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