1; RUN: llc -mtriple=armv7-arm-none-eabi -o - %s | FileCheck %s 2 3%struct.sMyType = type { i32 } 4 5@val = hidden constant %struct.sMyType zeroinitializer, align 4 6@v = internal global %struct.sMyType zeroinitializer, align 4 7 8define hidden void @InitVal() local_unnamed_addr { 9entry: 10 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct.sMyType* @v to i8*), i8* align 4 bitcast (%struct.sMyType* @val to i8*), i32 4, i1 true) 11; The last argument is the isvolatile argument. This is a volatile memcpy. 12; Test that the memcpy expansion does not optimize away the load. 13; CHECK: ldr 14; CHECK: str 15 ret void 16} 17 18declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg) 19