| ; RUN: opt -basicaa -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 assumes are treated as not reading or writing memory. | |
| declare void @llvm.assume(i1) | |
| define i32 @foo(i32* %a, i32* %b, i1 %c) { | |
| ; CHECK: 1 = MemoryDef(liveOnEntry) | |
| ; CHECK-NEXT: store i32 4 | |
| store i32 4, i32* %a, align 4 | |
| ; CHECK-NOT: MemoryDef | |
| ; CHECK: call void @llvm.assume | |
| call void @llvm.assume(i1 %c) | |
| ; CHECK: MemoryUse(1) | |
| ; CHECK-NEXT: %1 = load i32 | |
| %1 = load i32, i32* %a, align 4 | |
| ret i32 %1 | |
| } |