blob: 8ab81cd586fdf6acafb69c9e32188767194370dd [file] [log] [blame]
; RUN: opt < %s -passes=globalopt -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
@G = internal global i32* null ; <i32**> [#uses=4]
; CHECK-NOT: global
define void @init() {
%malloccall = tail call i8* @malloc(i64 4) ; <i8*> [#uses=1]
%P = bitcast i8* %malloccall to i32* ; <i32*> [#uses=1]
store i32* %P, i32** @G
%GV = load i32*, i32** @G ; <i32*> [#uses=1]
store i32 0, i32* %GV
ret void
}
declare noalias i8* @malloc(i64)
define i32 @get() {
%GV = load i32*, i32** @G ; <i32*> [#uses=1]
%V = load i32, i32* %GV ; <i32> [#uses=1]
ret i32 %V
; CHECK: ret i32 0
}
define void @foo(i64 %Size) nounwind noinline #0 {
entry:
%0 = load i32*, i32** @G, align 4
ret void
}
attributes #0 = { null_pointer_is_valid }