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

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; RUN: opt < %s -inline -constprop -S | FileCheck %s
define available_externally i32 @test_function() {
; CHECK-NOT: @test_function
entry:
ret i32 4
}
define i32 @result() {
; CHECK-LABEL: define i32 @result()
entry:
%A = call i32 @test_function()
; CHECK-NOT: call
; CHECK-NOT: @test_function
%B = add i32 %A, 1
ret i32 %B
; CHECK: ret i32 5
}
; CHECK-NOT: @test_function