; RUN: opt -basic-aa -print-memoryssa -verify-memoryssa -enable-new-pm=0 -analyze < %s 2>&1 | FileCheck %s ; RUN: opt -aa-pipeline=basic-aa -passes='print' -verify-memoryssa < %s 2>&1 | FileCheck %s ; ; Things that BasicAA can prove points to constant memory should be ; liveOnEntry, as well. declare void @clobberAllTheThings() @str = private unnamed_addr constant [2 x i8] c"hi" define i8 @foo() { ; CHECK: 1 = MemoryDef(liveOnEntry) ; CHECK-NEXT: call void @clobberAllTheThings() call void @clobberAllTheThings() %1 = getelementptr [2 x i8], [2 x i8]* @str, i64 0, i64 0 ; CHECK: MemoryUse(liveOnEntry) ; CHECK-NEXT: %2 = load i8 %2 = load i8, i8* %1, align 1 %3 = getelementptr [2 x i8], [2 x i8]* @str, i64 0, i64 1 ; CHECK: MemoryUse(liveOnEntry) ; CHECK-NEXT: %4 = load i8 %4 = load i8, i8* %3, align 1 %5 = add i8 %2, %4 ret i8 %5 } define i8 @select(i1 %b) { %1 = alloca i8, align 1 ; CHECK: 1 = MemoryDef(liveOnEntry) ; CHECK-NEXT: store i8 0 store i8 0, i8* %1, align 1 ; CHECK: 2 = MemoryDef(1) ; CHECK-NEXT: call void @clobberAllTheThings() call void @clobberAllTheThings() %2 = getelementptr [2 x i8], [2 x i8]* @str, i64 0, i64 0 %3 = select i1 %b, i8* %2, i8* %1 ; CHECK: MemoryUse(2) ; CHECK-NEXT: %4 = load i8 %4 = load i8, i8* %3, align 1 ret i8 %4 }