; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64 -global-isel=0 -o - %s | FileCheck %s --check-prefixes CHECK-LE,CHECK-SD ; RUN: llc -mtriple=aarch64_be -global-isel=0 -o - %s | FileCheck %s --check-prefixes CHECK-BE ; RUN: llc -mtriple=aarch64 -global-isel=1 -o - %s | FileCheck %s --check-prefixes CHECK-LE,CHECK-GI define i8 @test1(i32 %a, ptr %pa) { ; CHECK-SD-LABEL: test1: ; CHECK-SD: // %bb.0: ; CHECK-SD-NEXT: str w0, [x1] ; CHECK-SD-NEXT: ret ; ; CHECK-BE-LABEL: test1: ; CHECK-BE: // %bb.0: ; CHECK-BE-NEXT: mov w8, w0 ; CHECK-BE-NEXT: lsr w0, w0, #24 ; CHECK-BE-NEXT: str w8, [x1] ; CHECK-BE-NEXT: ret ; ; CHECK-GI-LABEL: test1: ; CHECK-GI: // %bb.0: ; CHECK-GI-NEXT: str w0, [x1] ; CHECK-GI-NEXT: and w0, w0, #0xff ; CHECK-GI-NEXT: ret store i32 %a, ptr %pa %res = load i8, ptr %pa ret i8 %res } define i8 @test2(i32 %a, ptr %pa) { ; CHECK-LE-LABEL: test2: ; CHECK-LE: // %bb.0: ; CHECK-LE-NEXT: str w0, [x1] ; CHECK-LE-NEXT: ubfx w0, w0, #8, #8 ; CHECK-LE-NEXT: ret ; ; CHECK-BE-LABEL: test2: ; CHECK-BE: // %bb.0: ; CHECK-BE-NEXT: str w0, [x1] ; CHECK-BE-NEXT: ldrb w0, [x1, #1] ; CHECK-BE-NEXT: ret %p8 = getelementptr i8, ptr %pa, i32 1 store i32 %a, ptr %pa %res = load i8, ptr %p8 ret i8 %res } define i8 @test3(i32 %a, ptr %pa) { ; CHECK-LE-LABEL: test3: ; CHECK-LE: // %bb.0: ; CHECK-LE-NEXT: str w0, [x1] ; CHECK-LE-NEXT: ubfx w0, w0, #16, #8 ; CHECK-LE-NEXT: ret ; ; CHECK-BE-LABEL: test3: ; CHECK-BE: // %bb.0: ; CHECK-BE-NEXT: str w0, [x1] ; CHECK-BE-NEXT: ldrb w0, [x1, #2] ; CHECK-BE-NEXT: ret %p8 = getelementptr i8, ptr %pa, i32 2 store i32 %a, ptr %pa %res = load i8, ptr %p8 ret i8 %res } define i8 @test4(i32 %a, ptr %pa) { ; CHECK-LE-LABEL: test4: ; CHECK-LE: // %bb.0: ; CHECK-LE-NEXT: str w0, [x1] ; CHECK-LE-NEXT: lsr w0, w0, #24 ; CHECK-LE-NEXT: ret ; ; CHECK-BE-LABEL: test4: ; CHECK-BE: // %bb.0: ; CHECK-BE-NEXT: str w0, [x1] ; CHECK-BE-NEXT: ret %p8 = getelementptr i8, ptr %pa, i32 3 store i32 %a, ptr %pa %res = load i8, ptr %p8 ret i8 %res } define i32 @load_i16_store_i8(ptr %p, ptr %q) { ; CHECK-SD-LABEL: load_i16_store_i8: ; CHECK-SD: // %bb.0: // %entry ; CHECK-SD-NEXT: ldrb w8, [x0] ; CHECK-SD-NEXT: mov w0, wzr ; CHECK-SD-NEXT: strb w8, [x1] ; CHECK-SD-NEXT: ret ; ; CHECK-BE-LABEL: load_i16_store_i8: ; CHECK-BE: // %bb.0: // %entry ; CHECK-BE-NEXT: ldrb w8, [x0, #1] ; CHECK-BE-NEXT: mov w0, wzr ; CHECK-BE-NEXT: strb w8, [x1] ; CHECK-BE-NEXT: ret ; ; CHECK-GI-LABEL: load_i16_store_i8: ; CHECK-GI: // %bb.0: // %entry ; CHECK-GI-NEXT: ldrh w8, [x0] ; CHECK-GI-NEXT: mov w0, wzr ; CHECK-GI-NEXT: strb w8, [x1] ; CHECK-GI-NEXT: ret entry: %l = load i16, ptr %p, align 4 %tr = trunc i16 %l to i8 store i8 %tr, ptr %q, align 1 ret i32 0 } define i32 @load_i16_store_i8_freeze(ptr %p, ptr %q) { ; CHECK-SD-LABEL: load_i16_store_i8_freeze: ; CHECK-SD: // %bb.0: // %entry ; CHECK-SD-NEXT: ldrb w8, [x0] ; CHECK-SD-NEXT: mov w0, wzr ; CHECK-SD-NEXT: strb w8, [x1] ; CHECK-SD-NEXT: ret ; ; CHECK-BE-LABEL: load_i16_store_i8_freeze: ; CHECK-BE: // %bb.0: // %entry ; CHECK-BE-NEXT: ldrb w8, [x0, #1] ; CHECK-BE-NEXT: mov w0, wzr ; CHECK-BE-NEXT: strb w8, [x1] ; CHECK-BE-NEXT: ret ; ; CHECK-GI-LABEL: load_i16_store_i8_freeze: ; CHECK-GI: // %bb.0: // %entry ; CHECK-GI-NEXT: ldrh w8, [x0] ; CHECK-GI-NEXT: mov w0, wzr ; CHECK-GI-NEXT: strb w8, [x1] ; CHECK-GI-NEXT: ret entry: %l = load i16, ptr %p, align 4 %fr = freeze i16 %l %tr = trunc i16 %fr to i8 store i8 %tr, ptr %q, align 1 ret i32 0 }