; RUN: opt < %s -aa-pipeline=basic-aa,globals-aa -passes='require<globals-aa>,gvn' -S | FileCheck %s | |
@X = internal global i32 4 ; <ptr> [#uses=2] | |
define i32 @test(ptr %P) { | |
; CHECK: @test | |
; CHECK-NEXT: store i32 12, ptr @X | |
; CHECK-NEXT: call void @doesnotmodX() | |
; CHECK-NEXT: ret i32 12 | |
store i32 12, ptr @X | |
call void @doesnotmodX( ) | |
%V = load i32, ptr @X ; <i32> [#uses=1] | |
ret i32 %V | |
} | |
define void @doesnotmodX() { | |
ret void | |
} |