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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
define i8* @test_memcpy1(i8* %P, i8* %Q) {
; CHECK: test_memcpy
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1, i32 1)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $1, %edx
; CHECK: __llvm_memcpy_element_unordered_atomic_1
}
define i8* @test_memcpy2(i8* %P, i8* %Q) {
; CHECK: test_memcpy2
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 2, i32 2)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $2, %edx
; CHECK: __llvm_memcpy_element_unordered_atomic_2
}
define i8* @test_memcpy4(i8* %P, i8* %Q) {
; CHECK: test_memcpy4
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 4, i32 4)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $4, %edx
; CHECK: __llvm_memcpy_element_unordered_atomic_4
}
define i8* @test_memcpy8(i8* %P, i8* %Q) {
; CHECK: test_memcpy8
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %P, i8* align 8 %Q, i32 8, i32 8)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $8, %edx
; CHECK: __llvm_memcpy_element_unordered_atomic_8
}
define i8* @test_memcpy16(i8* %P, i8* %Q) {
; CHECK: test_memcpy16
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %P, i8* align 16 %Q, i32 16, i32 16)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $16, %edx
; CHECK: __llvm_memcpy_element_unordered_atomic_16
}
define void @test_memcpy_args(i8** %Storage) {
; CHECK: test_memcpy_args
%Dst = load i8*, i8** %Storage
%Src.addr = getelementptr i8*, i8** %Storage, i64 1
%Src = load i8*, i8** %Src.addr
; 1st arg (%rdi)
; CHECK-DAG: movq (%rdi), [[REG1:%r.+]]
; CHECK-DAG: movq [[REG1]], %rdi
; 2nd arg (%rsi)
; CHECK-DAG: movq 8(%rdi), %rsi
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $4, %edx
; CHECK: __llvm_memcpy_element_unordered_atomic_4
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %Dst, i8* align 4 %Src, i32 4, i32 4) ret void
}
define i8* @test_memmove1(i8* %P, i8* %Q) {
; CHECK: test_memmove
call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1, i32 1)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $1, %edx
; CHECK: __llvm_memmove_element_unordered_atomic_1
}
define i8* @test_memmove2(i8* %P, i8* %Q) {
; CHECK: test_memmove2
call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 2, i32 2)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $2, %edx
; CHECK: __llvm_memmove_element_unordered_atomic_2
}
define i8* @test_memmove4(i8* %P, i8* %Q) {
; CHECK: test_memmove4
call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 4, i32 4)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $4, %edx
; CHECK: __llvm_memmove_element_unordered_atomic_4
}
define i8* @test_memmove8(i8* %P, i8* %Q) {
; CHECK: test_memmove8
call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %P, i8* align 8 %Q, i32 8, i32 8)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $8, %edx
; CHECK: __llvm_memmove_element_unordered_atomic_8
}
define i8* @test_memmove16(i8* %P, i8* %Q) {
; CHECK: test_memmove16
call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %P, i8* align 16 %Q, i32 16, i32 16)
ret i8* %P
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $16, %edx
; CHECK: __llvm_memmove_element_unordered_atomic_16
}
define void @test_memmove_args(i8** %Storage) {
; CHECK: test_memmove_args
%Dst = load i8*, i8** %Storage
%Src.addr = getelementptr i8*, i8** %Storage, i64 1
%Src = load i8*, i8** %Src.addr
; 1st arg (%rdi)
; CHECK-DAG: movq (%rdi), [[REG1:%r.+]]
; CHECK-DAG: movq [[REG1]], %rdi
; 2nd arg (%rsi)
; CHECK-DAG: movq 8(%rdi), %rsi
; 3rd arg (%edx) -- length
; CHECK-DAG: movl $4, %edx
; CHECK: __llvm_memmove_element_unordered_atomic_4
call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %Dst, i8* align 4 %Src, i32 4, i32 4) ret void
}
declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
declare void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
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