1 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s 2 3 define i8* @test_memcpy1(i8* %P, i8* %Q) { 4 ; CHECK: test_memcpy 5 call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1024, i32 1) 6 ret i8* %P 7 ; 3rd arg (%edx) -- length 8 ; CHECK-DAG: movl $1024, %edx 9 ; CHECK: __llvm_memcpy_element_unordered_atomic_1 10 } 11 12 define i8* @test_memcpy2(i8* %P, i8* %Q) { 13 ; CHECK: test_memcpy2 14 call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1024, i32 2) 15 ret i8* %P 16 ; 3rd arg (%edx) -- length 17 ; CHECK-DAG: movl $1024, %edx 18 ; CHECK: __llvm_memcpy_element_unordered_atomic_2 19 } 20 21 define i8* @test_memcpy4(i8* %P, i8* %Q) { 22 ; CHECK: test_memcpy4 23 call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1024, i32 4) 24 ret i8* %P 25 ; 3rd arg (%edx) -- length 26 ; CHECK-DAG: movl $1024, %edx 27 ; CHECK: __llvm_memcpy_element_unordered_atomic_4 28 } 29 30 define i8* @test_memcpy8(i8* %P, i8* %Q) { 31 ; CHECK: test_memcpy8 32 call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %P, i8* align 8 %Q, i32 1024, i32 8) 33 ret i8* %P 34 ; 3rd arg (%edx) -- length 35 ; CHECK-DAG: movl $1024, %edx 36 ; CHECK: __llvm_memcpy_element_unordered_atomic_8 37 } 38 39 define i8* @test_memcpy16(i8* %P, i8* %Q) { 40 ; CHECK: test_memcpy16 41 call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %P, i8* align 16 %Q, i32 1024, i32 16) 42 ret i8* %P 43 ; 3rd arg (%edx) -- length 44 ; CHECK-DAG: movl $1024, %edx 45 ; CHECK: __llvm_memcpy_element_unordered_atomic_16 46 } 47 48 define void @test_memcpy_args(i8** %Storage) { 49 ; CHECK: test_memcpy_args 50 %Dst = load i8*, i8** %Storage 51 %Src.addr = getelementptr i8*, i8** %Storage, i64 1 52 %Src = load i8*, i8** %Src.addr 53 54 ; 1st arg (%rdi) 55 ; CHECK-DAG: movq (%rdi), [[REG1:%r.+]] 56 ; CHECK-DAG: movq [[REG1]], %rdi 57 ; 2nd arg (%rsi) 58 ; CHECK-DAG: movq 8(%rdi), %rsi 59 ; 3rd arg (%edx) -- length 60 ; CHECK-DAG: movl $1024, %edx 61 ; CHECK: __llvm_memcpy_element_unordered_atomic_4 62 call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %Dst, i8* align 4 %Src, i32 1024, i32 4) 63 ret void 64 } 65 66 define i8* @test_memmove1(i8* %P, i8* %Q) { 67 ; CHECK: test_memmove 68 call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1024, i32 1) 69 ret i8* %P 70 ; 3rd arg (%edx) -- length 71 ; CHECK-DAG: movl $1024, %edx 72 ; CHECK: __llvm_memmove_element_unordered_atomic_1 73 } 74 75 define i8* @test_memmove2(i8* %P, i8* %Q) { 76 ; CHECK: test_memmove2 77 call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1024, i32 2) 78 ret i8* %P 79 ; 3rd arg (%edx) -- length 80 ; CHECK-DAG: movl $1024, %edx 81 ; CHECK: __llvm_memmove_element_unordered_atomic_2 82 } 83 84 define i8* @test_memmove4(i8* %P, i8* %Q) { 85 ; CHECK: test_memmove4 86 call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1024, i32 4) 87 ret i8* %P 88 ; 3rd arg (%edx) -- length 89 ; CHECK-DAG: movl $1024, %edx 90 ; CHECK: __llvm_memmove_element_unordered_atomic_4 91 } 92 93 define i8* @test_memmove8(i8* %P, i8* %Q) { 94 ; CHECK: test_memmove8 95 call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %P, i8* align 8 %Q, i32 1024, i32 8) 96 ret i8* %P 97 ; 3rd arg (%edx) -- length 98 ; CHECK-DAG: movl $1024, %edx 99 ; CHECK: __llvm_memmove_element_unordered_atomic_8 