Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/test/Analysis/MemorySSA/constant-memory.ll

@@ -1,41 +0,0 @@
-; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %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
-}