1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc --mtriple=loongarch32 --verify-machineinstrs < %s \ 3; RUN: | FileCheck --check-prefix=LA32 %s 4; RUN: llc --mtriple=loongarch64 --verify-machineinstrs < %s \ 5; RUN: | FileCheck --check-prefix=LA64 %s 6 7define void @merge_load_store(ptr noalias %src, ptr noalias %dst) unnamed_addr { 8; LA32-LABEL: merge_load_store: 9; LA32: # %bb.0: # %start 10; LA32-NEXT: ld.b $a2, $a0, 0 11; LA32-NEXT: ld.b $a3, $a0, 1 12; LA32-NEXT: ld.b $a4, $a0, 2 13; LA32-NEXT: ld.b $a5, $a0, 3 14; LA32-NEXT: st.b $a2, $a1, 0 15; LA32-NEXT: st.b $a3, $a1, 1 16; LA32-NEXT: st.b $a4, $a1, 2 17; LA32-NEXT: st.b $a5, $a1, 3 18; LA32-NEXT: ld.b $a2, $a0, 4 19; LA32-NEXT: ld.b $a3, $a0, 5 20; LA32-NEXT: ld.b $a4, $a0, 6 21; LA32-NEXT: ld.b $a0, $a0, 7 22; LA32-NEXT: st.b $a2, $a1, 4 23; LA32-NEXT: st.b $a3, $a1, 5 24; LA32-NEXT: st.b $a4, $a1, 6 25; LA32-NEXT: st.b $a0, $a1, 7 26; LA32-NEXT: ret 27; 28; LA64-LABEL: merge_load_store: 29; LA64: # %bb.0: # %start 30; LA64-NEXT: ld.d $a0, $a0, 0 31; LA64-NEXT: st.d $a0, $a1, 0 32; LA64-NEXT: ret 33start: 34 %_3 = load i8, ptr %src, align 1 35 store i8 %_3, ptr %dst, align 1 36 %0 = getelementptr inbounds i8, ptr %src, i64 1 37 %_4 = load i8, ptr %0, align 1 38 %1 = getelementptr inbounds i8, ptr %dst, i64 1 39 store i8 %_4, ptr %1, align 1 40 %2 = getelementptr inbounds i8, ptr %src, i64 2 41 %_5 = load i8, ptr %2, align 1 42 %3 = getelementptr inbounds i8, ptr %dst, i64 2 43 store i8 %_5, ptr %3, align 1 44 %4 = getelementptr inbounds i8, ptr %src, i64 3 45 %_6 = load i8, ptr %4, align 1 46 %5 = getelementptr inbounds i8, ptr %dst, i64 3 47 store i8 %_6, ptr %5, align 1 48 %6 = getelementptr inbounds i8, ptr %src, i64 4 49 %_7 = load i8, ptr %6, align 1 50 %7 = getelementptr inbounds i8, ptr %dst, i64 4 51 store i8 %_7, ptr %7, align 1 52 %8 = getelementptr inbounds i8, ptr %src, i64 5 53 %_8 = load i8, ptr %8, align 1 54 %9 = getelementptr inbounds i8, ptr %dst, i64 5 55 store i8 %_8, ptr %9, align 1 56 %10 = getelementptr inbounds i8, ptr %src, i64 6 57 %_9 = load i8, ptr %10, align 1 58 %11 = getelementptr inbounds i8, ptr %dst, i64 6 59 store i8 %_9, ptr %11, align 1 60 %12 = getelementptr inbounds i8, ptr %src, i64 7 61 %_10 = load i8, ptr %12, align 1 62 %13 = getelementptr inbounds i8, ptr %dst, i64 7 63 store i8 %_10, ptr %13, align 1 64 ret void 65} 66