mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 06:30:19 +00:00
20adc9dc46
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
690 B
LLVM
20 lines
690 B
LLVM
; RUN: opt < %s -S -memcpyopt | FileCheck %s
|
|
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
|
|
|
|
; The resulting memset is only 4-byte aligned, despite containing
|
|
; a 16-byte alignmed store in the middle.
|
|
|
|
; CHECK: call void @llvm.memset.p0i8.i64(i8* %a01, i8 0, i64 16, i32 4, i1 false)
|
|
|
|
define void @foo(i32* %p) {
|
|
%a0 = getelementptr i32* %p, i64 0
|
|
store i32 0, i32* %a0, align 4
|
|
%a1 = getelementptr i32* %p, i64 1
|
|
store i32 0, i32* %a1, align 16
|
|
%a2 = getelementptr i32* %p, i64 2
|
|
store i32 0, i32* %a2, align 4
|
|
%a3 = getelementptr i32* %p, i64 3
|
|
store i32 0, i32* %a3, align 4
|
|
ret void
|
|
}
|