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llvm-mirror/test/Transforms/FunctionImport/comdat.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

33 lines
1.2 KiB
LLVM

; Test to ensure that comdat is renamed consistently when comdat leader is
; promoted and renamed due to an import. Required by COFF.
; REQUIRES: x86-registered-target
; RUN: opt -thinlto-bc -o %t1.bc %s
; RUN: opt -thinlto-bc -o %t2.bc %S/Inputs/comdat.ll
; RUN: llvm-lto2 run -save-temps -o %t3 %t1.bc %t2.bc \
; RUN: -r %t1.bc,lwt_fun,plx \
; RUN: -r %t2.bc,main,plx \
; RUN: -r %t2.bc,lwt_fun,
; RUN: llvm-dis -o - %t3.1.3.import.bc | FileCheck %s
target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.0.24215"
; CHECK: $lwt.llvm.[[HASH:[0-9]+]] = comdat any
$lwt = comdat any
; CHECK: @lwt_aliasee = private unnamed_addr global {{.*}}, comdat($lwt.llvm.[[HASH]])
@lwt_aliasee = private unnamed_addr global [1 x i8*] [i8* null], comdat($lwt)
; CHECK: @lwt.llvm.[[HASH]] = hidden unnamed_addr alias
@lwt = internal unnamed_addr alias [1 x i8*], [1 x i8*]* @lwt_aliasee
; Below function should get imported into other module, resulting in @lwt being
; promoted and renamed.
define i8* @lwt_fun() {
%1 = getelementptr inbounds [1 x i8*], [1 x i8*]* @lwt, i32 0, i32 0
%2 = load i8*, i8** %1
ret i8* %2
}