llvm-mirror/test/ThinLTO/X86/local_name_conflict.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

44 lines
2.1 KiB
LLVM

; Test handling when two files with the same source file name contain
; static functions/variables with the same name (which will have the same GUID
; in the combined index.
; Do setup work for all below tests: generate bitcode and combined index
; RUN: opt -module-summary -module-hash %s -o %t.bc
; RUN: opt -module-summary -module-hash %p/Inputs/local_name_conflict1.ll -o %t2.bc
; RUN: opt -module-summary -module-hash %p/Inputs/local_name_conflict2.ll -o %t3.bc
; RUN: llvm-lto -thinlto-action=thinlink -o %t4.bc %t.bc %t2.bc %t3.bc
; This module will import b() which should cause the copy of foo and baz from
; that module (%t3.bc) to be imported. Check that the imported reference's
; promoted name matches the imported copy.
; RUN: llvm-lto -thinlto-action=import %t.bc -thinlto-index=%t4.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=IMPORT
; IMPORT: @baz.llvm.[[HASH:[0-9]+]] = available_externally hidden constant i32 10, align 4
; IMPORT: call i32 @foo.llvm.[[HASH]]
; IMPORT: define available_externally hidden i32 @foo.llvm.[[HASH]]()
; The copy in %t2.bc should not be exported/promoted/renamed
; RUN: llvm-lto -thinlto-action=promote %t2.bc -thinlto-index=%t4.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=NOEXPORTSTATIC
; NOEXPORTSTATIC: @baz = internal constant i32 10, align 4
; NOEXPORTSTATIC: define internal i32 @foo()
; Make sure foo is promoted and renamed without complaint in %t3.bc.
; RUN: llvm-lto -thinlto-action=promote %t3.bc -thinlto-index=%t4.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=EXPORTSTATIC
; EXPORTSTATIC: @baz.llvm.{{.*}} = hidden constant i32 10, align 4
; EXPORTSTATIC: define hidden i32 @foo.llvm.
; ModuleID = 'local_name_conflict_main.o'
source_filename = "local_name_conflict_main.c"
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-unknown-linux-gnu"
; Function Attrs: noinline nounwind uwtable
define i32 @main() {
entry:
%retval = alloca i32, align 4
store i32 0, i32* %retval, align 4
%call = call i32 (...) @b()
ret i32 %call
}
declare i32 @b(...)