| ; 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 |
| } |
