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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 --verify-machineinstrs < %s \
; RUN: | FileCheck --check-prefix=LA32 %s
; RUN: llc --mtriple=loongarch64 --verify-machineinstrs < %s \
; RUN: | FileCheck --check-prefix=LA64 %s
define void @merge_load_store(ptr noalias %src, ptr noalias %dst) unnamed_addr {
; LA32-LABEL: merge_load_store:
; LA32: # %bb.0: # %start
; LA32-NEXT: ld.b $a2, $a0, 0
; LA32-NEXT: ld.b $a3, $a0, 1
; LA32-NEXT: ld.b $a4, $a0, 2
; LA32-NEXT: ld.b $a5, $a0, 3
; LA32-NEXT: st.b $a2, $a1, 0
; LA32-NEXT: st.b $a3, $a1, 1
; LA32-NEXT: st.b $a4, $a1, 2
; LA32-NEXT: st.b $a5, $a1, 3
; LA32-NEXT: ld.b $a2, $a0, 4
; LA32-NEXT: ld.b $a3, $a0, 5
; LA32-NEXT: ld.b $a4, $a0, 6
; LA32-NEXT: ld.b $a0, $a0, 7
; LA32-NEXT: st.b $a2, $a1, 4
; LA32-NEXT: st.b $a3, $a1, 5
; LA32-NEXT: st.b $a4, $a1, 6
; LA32-NEXT: st.b $a0, $a1, 7
; LA32-NEXT: ret
;
; LA64-LABEL: merge_load_store:
; LA64: # %bb.0: # %start
; LA64-NEXT: ld.d $a0, $a0, 0
; LA64-NEXT: st.d $a0, $a1, 0
; LA64-NEXT: ret
start:
%_3 = load i8, ptr %src, align 1
store i8 %_3, ptr %dst, align 1
%0 = getelementptr inbounds i8, ptr %src, i64 1
%_4 = load i8, ptr %0, align 1
%1 = getelementptr inbounds i8, ptr %dst, i64 1
store i8 %_4, ptr %1, align 1
%2 = getelementptr inbounds i8, ptr %src, i64 2
%_5 = load i8, ptr %2, align 1
%3 = getelementptr inbounds i8, ptr %dst, i64 2
store i8 %_5, ptr %3, align 1
%4 = getelementptr inbounds i8, ptr %src, i64 3
%_6 = load i8, ptr %4, align 1
%5 = getelementptr inbounds i8, ptr %dst, i64 3
store i8 %_6, ptr %5, align 1
%6 = getelementptr inbounds i8, ptr %src, i64 4
%_7 = load i8, ptr %6, align 1
%7 = getelementptr inbounds i8, ptr %dst, i64 4
store i8 %_7, ptr %7, align 1
%8 = getelementptr inbounds i8, ptr %src, i64 5
%_8 = load i8, ptr %8, align 1
%9 = getelementptr inbounds i8, ptr %dst, i64 5
store i8 %_8, ptr %9, align 1
%10 = getelementptr inbounds i8, ptr %src, i64 6
%_9 = load i8, ptr %10, align 1
%11 = getelementptr inbounds i8, ptr %dst, i64 6
store i8 %_9, ptr %11, align 1
%12 = getelementptr inbounds i8, ptr %src, i64 7
%_10 = load i8, ptr %12, align 1
%13 = getelementptr inbounds i8, ptr %dst, i64 7
store i8 %_10, ptr %13, align 1
ret void
}
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