blob: e75df2343c4d563bd820d93f057127900ac4eec0 [file] [log] [blame]
; RUN: opt -passes=globalopt -S < %s | FileCheck %s
%sometype = type { i8* }
@map = internal unnamed_addr global %sometype* null, align 8
define void @Init() {
; CHECK-LABEL: @Init(
; CHECK-NEXT: entry:
; CHECK-NEXT: store i1 true, i1* @map.init, align 1
; CHECK-NEXT: ret void
;
entry:
%call = tail call noalias nonnull dereferenceable(48) i8* @_Znwm(i64 48)
store i8* %call, i8** bitcast (%sometype** @map to i8**), align 8
ret void
}
define void @Usage() {
; CHECK-LABEL: @Usage(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[MAP_INIT_VAL:%.*]] = load i1, i1* @map.init, align 1
; CHECK-NEXT: [[NOTINIT:%.*]] = xor i1 [[MAP_INIT_VAL]], true
; CHECK-NEXT: unreachable
;
entry:
%0 = load i8*, i8** bitcast (%sometype** @map to i8**), align 8
%.not = icmp eq i8* %0, null
unreachable
}
declare i8* @_Znwm(i64)