forked from OSchip/llvm-project
69 lines
2.1 KiB
LLVM
69 lines
2.1 KiB
LLVM
; 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.atomic.p0i8.p0i8(i8* align 4 %P, i8* align 4 %Q, i64 1, i32 1)
|
|
ret i8* %P
|
|
; CHECK-DAG: movl $1, %edx
|
|
; CHECK-DAG: movl $1, %ecx
|
|
; CHECK: __llvm_memcpy_element_atomic_1
|
|
}
|
|
|
|
define i8* @test_memcpy2(i8* %P, i8* %Q) {
|
|
; CHECK: test_memcpy2
|
|
call void @llvm.memcpy.element.atomic.p0i8.p0i8(i8* align 4 %P, i8* align 4 %Q, i64 2, i32 2)
|
|
ret i8* %P
|
|
; CHECK-DAG: movl $2, %edx
|
|
; CHECK-DAG: movl $2, %ecx
|
|
; CHECK: __llvm_memcpy_element_atomic_2
|
|
}
|
|
|
|
define i8* @test_memcpy4(i8* %P, i8* %Q) {
|
|
; CHECK: test_memcpy4
|
|
call void @llvm.memcpy.element.atomic.p0i8.p0i8(i8* align 4 %P, i8* align 4 %Q, i64 4, i32 4)
|
|
ret i8* %P
|
|
; CHECK-DAG: movl $4, %edx
|
|
; CHECK-DAG: movl $4, %ecx
|
|
; CHECK: __llvm_memcpy_element_atomic_4
|
|
}
|
|
|
|
define i8* @test_memcpy8(i8* %P, i8* %Q) {
|
|
; CHECK: test_memcpy8
|
|
call void @llvm.memcpy.element.atomic.p0i8.p0i8(i8* align 8 %P, i8* align 8 %Q, i64 8, i32 8)
|
|
ret i8* %P
|
|
; CHECK-DAG: movl $8, %edx
|
|
; CHECK-DAG: movl $8, %ecx
|
|
; CHECK: __llvm_memcpy_element_atomic_8
|
|
}
|
|
|
|
define i8* @test_memcpy16(i8* %P, i8* %Q) {
|
|
; CHECK: test_memcpy16
|
|
call void @llvm.memcpy.element.atomic.p0i8.p0i8(i8* align 16 %P, i8* align 16 %Q, i64 16, i32 16)
|
|
ret i8* %P
|
|
; CHECK-DAG: movl $16, %edx
|
|
; CHECK-DAG: movl $16, %ecx
|
|
; CHECK: __llvm_memcpy_element_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
|
|
|
|
; First argument
|
|
; CHECK-DAG: movq (%rdi), [[REG1:%r.+]]
|
|
; CHECK-DAG: movq [[REG1]], %rdi
|
|
; Second argument
|
|
; CHECK-DAG: movq 8(%rdi), %rsi
|
|
; Third argument
|
|
; CHECK-DAG: movl $4, %edx
|
|
; Fourth argument
|
|
; CHECK-DAG: movl $4, %ecx
|
|
; CHECK: __llvm_memcpy_element_atomic_4
|
|
call void @llvm.memcpy.element.atomic.p0i8.p0i8(i8* align 4 %Dst, i8* align 4 %Src, i64 4, i32 4)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.element.atomic.p0i8.p0i8(i8* nocapture, i8* nocapture, i64, i32) nounwind
|