blob: ed4f3a1834e025bc6b8a9247c488d89902b59622 [file] [log] [blame]
; RUN: opt < %s -basic-aa -gvn -instcombine -S | FileCheck %s
define i32 @test() {
; CHECK: ret i32 0
%A = alloca i32 ; <i32*> [#uses=3]
call void @foo( i32* %A )
%X = load i32, i32* %A ; <i32> [#uses=1]
tail call void @bar( )
%Y = load i32, i32* %A ; <i32> [#uses=1]
%Z = sub i32 %X, %Y ; <i32> [#uses=1]
ret i32 %Z
}
declare void @foo(i32*)
declare void @bar()