llvm-project/llvm/test/Transforms/GlobalDCE/externally_available.ll

22 lines
688 B
LLVM

; RUN: opt < %s -globaldce -S | FileCheck %s
; test_global should not be emitted to the .s file.
; CHECK-NOT: @test_global =
@test_global = available_externally global i32 4
; test_global2 is a normal global using an available externally function.
; CHECK: @test_global2 =
@test_global2 = global i32 ()* @test_function2
; test_function should not be emitted to the .s file.
; CHECK-NOT: define {{.*}} @test_function()
define available_externally i32 @test_function() {
ret i32 4
}
; test_function2 isn't actually dead even though it's available externally.
; CHECK: define available_externally i32 @test_function2()
define available_externally i32 @test_function2() {
ret i32 4
}