mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
b85e4eba85
for pre-2.9 bitcode files. We keep x86 unaligned loads, movnt, crc32, and the target indep prefetch change. As usual, updating the testsuite is a PITA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133337 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.0 KiB
LLVM
48 lines
1.0 KiB
LLVM
; RUN: opt -S -dse < %s | FileCheck %s
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i32, i1) nounwind
|
|
declare void @llvm.memmove.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i32, i1) nounwind
|
|
declare void @llvm.memset.p0i8.i8(i8* nocapture, i8, i8, i32, i1) nounwind
|
|
|
|
define void @test1() {
|
|
; CHECK: @test1
|
|
%A = alloca i8
|
|
%B = alloca i8
|
|
|
|
store i8 0, i8* %A ;; Written to by memcpy
|
|
; CHECK-NOT: store
|
|
|
|
call void @llvm.memcpy.p0i8.p0i8.i8(i8* %A, i8* %B, i8 -1, i32 0, i1 false)
|
|
|
|
ret void
|
|
; CHECK: ret void
|
|
}
|
|
|
|
define void @test2() {
|
|
; CHECK: @test2
|
|
%A = alloca i8
|
|
%B = alloca i8
|
|
|
|
store i8 0, i8* %A ;; Written to by memmove
|
|
; CHECK-NOT: store
|
|
|
|
call void @llvm.memmove.p0i8.p0i8.i8(i8* %A, i8* %B, i8 -1, i32 0, i1 false)
|
|
|
|
ret void
|
|
; CHECK: ret void
|
|
}
|
|
|
|
define void @test3() {
|
|
; CHECK: @test3
|
|
%A = alloca i8
|
|
%B = alloca i8
|
|
|
|
store i8 0, i8* %A ;; Written to by memset
|
|
; CHECK-NOT: store
|
|
|
|
call void @llvm.memset.p0i8.i8(i8* %A, i8 0, i8 -1, i32 0, i1 false)
|
|
|
|
ret void
|
|
; CHECK: ret void
|
|
}
|