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; RUN: opt < %s -nacl-global-cleanup -S | FileCheck %s
; RUN: opt < %s -nacl-global-cleanup -S | FileCheck -check-prefix=GV %s
@llvm.compiler.used = appending global [0 x i8*] zeroinitializer, section "llvm.metadata"
@llvm.used = appending global [0 x i8*] zeroinitializer, section "llvm.metadata"
; GV-NOT: llvm.used
; GV-NOT: llvm.compiler.used
@extern_weak_const = extern_weak constant i32
@extern_weak_gv = extern_weak global i32
; GV-NOT: @extern_weak_const
; GV-NOT: @extern_weak_gv
; CHECK: @weak_gv = internal global
@weak_gv = weak global i32 0
; CHECK: define void @_start
define void @_start() {
ret void
}
define i32* @ewgv() {
; CHECK: %bc = getelementptr i8* null, i32 0
%bc = getelementptr i8* bitcast (i32* @extern_weak_gv to i8*), i32 0
; CHECK: ret i32* null
ret i32* @extern_weak_gv
}
define i32* @ewc() {
; CHECK: %bc = getelementptr i8* null, i32 0
%bc = getelementptr i8* bitcast (i32* @extern_weak_const to i8*), i32 0
; CHECK: ret i32* null
ret i32* @extern_weak_gv
}
; Make sure @weak_gv is actually used.
define i32* @wgv() {
; CHECK: ret i32* @weak_gv
ret i32* @weak_gv
}
; GV-NOT: @extern_weak_func
declare extern_weak i32 @extern_weak_func()
; CHECK: @ewf
define i32 @ewf() {
; CHECK: %ret = call i32 null()
%ret = call i32 @extern_weak_func()
ret i32 %ret
}
; CHECK: define internal void @weak_func
define weak void @weak_func() {
ret void
}
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