Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/MemCpyOpt/fca2memcpy.ll

@@ -1,110 +0,0 @@
-; RUN: opt -memcpyopt -S < %s | FileCheck %s
-
-target datalayout = "e-i64:64-f80:128-n8:16:32:64"
-target triple = "x86_64-unknown-linux-gnu"
-
-%S = type { i8*, i8, i32 }
-
-define void @copy(%S* %src, %S* %dst) {
-; CHECK-LABEL: copy
-; CHECK-NOT: load
-; CHECK: call void @llvm.memmove.p0i8.p0i8.i64
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  store %S %1, %S* %dst
-  ret void
-}
-
-define void @noaliassrc(%S* noalias %src, %S* %dst) {
-; CHECK-LABEL: noaliassrc
-; CHECK-NOT: load
-; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  store %S %1, %S* %dst
-  ret void
-}
-
-define void @noaliasdst(%S* %src, %S* noalias %dst) {
-; CHECK-LABEL: noaliasdst
-; CHECK-NOT: load
-; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  store %S %1, %S* %dst
-  ret void
-}
-
-define void @destroysrc(%S* %src, %S* %dst) {
-; CHECK-LABEL: destroysrc
-; CHECK: load %S, %S* %src
-; CHECK: call void @llvm.memset.p0i8.i64
-; CHECK-NEXT: store %S %1, %S* %dst
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  store %S zeroinitializer, %S* %src
-  store %S %1, %S* %dst
-  ret void
-}
-
-define void @destroynoaliassrc(%S* noalias %src, %S* %dst) {
-; CHECK-LABEL: destroynoaliassrc
-; CHECK-NOT: load
-; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-; CHECK-NEXT: call void @llvm.memset.p0i8.i64
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  store %S zeroinitializer, %S* %src
-  store %S %1, %S* %dst
-  ret void
-}
-
-define void @copyalias(%S* %src, %S* %dst) {
-; CHECK-LABEL: copyalias
-; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %S, %S* %src
-; CHECK-NOT: load
-; CHECK: call void @llvm.memmove.p0i8.p0i8.i64
-; CHECK-NEXT: store %S [[LOAD]], %S* %dst
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  %2 = load %S, %S* %src
-  store %S %1, %S* %dst
-  store %S %2, %S* %dst
-  ret void
-}
-
-; If the store address is computed ina complex manner, make
-; sure we lift the computation as well if needed and possible.
-define void @addrproducer(%S* %src, %S* %dst) {
-; CHECK-LABEL: addrproducer
-; CHECK: %dst2 = getelementptr %S, %S* %dst, i64 1
-; CHECK: call void @llvm.memmove.p0i8.p0i8.i64
-; CHECK-NEXT: store %S undef, %S* %dst
-; CHECK-NEXT: ret void
-  %1 = load %S, %S* %src
-  store %S undef, %S* %dst
-  %dst2 = getelementptr %S , %S* %dst, i64 1
-  store %S %1, %S* %dst2
-  ret void
-}
-
-define void @aliasaddrproducer(%S* %src, %S* %dst, i32* %dstidptr) {
-; CHECK-LABEL: aliasaddrproducer
-  %1 = load %S, %S* %src
-  store %S undef, %S* %dst
-  %dstindex = load i32, i32* %dstidptr
-  %dst2 = getelementptr %S , %S* %dst, i32 %dstindex
-  store %S %1, %S* %dst2
-  ret void
-}
-
-define void @noaliasaddrproducer(%S* %src, %S* noalias %dst, i32* noalias %dstidptr) {
-; CHECK-LABEL: noaliasaddrproducer
-  %1 = load %S, %S* %src
-  store %S undef, %S* %src
-  %2 = load i32, i32* %dstidptr
-  %dstindex = or i32 %2, 1
-  %dst2 = getelementptr %S , %S* %dst, i32 %dstindex
-  store %S %1, %S* %dst2
-  ret void
-}