1 ; RUN: opt < %s -scalarrepl -S | FileCheck %s 2 ; Radar 7552893 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-f80:128:128-n8:16:32" 5 6 %struct.test = type { [3 x double] } 7 8 define void @test_memcpy_self() nounwind { 9 ; CHECK: @test_memcpy_self 10 ; CHECK-NOT: alloca 11 ; CHECK: ret void 12 %1 = alloca %struct.test 13 %2 = bitcast %struct.test* %1 to i8* 14 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %2, i8* %2, i32 24, i32 4, i1 false) 15 ret void 16 } 17 18 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind 19