+let mayStore = 1, neverHasSideEffects = 1 in {
+defm STR : AI2_stridx<0, "str", IIC_iStore_ru>;
+defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_ru>;
+}
+
+def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
+ am2offset_reg:$offset),
+ (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
+ am2offset_reg:$offset)>;
+def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
+ am2offset_imm:$offset),
+ (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
+ am2offset_imm:$offset)>;
+def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
+ am2offset_reg:$offset),
+ (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
+ am2offset_reg:$offset)>;
+def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
+ am2offset_imm:$offset),
+ (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
+ am2offset_imm:$offset)>;
+
+// Pseudo-instructions for pattern matching the pre-indexed stores. We can't
+// put the patterns on the instruction definitions directly as ISel wants
+// the address base and offset to be separate operands, not a single
+// complex operand like we represent the instructions themselves. The
+// pseudos map between the two.
+let usesCustomInserter = 1,
+ Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
+def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
+ 4, IIC_iStore_ru,
+ [(set GPR:$Rn_wb,
+ (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
+def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
+ 4, IIC_iStore_ru,
+ [(set GPR:$Rn_wb,
+ (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
+def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
+ 4, IIC_iStore_ru,
+ [(set GPR:$Rn_wb,
+ (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
+def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
+ 4, IIC_iStore_ru,
+ [(set GPR:$Rn_wb,
+ (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
+}