| ; RUN: opt < %s -aa-pipeline=basic-aa -passes=gvn -S | FileCheck %s |
| |
| ; PR15967 |
| ; BasicAA claims no alias when there is (due to a problem when the MaxLookup |
| ; limit was reached). |
| |
| target datalayout = "e" |
| |
| %struct.foo = type { i32, i32 } |
| |
| define i32 @main() { |
| %t = alloca %struct.foo, align 4 |
| store i32 1, ptr %t, align 4 |
| %1 = getelementptr inbounds %struct.foo, ptr %t, i64 1 |
| %2 = getelementptr inbounds i8, ptr %1, i32 -1 |
| store i8 0, ptr %2 |
| %3 = getelementptr inbounds i8, ptr %2, i32 -1 |
| store i8 0, ptr %3 |
| %4 = getelementptr inbounds i8, ptr %3, i32 -1 |
| store i8 0, ptr %4 |
| %5 = getelementptr inbounds i8, ptr %4, i32 -1 |
| store i8 0, ptr %5 |
| %6 = getelementptr inbounds i8, ptr %5, i32 -1 |
| store i8 0, ptr %6 |
| %7 = getelementptr inbounds i8, ptr %6, i32 -1 |
| store i8 0, ptr %7 |
| %8 = getelementptr inbounds i8, ptr %7, i32 -1 |
| store i8 0, ptr %8 |
| %9 = getelementptr inbounds i8, ptr %8, i32 -1 |
| store i8 0, ptr %9 |
| %10 = load i32, ptr %t, align 4 |
| ret i32 %10 |
| ; CHECK: ret i32 %10 |
| } |
