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TheRock/compiler/amd-llvm/llvm/test/Transforms/EliminateAvailableExternally/transform-to-local.ll
T
derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

53 lines
2.1 KiB
LLVM

; REQUIRES: asserts
; RUN: rm -rf %t
; RUN: mkdir %t
; RUN: cp %s %t/1234.ll
;
; default behavior
; RUN: opt -passes=elim-avail-extern -stats -S 2>&1 %s | FileCheck %s --check-prefix=NOOP
;
; check the -avail-extern-to-local flag works as intended
; RUN: opt -passes=elim-avail-extern -avail-extern-to-local -stats -S 2>&1 %t/1234.ll | FileCheck %s
; RUN: opt -passes=elim-avail-extern -avail-extern-to-local -stats -S 2>&1 %s | FileCheck %s
;
; RUN: echo '{"Contexts": [{"Guid":1234, "TotalRootEntryCount": 5, "Counters": [1]}]}' | llvm-ctxprof-util fromYAML --input=- --output=%t_profile.ctxprofdata
;
; Because we pass a contextual profile with a root defined in this module, we expect the outcome to be the same as-if
; we passed -avail-extern-to-local, i.e. available_externally don't get elided and instead get converted to local linkage
;
; RUN: opt -passes='assign-guid,require<ctx-prof-analysis>,elim-avail-extern' -use-ctx-profile=%t_profile.ctxprofdata -stats -S 2>&1 %t/1234.ll | FileCheck %s
; If the profile doesn't apply to this module, available_externally won't get converted to internal linkage, and will be
; removed instead.
; RUN: echo '{"Contexts": [{"Guid":5678, "TotalRootEntryCount": 3, "Counters": [1]}]}' | llvm-ctxprof-util fromYAML --input=- --output=%t_profile_bad.ctxprofdata
; RUN: opt -passes='assign-guid,require<ctx-prof-analysis>,elim-avail-extern' -use-ctx-profile=%t_profile_bad.ctxprofdata -stats -S %s 2>&1 | FileCheck %s --check-prefix=NOOP
declare void @call_out(ptr %fct)
define available_externally hidden void @f() {
ret void
}
define available_externally hidden void @g() {
ret void
}
define void @hello(ptr %g) !guid !0 {
call void @f()
%f = load ptr, ptr @f
call void @call_out(ptr %f)
ret void
}
!0 = !{i64 1234}
; CHECK: define internal void @f.__uniq.{{[0-9|a-f]*}}()
; CHECK: declare hidden void @g()
; CHECK: call void @f.__uniq.{{[0-9|a-f]*}}()
; CHECK-NEXT: load ptr, ptr @f
; CHECK-NEXT: call void @call_out(ptr %f)
; CHECK: Statistics Collected
; CHECK: 1 elim-avail-extern - Number of functions converted
; CHECK: 1 elim-avail-extern - Number of functions removed
; NOOP: 2 elim-avail-extern - Number of functions removed