1 ; RUN: opt < %s -scalarrepl -S | grep memcpy 2 ; PR1421 3 4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" 5 target triple = "i686-apple-darwin8" 6 7 %struct.LongestMember = type { i8, i32 } 8 %struct.MyString = type { i32 } 9 %struct.UnionType = type { %struct.LongestMember } 10 11 define void @_Z4testP9UnionTypePS0_(%struct.UnionType* %p, %struct.UnionType** %pointerToUnion) { 12 entry: 13 %tmp = alloca %struct.UnionType, align 8 14 %tmp2 = getelementptr %struct.UnionType* %tmp, i32 0, i32 0, i32 0 15 %tmp13 = getelementptr %struct.UnionType* %p, i32 0, i32 0, i32 0 16 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp2, i8* %tmp13, i32 8, i32 0, i1 false) 17 %tmp5 = load %struct.UnionType** %pointerToUnion 18 %tmp56 = getelementptr %struct.UnionType* %tmp5, i32 0, i32 0, i32 0 19 %tmp7 = getelementptr %struct.UnionType* %tmp, i32 0, i32 0, i32 0 20 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp56, i8* %tmp7, i32 8, i32 0, i1 false) 21 ret void 22 } 23 24 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind 25