llvm-project/llvm/test/Transforms/MergeFunc/unnamed-addr-reprocessing.ll

50 lines
993 B
LLVM

; RUN: opt -S -mergefunc < %s | FileCheck %s
; After the merge of test5 and test6, we can merge test3 and test4,
; then test1 and test2.
; CHECK: define void @test6() unnamed_addr
; CHECK-NEXT: tail call void @test5()
; CHECK: define void @test4() unnamed_addr
; CHECK-NEXT: tail call void @test3()
; CHECK: define void @test2() unnamed_addr
; CHECK-NEXT: tail call void @test1()
declare void @dummy()
define void @test1() unnamed_addr {
call void @test3()
call void @test3()
ret void
}
define void @test2() unnamed_addr {
call void @test4()
call void @test4()
ret void
}
define void @test3() unnamed_addr {
call void @test5()
call void @test5()
ret void
}
define void @test4() unnamed_addr {
call void @test6()
call void @test6()
ret void
}
define void @test5() unnamed_addr {
call void @dummy()
call void @dummy()
ret void
}
define void @test6() unnamed_addr {
call void @dummy()
call void @dummy()
ret void
}