1 ; RUN: opt -disable-output -basicaa -print-memoryssa %s 2>&1 | FileCheck %s 2 3 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind 4 5 define void @source_clobber(i8* %a, i8* %b) { 6 ; CHECK-LABEL: @source_clobber( 7 ; CHECK-NEXT: ; 1 = MemoryDef(liveOnEntry) 8 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 128, i1 false) 9 ; CHECK-NEXT: ; MemoryUse(liveOnEntry) 10 ; CHECK-NEXT: [[X:%.*]] = load i8, i8* %b 11 ; CHECK-NEXT: ret void 12 ; 13 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 128, i1 false) 14 %x = load i8, i8* %b 15 ret void 16 } 17
