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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt < %s -passes=globalopt -S | FileCheck %s
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"
@G = internal global i32* null
define void @init() {
; CHECK-LABEL: @init(
; CHECK-NEXT: ret void
;
%malloccall = tail call i8* @malloc(i64 4)
%P = bitcast i8* %malloccall to i32*
store i32* %P, i32** @G
%GV = load i32*, i32** @G
store i32 0, i32* %GV
ret void
}
declare noalias i8* @malloc(i64) allockind("alloc,uninitialized") allocsize(0)
define i32 @get() {
; CHECK-LABEL: @get(
; CHECK-NEXT: ret i32 0
;
%GV = load i32*, i32** @G
%V = load i32, i32* %GV
ret i32 %V
}
define void @foo(i64 %Size) nounwind noinline #0 {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret void
;
entry:
%0 = load i32*, i32** @G, align 4
ret void
}
attributes #0 = { null_pointer_is_valid }
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { noinline nounwind null_pointer_is_valid }
;.
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