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llvm-mirror/test/ThinLTO/X86/linkonce_odr_unnamed_addr.ll
Amy Huang 062b5d40cb Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

32 lines
1.8 KiB
LLVM

; This test ensures that when linkonce_odr + unnamed_addr symbols promoted to
; weak symbols, it preserves the auto hide property when possible.
; RUN: opt -module-summary %s -o %t.bc
; RUN: opt -module-summary %p/Inputs/linkonce_odr_unnamed_addr.ll -o %t2.bc
; Check old LTO API
; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc
; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s
; Check new LTO API
; RUN: llvm-lto2 run -save-temps -o %t6.bc %t.bc %t2.bc -r=%t.bc,linkonceodrunnamed,p -r=%t.bc,odrunnamed,p -r=%t2.bc,linkonceodrunnamed, -r=%t2.bc,odrunnamed,
; RUN: llvm-dis %t6.bc.1.1.promote.bc -o - | FileCheck %s
; Now test when one module does not have a summary. In that case we must be
; conservative and not auto hide.
; RUN: opt %p/Inputs/linkonce_odr_unnamed_addr.ll -o %t4.bc
; Check new LTO API (old LTO API does not detect this case).
; RUN: llvm-lto2 run -save-temps -o %t6.bc %t.bc %t4.bc -r=%t.bc,linkonceodrunnamed,p -r=%t.bc,odrunnamed,p -r=%t4.bc,linkonceodrunnamed, -r=%t4.bc,odrunnamed,
; RUN: llvm-dis %t6.bc.1.1.promote.bc -o - | FileCheck %s --check-prefix=NOSUMMARY
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-grtev4-linux-gnu"
; In this case all copies are linkonce_odr, so it may be hidden.
; CHECK: @linkonceodrunnamed = weak_odr hidden unnamed_addr constant i32 0
; NOSUMMARY: @linkonceodrunnamed = weak_odr unnamed_addr constant i32 0
@linkonceodrunnamed = linkonce_odr unnamed_addr constant i32 0
; In this case, the other copy was weak_odr, so it may not be hidden.
; CHECK: @odrunnamed = weak_odr unnamed_addr constant i32 0
; NOSUMMARY: @odrunnamed = weak_odr unnamed_addr constant i32 0
@odrunnamed = linkonce_odr unnamed_addr constant i32 0