; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV64I %s ; Check indexed and unindexed, sext, zext and anyext loads define i64 @lb(i8 *%a) nounwind { ; RV64I-LABEL: lb: ; RV64I: # %bb.0: ; RV64I-NEXT: lb a1, 1(a0) ; RV64I-NEXT: lb a0, 0(a0) ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: ret %1 = getelementptr i8, i8* %a, i32 1 %2 = load i8, i8* %1 %3 = sext i8 %2 to i64 ; the unused load will produce an anyext for selection %4 = load volatile i8, i8* %a ret i64 %3 } define i64 @lh(i16 *%a) nounwind { ; RV64I-LABEL: lh: ; RV64I: # %bb.0: ; RV64I-NEXT: lh a1, 4(a0) ; RV64I-NEXT: lh a0, 0(a0) ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: ret %1 = getelementptr i16, i16* %a, i32 2 %2 = load i16, i16* %1 %3 = sext i16 %2 to i64 ; the unused load will produce an anyext for selection %4 = load volatile i16, i16* %a ret i64 %3 } define i64 @lw(i32 *%a) nounwind { ; RV64I-LABEL: lw: ; RV64I: # %bb.0: ; RV64I-NEXT: lw a1, 12(a0) ; RV64I-NEXT: lw a0, 0(a0) ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: ret %1 = getelementptr i32, i32* %a, i32 3 %2 = load i32, i32* %1 %3 = sext i32 %2 to i64 ; the unused load will produce an anyext for selection %4 = load volatile i32, i32* %a ret i64 %3 } define i64 @lbu(i8 *%a) nounwind { ; RV64I-LABEL: lbu: ; RV64I: # %bb.0: ; RV64I-NEXT: lbu a1, 4(a0) ; RV64I-NEXT: lbu a0, 0(a0) ; RV64I-NEXT: add a0, a1, a0 ; RV64I-NEXT: ret %1 = getelementptr i8, i8* %a, i32 4 %2 = load i8, i8* %1 %3 = zext i8 %2 to i64 %4 = load volatile i8, i8* %a %5 = zext i8 %4 to i64 %6 = add i64 %3, %5 ret i64 %6 } define i64 @lhu(i16 *%a) nounwind { ; RV64I-LABEL: lhu: ; RV64I: # %bb.0: ; RV64I-NEXT: lhu a1, 10(a0) ; RV64I-NEXT: lhu a0, 0(a0) ; RV64I-NEXT: add a0, a1, a0 ; RV64I-NEXT: ret %1 = getelementptr i16, i16* %a, i32 5 %2 = load i16, i16* %1 %3 = zext i16 %2 to i64 %4 = load volatile i16, i16* %a %5 = zext i16 %4 to i64 %6 = add i64 %3, %5 ret i64 %6 } define i64 @lwu(i32 *%a) nounwind { ; RV64I-LABEL: lwu: ; RV64I: # %bb.0: ; RV64I-NEXT: lwu a1, 24(a0) ; RV64I-NEXT: lwu a0, 0(a0) ; RV64I-NEXT: add a0, a1, a0 ; RV64I-NEXT: ret %1 = getelementptr i32, i32* %a, i32 6 %2 = load i32, i32* %1 %3 = zext i32 %2 to i64 %4 = load volatile i32, i32* %a %5 = zext i32 %4 to i64 %6 = add i64 %3, %5 ret i64 %6 } ; Check indexed and unindexed stores define void @sb(i8 *%a, i8 %b) nounwind { ; RV64I-LABEL: sb: ; RV64I: # %bb.0: ; RV64I-NEXT: sb a1, 0(a0) ; RV64I-NEXT: sb a1, 7(a0) ; RV64I-NEXT: ret store i8 %b, i8* %a %1 = getelementptr i8, i8* %a, i32 7 store i8 %b, i8* %1 ret void } define void @sh(i16 *%a, i16 %b) nounwind { ; RV64I-LABEL: sh: ; RV64I: # %bb.0: ; RV64I-NEXT: sh a1, 