100 } 101 102 define i8* @test_memmove16(i8* %P, i8* %Q) { 103 ; CHECK: test_memmove16 104 call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %P, i8* align 16 %Q, i32 1024, i32 16) 105 ret i8* %P 106 ; 3rd arg (%edx) -- length 107 ; CHECK-DAG: movl $1024, %edx 108 ; CHECK: __llvm_memmove_element_unordered_atomic_16 109 } 110 111 define void @test_memmove_args(i8** %Storage) { 112 ; CHECK: test_memmove_args 113 %Dst = load i8*, i8** %Storage 114 %Src.addr = getelementptr i8*, i8** %Storage, i64 1 115 %Src = load i8*, i8** %Src.addr 116 117 ; 1st arg (%rdi) 118 ; CHECK-DAG: movq (%rdi), [[REG1:%r.+]] 119 ; CHECK-DAG: movq [[REG1]], %rdi 120 ; 2nd arg (%rsi) 121 ; CHECK-DAG: movq 8(%rdi), %rsi 122 ; 3rd arg (%edx) -- length 123 ; CHECK-DAG: movl $1024, %edx 124 ; CHECK: __llvm_memmove_element_unordered_atomic_4 125 call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %Dst, i8* align 4 %Src, i32 1024, i32 4) 126 ret void 127 } 128 129 define i8* @test_memset1(i8* %P, i8 %V) { 130 ; CHECK: test_memset 131 call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %P, i8 %V, i32 1024, i32 1) 132 ret i8* %P 133 ; 3rd arg (%edx) -- length 134 ; CHECK-DAG: movl $1024, %edx 135 ; CHECK: __llvm_memset_element_unordered_atomic_1 136 } 137 138 define i8* @test_memset2(i8* %P, i8 %V) { 139 ; CHECK: test_memset2 140 call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 2 %P, i8 %V, i32 1024, i32 2) 141 ret i8* %P 142 ; 3rd arg (%edx) -- length 143 ; CHECK-DAG: movl $1024, %edx 144 ; CHECK: __llvm_memset_element_unordered_atomic_2 145 } 146 147 define i8* @test_memset4(i8* %P, i8 %V) { 148 ; CHECK: test_memset4 149 call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %P, i8 %V, i32 1024, i32 4) 150 ret i8* %P 151 ; 3rd arg (%edx) -- length 152 ; CHECK-DAG: movl $1024, %edx 153 ; CHECK: __llvm_memset_element_unordered_atomic_4 154 } 155 156 define i8* @test_memset8(i8* %P, i8 %V) { 157 ; CHECK: test_memset8 158 call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 8 %P, i8 %V, i32 1024, i32 8) 159 ret i8* %P 160 ; 3rd arg (%edx) -- length 161 ; CHECK-DAG: movl $1024, %edx 162 ; CHECK: __llvm_memset_element_unordered_atomic_8 163 } 164 165 define i8* @test_memset16(i8* %P, i8 %V) { 166 ; CHECK: test_memset16 167 call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 16 %P, i8 %V, i32 1024, i32 16) 168 ret i8* %P 169 ; 3rd arg (%edx) -- length 170 ; CHECK-DAG: movl $1024, %edx 171 ; CHECK: __llvm_memset_element_unordered_atomic_16 172 } 173 174 define void @test_memset_args(i8** %Storage, i8* %V) { 175 ; CHECK: test_memset_args 176 %Dst = load i8*, i8** %Storage 177 %Val = load i8, i8* %V 178 179 ; 1st arg (%rdi) 180 ; CHECK-DAG: movq (%rdi), %rdi 181 ; 2nd arg (%rsi) 182 ; CHECK-DAG: movzbl (%rsi), %esi 183 ; 3rd arg (%edx) -- length 184 ; CHECK-DAG: movl $1024, %edx 185 ; CHECK: __llvm_memset_element_unordered_atomic_4 186 call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %Dst, i8 %Val, i32 1024, i32 4) 187 ret void 188 } 189 190 declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind 191 declare void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind 192 declare void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* nocapture, i8, i32, i32) nounwind 193
