1 ; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -relocation-model=dynamic-no-pic -mtriple=arm64-apple-ios < %s | FileCheck %s --check-prefix=ARM64 2 3 @message = global [80 x i8] c"The LLVM Compiler Infrastructure\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 16 4 @temp = common global [80 x i8] zeroinitializer, align 16 5 6 define void @t1() { 7 ; ARM64-LABEL: t1 8 ; ARM64: adrp x8, _message@PAGE 9 ; ARM64: add x0, x8, _message@PAGEOFF 10 ; ARM64: mov w9, wzr 11 ; ARM64: mov x2, #80 12 ; ARM64: uxtb w1, w9 13 ; ARM64: bl _memset 14 call void @llvm.memset.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i8 0, i64 80, i32 16, i1 false) 15 ret void 16 } 17 18 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) 19 20 define void @t2() { 21 ; ARM64-LABEL: t2 22 ; ARM64: adrp x8, _temp@GOTPAGE 23 ; ARM64: ldr x0, [x8, _temp@GOTPAGEOFF] 24 ; ARM64: adrp x8, _message@PAGE 25 ; ARM64: add x1, x8, _message@PAGEOFF 26 ; ARM64: mov x2, #80 27 ; ARM64: bl _memcpy 28 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 80, i32 16, i1 false) 29 ret void 30 } 31 32 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) 33 34 define void @t3() { 35 ; ARM64-LABEL: t3 36 ; ARM64: adrp x8, _temp@GOTPAGE 37 ; ARM64: ldr x0, [x8, _temp@GOTPAGEOFF] 38 ; ARM64: adrp x8, _message@PAGE 39 ; ARM64: add x1, x8, _message@PAGEOFF 40 ; ARM64: mov x2, #20 41 ; ARM64: bl _memmove 42 call void @llvm.memmove.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 20, i32 16, i1 false) 43 ret void 44 } 45 46 declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) 47 48 define void @t4() { 49 ; ARM64-LABEL: t4 50 ; ARM64: adrp x8, _temp@GOTPAGE 51 ; ARM64: ldr x8, [x8, _temp@GOTPAGEOFF] 52 ; ARM64: adrp x9, _message@PAGE 53 ; ARM64: add x9, x9, _message@PAGEOFF 54 ; ARM64: ldr x10, [x9] 55 ; ARM64: str x10, [x8] 56 ; ARM64: ldr x10, [x9, #8] 57 ; ARM64: str x10, [x8, #8] 58 ; ARM64: ldrb w11, [x9, #16] 59 ; ARM64: strb w11, [x8, #16] 60 ; ARM64: ret 61 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 17, i32 16, i1 false) 62 ret void 63 } 64 65 define void @t5() { 66 ; ARM64-LABEL: t5 67 ; ARM64: adrp x8, _temp@GOTPAGE 68 ; ARM64: ldr x8, [x8, _temp@GOTPAGEOFF] 69 ; ARM64: adrp x9, _message@PAGE 70 ; ARM64: add x9, x9, _message@PAGEOFF 71 ; ARM64: ldr x10, [x9] 72 ; ARM64: str x10, [x8] 73 ; ARM64: ldr x10, [x9, #8] 74 ; ARM64: str x10, [x8, #8] 75 ; ARM64: ldrb w11, [x9, #16] 76 ; ARM64: strb w11, [x8, #16] 77 ; ARM64: ret 78 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 17, i32 8, i1 false) 79 ret void 80 } 81 82 define void @t6() { 83 ; ARM64-LABEL: t6 84 ; ARM64: adrp x8, _temp@GOTPAGE 85 ; ARM64: ldr x8, [x8, _temp@GOTPAGEOFF] 86 ; ARM64: adrp x9, _message@PAGE 87 ; ARM64: add x9, x9, _message@PAGEOFF 88 ; ARM64: ldr w10, [x9] 89 ; ARM64: str w10, [x8] 90 ; ARM64: ldr w10, [x9, #4] 91 ; ARM64: str w10, [x8, #4] 92 ; ARM64: ldrb w10, [x9, #8] 93 ; ARM64: strb w10, [x8, #8] 94 ; ARM64: ret 95 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 9, i32 4, i1 false) 96 ret void 97 } 98 99 define void @t7() { 100 ; ARM64-LABEL: t7 101 ; ARM64: adrp x8, _temp@GOTPAGE 102 ; ARM64: ldr x8, [x8, _temp@GOTPAGEOFF] 103 ; ARM64: adrp x9, _message@PAGE 104 ; ARM64: add x9, x9, _message@PAGEOFF 105 ; ARM64: ldrh w10, [x9] 106 ; ARM64: strh w10, [x8] 107 ; ARM64: ldrh w10, [x9, #2] 108 ; ARM64: strh w10, [x8, #2] 109 ; ARM64: ldrh w10, [x9, #4] 110 ; ARM64: strh w10, [x8, #4] 111 ; ARM64: ldrb w10, [x9, #6] 112 ; ARM64: strb w10, [x8, #6] 113 ; ARM64: ret 114 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 7, i32 2, i1 false) 115 ret void 116 } 117 118 define void @t8() { 119 ; ARM64-LABEL: t8 120 ; ARM64: adrp x8, _temp@GOTPAGE 121 ; ARM64: ldr x8, [x8, _temp@GOTPAGEOFF] 122 ; ARM64: adrp x9, _message@PAGE 123 ; ARM64: add x9, x9, _message@PAGEOFF 124 ; ARM64: ldrb w10, [x9] 125 ; ARM64: strb w10, [x8] 126 ; ARM64: ldrb w10, [x9, #1] 127 ; ARM64: strb w10, [x8, #1] 128 ; ARM64: ldrb w10, [x9, #2] 129 ; ARM64: strb w10, [x8, #2] 130 ; ARM64: ldrb w10, [x9, #3] 131 ; ARM64: strb w10, [x8, #3] 132 ; ARM64: ret 133 call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 4, i32 1, i1 false) 134 ret void 135 } 136 137 define void @test_distant_memcpy(i8* %dst) { 138 ; ARM64-LABEL: test_distant_memcpy: 139 ; ARM64: mov [[ARRAY:x[0-9]+]], sp 140 ; ARM64: mov [[OFFSET:x[0-9]+]], #8000 141 ; ARM64: add x[[ADDR:[0-9]+]], [[ARRAY]], [[OFFSET]] 142 ; ARM64: ldrb [[BYTE:w[0-9]+]], [x[[ADDR]]] 143 ; ARM64: strb [[BYTE]], [x0] 144 %array = alloca i8, i32 8192 145 %elem = getelementptr i8, i8* %array, i32 8000 146 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %elem, i64 1, i32 1, i1 false) 147 ret void 148 } 149
