xref: /llvm-project/llvm/test/Transforms/GlobalOpt/new-promote.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6) 
1; RUN: opt -passes=globalopt -S < %s | FileCheck %s
2
3%s = type { i32 }
4@g = internal global ptr null, align 8
5
6; Test code pattern for:
7;   class s { int a; s() { a = 1;} };
8;   g = new s();
9;
10
11define internal void @f() {
12; CHECK-LABEL: @f(
13; CHECK-NEXT:    ret void
14;
15  %1 = tail call ptr @_Znwm(i64 4)
16  store i32 1, ptr %1, align 4
17  store ptr %1, ptr @g, align 8
18  ret void
19}
20
21define dso_local signext i32 @main() {
22; CHECK-LABEL: @main(
23; CHECK-NEXT:  entry:
24; CHECK-NEXT:    call fastcc void @f()
25; CHECK-NEXT:    ret i32 1
26;
27entry:
28  call void @f()
29  %0 = load ptr, ptr @g, align 4
30  %1 = load i32, ptr %0, align 4
31  ret i32 %1
32}
33
34declare nonnull ptr @_Znwm(i64)
35
36declare signext i32 @printf(ptr, ...)
37
38