-NEXT:    move $a0, $a1
+; LA32-NEXT:    move $a1, $a2
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotri_i64:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotri.d $a0, $a0, 32
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %shl = shl i64 %a, 32
+  %shr = lshr i64 %a, 32
+  %or = or i64 %shl, %shr
+  ret i64 %or
+}
+
+declare i32 @llvm.fshl.i32(i32, i32, i32)
+declare i64 @llvm.fshl.i64(i64, i64, i64)
+declare i32 @llvm.fshr.i32(i32, i32, i32)
+declare i64 @llvm.fshr.i64(i64, i64, i64)
+
+define signext i32 @rotl_i32_fshl(i32 signext %a) nounwind {
+; LA32-LABEL: rotl_i32_fshl:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotri.w $a0, $a0, 20
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_i32_fshl:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotri.w $a0, $a0, 20
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %or = tail call i32 @llvm.fshl.i32(i32 %a, i32 %a, i32 12)
+  ret i32 %or
+}
+
+define i64 @rotl_i64_fshl(i64 %a) nounwind {
+; LA32-LABEL: rotl_i64_fshl:
+; LA32:       # %bb.0:
+; LA32-NEXT:    srli.w $a2, $a1, 20
+; LA32-NEXT:    slli.w $a3, $a0, 12
+; LA32-NEXT:    or $a2, $a3, $a2
+; LA32-NEXT:    srli.w $a0, $a0, 20
+; LA32-NEXT:    slli.w $a1, $a1, 12
+; LA32-NEXT:    or $a1, $a1, $a0
+; LA32-NEXT:    move $a0, $a2
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotl_i64_fshl:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotri.d $a0, $a0, 52
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %or = tail call i64 @llvm.fshl.i64(i64 %a, i64 %a, i64 12)
+  ret i64 %or
+}
+
+define signext i32 @rotr_i32_fshr(i32 signext %a) nounwind {
+; LA32-LABEL: rotr_i32_fshr:
+; LA32:       # %bb.0:
+; LA32-NEXT:    rotri.w $a0, $a0, 12
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_i32_fshr:
+; LA64:       # %bb.0:
+; LA64-NEXT:    slli.d $a1, $a0, 20
+; LA64-NEXT:    bstrpick.d $a0, $a0, 31, 12
+; LA64-NEXT:    or $a0, $a0, $a1
+; LA64-NEXT:    addi.w $a0, $a0, 0
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %or = tail call i32 @llvm.fshr.i32(i32 %a, i32 %a, i32 12)
+  ret i32 %or
+}
+
+define i64 @rotr_i64_fshr(i64 %a) nounwind {
+; LA32-LABEL: rotr_i64_fshr:
+; LA32:       # %bb.0:
+; LA32-NEXT:    srli.w $a2, $a0, 12
+; LA32-NEXT:    slli.w $a3, $a1, 20
+; LA32-NEXT:    or $a2, $a3, $a2
+; LA32-NEXT:    srli.w $a1, $a1, 12
+; LA32-NEXT:    slli.w $a0, $a0, 20
+; LA32-NEXT:    or $a1, $a0, $a1
+; LA32-NEXT:    move $a0, $a2
+; LA32-NEXT:    jirl $zero, $ra, 0
+;
+; LA64-LABEL: rotr_i64_fshr:
+; LA64:       # %bb.0:
+; LA64-NEXT:    rotri.d $a0, $a0, 12
+; LA64-NEXT:    jirl $zero, $ra, 0
+  %or = tail call i64 @llvm.fshr.i64(i64 %a, i64 %a, i64 12)
+  ret i64 %or
+}