| ; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s |
| ; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s |
| ; |
| ; Ensures that volatile stores/loads count as MemoryDefs |
| |
| define i32 @foo() { |
| %1 = alloca i32, align 4 |
| ; CHECK: 1 = MemoryDef(liveOnEntry) |
| ; CHECK-NEXT: store volatile i32 4 |
| store volatile i32 4, i32* %1, align 4 |
| ; CHECK: 2 = MemoryDef(1) |
| ; CHECK-NEXT: store volatile i32 8 |
| store volatile i32 8, i32* %1, align 4 |
| ; CHECK: 3 = MemoryDef(2) |
| ; CHECK-NEXT: %2 = load volatile i32 |
| %2 = load volatile i32, i32* %1, align 4 |
| ; CHECK: 4 = MemoryDef(3) |
| ; CHECK-NEXT: %3 = load volatile i32 |
| %3 = load volatile i32, i32* %1, align 4 |
| %4 = add i32 %3, %2 |
| ret i32 %4 |
| } |