17 lines · plain
1; RUN: opt -disable-output -passes='print<memoryssa>' %s 2>&1 | FileCheck %s2 3declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind4 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 %b11; CHECK-NEXT: ret void12;13 call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 128, i1 false)14 %x = load i8, ptr %b15 ret void16}17