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1; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s
2; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s
3;
4; Ensures that volatile stores/loads count as MemoryDefs
5
6define i32 @foo() {
7  %1 = alloca i32, align 4
8; CHECK: 1 = MemoryDef(liveOnEntry)
9; CHECK-NEXT: store volatile i32 4
10  store volatile i32 4, i32* %1, align 4
11; CHECK: 2 = MemoryDef(1)
12; CHECK-NEXT: store volatile i32 8
13  store volatile i32 8, i32* %1, align 4
14; CHECK: 3 = MemoryDef(2)
15; CHECK-NEXT: %2 = load volatile i32
16  %2 = load volatile i32, i32* %1, align 4
17; CHECK: 4 = MemoryDef(3)
18; CHECK-NEXT: %3 = load volatile i32
19  %3 = load volatile i32, i32* %1, align 4
20  %4 = add i32 %3, %2
21  ret i32 %4
22}
23