| ; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=3 < %s | FileCheck %s |
| |
| define dso_local i32 @visible(i32* noalias %A, i32* noalias %B) #0 { |
| entry: |
| %call1 = call i32 @noalias_args(i32* %A, i32* %B) |
| %call2 = call i32 @noalias_args_argmem(i32* %A, i32* %B) |
| %add = add nsw i32 %call1, %call2 |
| ret i32 %add |
| } |
| |
| ; CHECK: define private i32 @noalias_args(i32* nocapture nonnull readonly dereferenceable(4) %A, i32* noalias nocapture nonnull readonly dereferenceable(4) %B) |
| |
| define private i32 @noalias_args(i32* %A, i32* %B) #0 { |
| entry: |
| %0 = load i32, i32* %A, align 4 |
| %1 = load i32, i32* %B, align 4 |
| %add = add nsw i32 %0, %1 |
| %call = call i32 @noalias_args_argmem(i32* %A, i32* %B) |
| %add2 = add nsw i32 %add, %call |
| ret i32 %add2 |
| } |
| |
| |
| ; FIXME: Should be something like this. |
| ; define internal i32 @noalias_args_argmem(i32* noalias nocapture readonly %A, i32* noalias nocapture readonly %B) |
| ; CHECK: define internal i32 @noalias_args_argmem(i32* nocapture nonnull readonly dereferenceable(4) %A, i32* nocapture nonnull readonly dereferenceable(4) %B) |
| |
| ; |
| define internal i32 @noalias_args_argmem(i32* %A, i32* %B) #1 { |
| entry: |
| %0 = load i32, i32* %A, align 4 |
| %1 = load i32, i32* %B, align 4 |
| %add = add nsw i32 %0, %1 |
| ret i32 %add |
| } |
| |
| define dso_local i32 @visible_local(i32* %A) #0 { |
| entry: |
| %B = alloca i32, align 4 |
| store i32 5, i32* %B, align 4 |
| %call1 = call i32 @noalias_args(i32* %A, i32* nonnull %B) |
| %call2 = call i32 @noalias_args_argmem(i32* %A, i32* nonnull %B) |
| %add = add nsw i32 %call1, %call2 |
| ret i32 %add |
| } |
| |
| attributes #0 = { noinline nounwind uwtable willreturn } |
| attributes #1 = { argmemonly noinline nounwind uwtable willreturn} |