1 ; RUN: opt -S -globalopt -o - < %s | FileCheck %s
3 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-unknown-linux-gnu"
6 ; CHECK: [[_ZL3G_I_INIT:@.*]] = internal unnamed_addr global i1 false
7 @_ZL3g_i = internal global i32* null, align 8
8 @.str = private unnamed_addr constant [2 x i8] c"0\00", align 1
9 @.str.1 = private unnamed_addr constant [2 x i8] c"1\00", align 1
11 ; CHECK-LABEL: define {{.*}} @main(
12 ; CHECK-NEXT: store i1 false, i1* [[_ZL3G_I_INIT]], align 1
13 define dso_local i32 @main() {
14 store i32* null, i32** @_ZL3g_i, align 8
15 call void @_ZL13PutsSomethingv()
19 ; CHECK-LABEL: define {{.*}} @_ZL13PutsSomethingv()
20 ; CHECK-NEXT: [[_ZL3G_I_INIT_VAL:%.*]] = load i1, i1* [[_ZL3G_I_INIT]], align 1
21 ; CHECK-NEXT: [[NOTINIT:%.*]] = xor i1 [[_ZL3G_I_INIT_VAL]], true
22 ; CHECK-NEXT: br i1 [[NOTINIT]], label %[[TMP1:.*]], label %[[TMP3:.*]]
24 ; CHECK-NEXT: store i1 true, i1* [[_ZL3G_I_INIT]], align 1
25 define internal void @_ZL13PutsSomethingv() {
26 %1 = load i32*, i32** @_ZL3g_i, align 8
27 %2 = icmp eq i32* %1, null
28 br i1 %2, label %3, label %7
31 %4 = call noalias i8* @malloc(i64 4) #3
32 %5 = bitcast i8* %4 to i32*
33 store i32* %5, i32** @_ZL3g_i, align 8
34 %6 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
38 %8 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
45 declare dso_local noalias i8* @malloc(i64)
47 declare dso_local i32 @puts(i8* nocapture readonly)