64 lines · plain
1; This test ensures that when linkonce_odr + unnamed_addr symbols & linkonce_odr2; + local_unnamed_addr constants get promoted to weak symbols, we preserves the3; auto hide property when possible.4 5; RUN: opt -module-summary %s -o %t.bc6; RUN: opt -module-summary %p/Inputs/linkonce_odr_unnamed_addr.ll -o %t2.bc7; Check old LTO API8; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc9; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s10; Check new LTO API11; RUN: llvm-lto2 run -save-temps -o %t6.bc %t.bc %t2.bc \12; RUN: -r=%t.bc,linkonceodrunnamedconst,p \13; RUN: -r=%t.bc,linkonceodrunnamed,p \14; RUN: -r=%t.bc,linkonceodrlocalunnamedconst,p \15; RUN: -r=%t.bc,linkonceodrlocalunnamed,p \16; RUN: -r=%t.bc,odrunnamed,p \17; RUN: -r=%t2.bc,linkonceodrunnamedconst \18; RUN: -r=%t2.bc,linkonceodrunnamed \19; RUN: -r=%t2.bc,linkonceodrlocalunnamedconst \20; RUN: -r=%t2.bc,linkonceodrlocalunnamed \21; RUN: -r=%t2.bc,odrunnamed22; RUN: llvm-dis %t6.bc.1.1.promote.bc -o - | FileCheck %s23 24; Now test when one module does not have a summary. In that case we must be25; conservative and not auto hide.26; RUN: opt %p/Inputs/linkonce_odr_unnamed_addr.ll -o %t4.bc27; Check new LTO API (old LTO API does not detect this case).28; RUN: llvm-lto2 run -save-temps -o %t6.bc %t.bc %t4.bc \29; RUN: -r=%t.bc,linkonceodrunnamedconst,p \30; RUN: -r=%t.bc,linkonceodrunnamed,p \31; RUN: -r=%t.bc,linkonceodrlocalunnamedconst,p \32; RUN: -r=%t.bc,linkonceodrlocalunnamed,p \33; RUN: -r=%t.bc,odrunnamed,p \34; RUN: -r=%t4.bc,linkonceodrunnamedconst \35; RUN: -r=%t4.bc,linkonceodrunnamed \36; RUN: -r=%t4.bc,linkonceodrlocalunnamedconst \37; RUN: -r=%t4.bc,linkonceodrlocalunnamed \38; RUN: -r=%t4.bc,odrunnamed39; RUN: llvm-dis %t6.bc.1.1.promote.bc -o - | FileCheck %s --check-prefix=NOSUMMARY40 41target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"42target triple = "x86_64-grtev4-linux-gnu"43 44; In this case all copies are linkonce_odr, so it may be hidden.45; CHECK: @linkonceodrunnamedconst = weak_odr hidden unnamed_addr constant i32 046; CHECK: @linkonceodrunnamed = weak_odr hidden unnamed_addr global i32 047; CHECK: @linkonceodrlocalunnamedconst = weak_odr hidden local_unnamed_addr constant i32 048; NOSUMMARY: @linkonceodrunnamedconst = weak_odr unnamed_addr constant i32 049; NOSUMMARY: @linkonceodrunnamed = weak_odr unnamed_addr global i32 050; NOSUMMARY: @linkonceodrlocalunnamedconst = weak_odr local_unnamed_addr constant i32 051@linkonceodrunnamedconst = linkonce_odr unnamed_addr constant i32 052@linkonceodrunnamed = linkonce_odr unnamed_addr global i32 053@linkonceodrlocalunnamedconst = linkonce_odr local_unnamed_addr constant i32 054 55; In this case, the other copy was weak_odr, so it may not be hidden.56; CHECK: @odrunnamed = weak_odr unnamed_addr constant i32 057; NOSUMMARY: @odrunnamed = weak_odr unnamed_addr constant i32 058@odrunnamed = linkonce_odr unnamed_addr constant i32 059 60; local_unnamed_addr globals cannot be hidden.61; CHECK: @linkonceodrlocalunnamed = weak_odr local_unnamed_addr global i32 062; NOSUMMARY: @linkonceodrlocalunnamed = weak_odr local_unnamed_addr global i32 063@linkonceodrlocalunnamed = linkonce_odr local_unnamed_addr global i32 064