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
3 target 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"
5 declare noalias ptr @malloc(i64) allockind("alloc,uninitialized") allocsize(0)
7 @G = internal global ptr null
11 ; CHECK-NEXT: ret void
13 %malloccall = tail call ptr @malloc(i64 4)
14 store ptr %malloccall, ptr @G
15 %GV = load ptr, ptr @G
16 %addrspacecast = addrspacecast ptr %GV to ptr addrspace(1)
17 store i32 20, ptr addrspace(1) %addrspacecast
23 ; CHECK-NEXT: ret i32 20
25 %GV = load ptr, ptr @G
26 %V = load i32, ptr %GV
30 define void @foo(i64 %Size) nounwind noinline #0 {
33 ; CHECK-NEXT: ret void
36 %0 = load ptr, ptr @G, align 4
40 attributes #0 = { null_pointer_is_valid }
43 ; CHECK: attributes #[[ATTR0:[0-9]+]] = { noinline nounwind null_pointer_is_valid }