1; RUN: opt -disable-output -passes='print<memoryssa>' %s 2>&1 | FileCheck %s 2 3declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind 4 5define void @source_clobber(ptr %a, ptr %b) { 6; CHECK-LABEL: @source_clobber( 7; CHECK-NEXT: ; 1 = MemoryDef(liveOnEntry) 8; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 128, i1 false) 9; CHECK-NEXT: ; MemoryUse(1) 10; CHECK-NEXT: [[X:%.*]] = load i8, ptr %b 11; CHECK-NEXT: ret void 12; 13 call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 128, i1 false) 14 %x = load i8, ptr %b 15 ret void 16} 17