xref: /llvm-project/llvm/test/Transforms/GlobalOpt/malloc-promote-3.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
2; RUN: opt < %s -passes=globalopt -S | FileCheck %s
3target 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
5@G = internal global ptr null
6
7;.
8; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global ptr null
9;.
10define void @t() {
11; CHECK-LABEL: @t(
12; CHECK-NEXT:    [[MALLOCCALL:%.*]] = tail call ptr @malloc(i64 400) #[[ATTR0:[0-9]+]]
13; CHECK-NEXT:    store ptr [[MALLOCCALL]], ptr @G, align 8
14; CHECK-NEXT:    [[GV:%.*]] = load ptr, ptr @G, align 8
15; CHECK-NEXT:    [[GVE:%.*]] = getelementptr i32, ptr [[GV]], i32 40
16; CHECK-NEXT:    store i32 20, ptr [[GVE]], align 4
17; CHECK-NEXT:    ret void
18;
19  %malloccall = tail call ptr @malloc(i64 mul (i64 100, i64 4)) nobuiltin
20  store ptr %malloccall, ptr @G
21  %GV = load ptr, ptr @G
22  %GVe = getelementptr i32, ptr %GV, i32 40
23  store i32 20, ptr %GVe
24  ret void
25}
26
27declare noalias ptr @malloc(i64)
28;.
29; CHECK: attributes #[[ATTR0]] = { nobuiltin }
30;.
31