1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=globalopt -S < %s | FileCheck %s
3
4@g = internal global i32* null, align 8
5
6define signext i32 @f() local_unnamed_addr {
7; CHECK-LABEL: @f(
8; CHECK-NEXT:  entry:
9; CHECK-NEXT:    store i16 -1, i16* bitcast ([4 x i8]* @g.body to i16*), align 2
10; CHECK-NEXT:    ret i32 0
11;
12entry:
13  %call = call i8* @malloc(i64 4)
14  %b = bitcast i8* %call to i32*
15  store i32* %b, i32** @g, align 8
16  %b2 = bitcast i8* %call to i16*
17  store i16 -1, i16* %b2
18  ret i32 0
19}
20
21define signext i32 @main() {
22; CHECK-LABEL: @main(
23; CHECK-NEXT:  entry:
24; CHECK-NEXT:    [[CALL:%.*]] = call signext i32 @f()
25; CHECK-NEXT:    call void @f1()
26; CHECK-NEXT:    store i32 1, i32* bitcast ([4 x i8]* @g.body to i32*), align 4
27; CHECK-NEXT:    call void @f1()
28; CHECK-NEXT:    store i8 2, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @g.body, i32 0, i32 0), align 4
29; CHECK-NEXT:    call void @f1()
30; CHECK-NEXT:    [[RES:%.*]] = load i32, i32* bitcast ([4 x i8]* @g.body to i32*), align 4
31; CHECK-NEXT:    ret i32 [[RES]]
32;
33entry:
34  %call = call signext i32 @f()
35  call void @f1()
36  %v0 = load i32*, i32** @g, align 8
37  store i32 1, i32* %v0, align 4
38  call void @f1()
39  %v1 = load i8*, i8** bitcast (i32** @g to i8**), align 8
40  store i8 2, i8* %v1, align 4
41  call void @f1()
42  %v2 = load i32*, i32** @g, align 8
43  %res = load i32, i32* %v2, align 4
44  ret i32 %res
45}
46
47declare noalias align 16 i8* @malloc(i64) allockind("alloc,uninitialized") allocsize(0)
48declare void @f1()
49