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; RUN: opt -S -globalopt -o - < %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@_ZL3g_i = internal global i32* null, align 8
@.str = private unnamed_addr constant [2 x i8] c"0\00", align 1
@.str.1 = private unnamed_addr constant [2 x i8] c"1\00", align 1
define dso_local i32 @main() {
store i32* null, i32** @_ZL3g_i, align 8
call void @_ZL13PutsSomethingv()
ret i32 0
}
; CHECK-LABEL: define {{.*}} @_ZL13PutsSomethingv()
; CHECK: [[gvLoad:%.*]] = load i32*, i32** @_ZL3g_i
; CHECK-NEXT: icmp eq i32* [[gvLoad]], null
define internal void @_ZL13PutsSomethingv() {
%1 = load i32*, i32** @_ZL3g_i, align 8
%2 = icmp eq i32* %1, null
br i1 %2, label %3, label %7
3: ; preds = %0
%4 = call noalias i8* @malloc(i64 4) #3
%5 = bitcast i8* %4 to i32*
store i32* %5, i32** @_ZL3g_i, align 8
%6 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %9
7: ; preds = %0
%8 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
br label %9
9: ; preds = %7, %3
ret void
}
declare dso_local noalias i8* @malloc(i64)
declare dso_local i32 @puts(i8* nocapture readonly)
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