| ; RUN: opt < %s -passes=gvn -S | FileCheck %s | |
| %t = type { i32 } | |
| declare void @test1f(ptr) | |
| define void @test1(ptr noalias %stuff ) { | |
| %before = load i32, ptr %stuff | |
| call void @test1f(ptr null) | |
| %after = load i32, ptr %stuff ; <--- This should be a dead load | |
| %sum = add i32 %before, %after | |
| store i32 %sum, ptr %stuff | |
| ret void | |
| ; CHECK: load | |
| ; CHECK-NOT: load | |
| ; CHECK: ret void | |
| } |