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1; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s2; This test checks that lifetime markers are considered clobbers of %P,3; and due to lack of noalias information, of %Q as well.4 5declare ptr @obscure(ptr) memory(none)6 7define i8 @test() {8entry:9 %P = alloca [32 x i8]10 %Q = call ptr @obscure(ptr %P)11; CHECK: 1 = MemoryDef(liveOnEntry)12; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr %P)13 call void @llvm.lifetime.start.p0(ptr %P)14; CHECK: MemoryUse(1)15; CHECK-NEXT: %0 = load i8, ptr %P16 %0 = load i8, ptr %P17; CHECK: 2 = MemoryDef(1)18; CHECK-NEXT: store i8 1, ptr %P19 store i8 1, ptr %P20; CHECK: 3 = MemoryDef(2)21; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr %P)22 call void @llvm.lifetime.end.p0(ptr %P)23; CHECK: MemoryUse(3)24; CHECK-NEXT: %1 = load i8, ptr %P25 %1 = load i8, ptr %P26; CHECK: MemoryUse(3)27; CHECK-NEXT: %2 = load i8, ptr %Q28 %2 = load i8, ptr %Q29 ret i8 %130}31declare void @llvm.lifetime.start.p0(ptr nocapture %P) readonly32declare void @llvm.lifetime.end.p0(ptr nocapture %P)33