1 ; RUN: opt < %s -globalopt -S | FileCheck %s
2 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"
4 @G = internal global i32* null ; <i32**> [#uses=4]
8 %malloccall = tail call i8* @malloc(i64 4) ; <i8*> [#uses=1]
9 %P = bitcast i8* %malloccall to i32* ; <i32*> [#uses=1]
10 store i32* %P, i32** @G
11 %GV = load i32*, i32** @G ; <i32*> [#uses=1]
16 declare noalias i8* @malloc(i64)
19 %GV = load i32*, i32** @G ; <i32*> [#uses=1]
20 %V = load i32, i32* %GV ; <i32> [#uses=1]
25 define void @foo(i64 %Size) nounwind noinline #0 {
27 %0 = load i32*, i32** @G, align 4
31 attributes #0 = { "null-pointer-is-valid"="true" }