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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 
      6 define 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