1 ; RUN: opt -basicaa -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
4 ; Ensures that assumes are treated as not reading or writing memory.
6 declare void @llvm.assume(i1)
8 define i32 @foo(i32* %a, i32* %b, i1 %c) {
9 ; CHECK: 1 = MemoryDef(liveOnEntry)
10 ; CHECK-NEXT: store i32 4
11 store i32 4, i32* %a, align 4
12 ; CHECK-NOT: MemoryDef
13 ; CHECK: call void @llvm.assume
14 call void @llvm.assume(i1 %c)
16 ; CHECK-NEXT: %1 = load i32
17 %1 = load i32, i32* %a, align 4