0(a0) ; RV64I-NEXT: sh a1, 16(a0) ; RV64I-NEXT: ret store i16 %b, i16* %a %1 = getelementptr i16, i16* %a, i32 8 store i16 %b, i16* %1 ret void } define void @sw(i32 *%a, i32 %b) nounwind { ; RV64I-LABEL: sw: ; RV64I: # %bb.0: ; RV64I-NEXT: sw a1, 0(a0) ; RV64I-NEXT: sw a1, 36(a0) ; RV64I-NEXT: ret store i32 %b, i32* %a %1 = getelementptr i32, i32* %a, i32 9 store i32 %b, i32* %1 ret void } ; 64-bit loads and stores define i64 @ld(i64 *%a) nounwind { ; RV64I-LABEL: ld: ; RV64I: # %bb.0: ; RV64I-NEXT: ld a1, 80(a0) ; RV64I-NEXT: ld a0, 0(a0) ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: ret %1 = getelementptr i64, i64* %a, i32 10 %2 = load i64, i64* %1 %3 = load volatile i64, i64* %a ret i64 %2 } define void @sd(i64 *%a, i64 %b) nounwind { ; RV64I-LABEL: sd: ; RV64I: # %bb.0: ; RV64I-NEXT: sd a1, 0(a0) ; RV64I-NEXT: sd a1, 88(a0) ; RV64I-NEXT: ret store i64 %b, i64* %a %1 = getelementptr i64, i64* %a, i32 11 store i64 %b, i64* %1 ret void } ; Check load and store to an i1 location define i64 @load_sext_zext_anyext_i1(i1 *%a) nounwind { ; RV64I-LABEL: load_sext_zext_anyext_i1: ; RV64I: # %bb.0: ; RV64I-NEXT: lbu a1, 1(a0) ; RV64I-NEXT: lbu a2, 2(a0) ; RV64I-NEXT: lb a0, 0(a0) ; RV64I-NEXT: sub a0, a2, a1 ; RV64I-NEXT: ret ; sextload i1 %1 = getelementptr i1, i1* %a, i32 1 %2 = load i1, i1* %1 %3 = sext i1 %2 to i64 ; zextload i1 %4 = getelementptr i1, i1* %a, i32 2 %5 = load i1, i1* %4 %6 = zext i1 %5 to i64 %7 = add i64 %3, %6 ; extload i1 (anyext). Produced as the load is unused. %8 = load volatile i1, i1* %a ret i64 %7 } define i16 @load_sext_zext_anyext_i1_i16(i1 *%a) nounwind { ; RV64I-LABEL: load_sext_zext_anyext_i1_i16: ; RV64I: # %bb.0: ; RV64I-NEXT: lbu a1, 1(a0) ; RV64I-NEXT: lbu a2, 2(a0) ; RV64I-NEXT: lb a0, 0(a0) ; RV64I-NEXT: sub a0, a2, a1 ; RV64I-NEXT: ret ; sextload i1 %1 = getelementptr i1, i1* %a, i32 1 %2 = load i1, i1* %1 %3 = sext i1 %2 to i16 ; zextload i1 %4 = getelementptr i1, i1* %a, i32 2 %5 = load i1, i1* %4 %6 = zext i1 %5 to i16 %7 = add i16 %3, %6 ; extload i1 (anyext). Produced as the load is unused. %8 = load volatile i1, i1* %a ret i16 %7 } ; Check load and store to a global @G = global i64 0 define i64 @ld_sd_global(i64 %a) nounwind { ; RV64I-LABEL: ld_sd_global: ; RV64I: # %bb.0: ; RV64I-NEXT: lui a2, %hi(G) ; RV64I-NEXT: ld a1, %lo(G)(a2) ; RV64I-NEXT: sd a0, %lo(G)(a2) ; RV64I-NEXT: addi a2, a2, %lo(G) ; RV64I-NEXT: ld a3, 72(a2) ; RV64I-NEXT: sd a0, 72(a2) ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: ret %1 = load volatile i64, i64* @G store i64 %a, i64* @G %2 = getelementptr i64, i64* @G, i64 9 %3 = load volatile i64, i64* %2 store i64 %a, i64* %2 ret i64 %1 }