Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/MemCpyOpt/pr29105.ll

@@ -1,39 +0,0 @@
-; RUN: opt -memcpyopt -instcombine -S %s | FileCheck %s
-%Foo = type { [2048 x i64] }
-
-; Make sure that all mempcy calls are converted to memset calls, or removed.
-; CHECK-LABEL: @baz(
-; CHECK-NOT: call void @llvm.memcpy
-define void @baz() unnamed_addr #0 {
-entry-block:
-  %x.sroa.0 = alloca [2048 x i64], align 8
-  %tmp0 = alloca [2048 x i64], align 8
-  %0 = bitcast [2048 x i64]* %tmp0 to i8*
-  %tmp2 = alloca %Foo, align 8
-  %x.sroa.0.0..sroa_cast6 = bitcast [2048 x i64]* %x.sroa.0 to i8*
-  call void @llvm.lifetime.start.p0i8(i64 16384, i8* %x.sroa.0.0..sroa_cast6)
-  call void @llvm.lifetime.start.p0i8(i64 16384, i8* %0)
-  call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 16384, i32 8, i1 false)
-  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %x.sroa.0.0..sroa_cast6, i8* %0, i64 16384, i32 8, i1 false)
-  call void @llvm.lifetime.end.p0i8(i64 16384, i8* %0)
-  %1 = bitcast %Foo* %tmp2 to i8*
-  call void @llvm.lifetime.start.p0i8(i64 16384, i8* %1)
-  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %x.sroa.0.0..sroa_cast6, i64 16384, i32 8, i1 false)
-  call void @bar(%Foo* noalias nocapture nonnull dereferenceable(16384) %tmp2)
-  call void @llvm.lifetime.end.p0i8(i64 16384, i8* %1)
-  call void @llvm.lifetime.end.p0i8(i64 16384, i8* %x.sroa.0.0..sroa_cast6)
-  ret void
-}
-
-declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
-
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
-
-declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
-
-declare void @bar(%Foo* noalias nocapture readonly dereferenceable(16384)) unnamed_addr #0
-
-declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
-
-attributes #0 = { uwtable }
-attributes #1 = { argmemonly nounwind }