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1; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t %s2; RUN: llvm-modextract -n 0 -o - %t | llvm-dis | FileCheck --check-prefix=THIN %s3; RUN: llvm-modextract -n 1 -o - %t | llvm-dis | FileCheck --check-prefix=MERGED %s4 5target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"6target triple = "x86_64-pc-windows-msvc19.0.24215"7 8; Internal comdat leader with type metadata. All comdat members need to live9; in the merged module, and the comdat needs to be renamed.10; MERGED: ${{"?lwt[^ ]+}} = comdat any11$lwt = comdat any12 13; External comdat leader, type metadata on non-leader. All comdat14; members need to live in the merged module, internal members need to15; be renamed.16; MERGED: $nlwt = comdat any17$nlwt = comdat any18 19; Comdat with two members without type metadata. All comdat members live in20; the ThinLTO module and no renaming needs to take place.21; THIN: $nt = comdat any22$nt = comdat any23 24; MERGED: @lwt_aliasee = private unnamed_addr global25; MERGED-SAME: comdat(${{"?lwt[^ ]+}})26@lwt_aliasee = private unnamed_addr global [1 x ptr] [ptr null], comdat($lwt), !type !027 28; MERGED: {{@"?lwt_nl[^ ]+}} = hidden unnamed_addr global29; MERGED-SAME: comdat(${{"?lwt[^ ]+}})30; THIN: {{@"?lwt_nl[^ ]+}} = external hidden31@lwt_nl = internal unnamed_addr global i32 0, comdat($lwt)32 33; MERGED: @nlwt_aliasee = private unnamed_addr global34; MERGED-SAME: comdat($nlwt)35@nlwt_aliasee = private unnamed_addr global [1 x ptr] [ptr null], comdat($nlwt), !type !036 37; MERGED: @nlwt = unnamed_addr global38; MERGED-SAME: comdat39; THIN: @nlwt = external40@nlwt = unnamed_addr global i32 0, comdat41 42; THIN: @nt = internal43; THIN-SAME: comdat44@nt = internal unnamed_addr global [1 x ptr] [ptr null], comdat45 46; THIN: @nt_nl = internal47; THIN-SAME: comdat($nt)48@nt_nl = internal unnamed_addr global i32 0, comdat($nt)49 50; MERGED: {{@"?lwt[^ ]+}} = hidden unnamed_addr alias51; THIN: {{@"?lwt[^ ]+}} = external hidden52@lwt = internal unnamed_addr alias [1 x ptr], ptr @lwt_aliasee53 54; MERGED: {{@"?nlwt_nl[^ ]+}} = hidden unnamed_addr alias55; THIN: {{@"?nlwt_nl[^ ]+}} = external hidden56@nlwt_nl = internal unnamed_addr alias [1 x ptr], ptr @nlwt_aliasee57 58; The functions below exist just to make sure the globals are used.59define ptr @lwt_fun() {60 %1 = load i32, ptr @lwt_nl61 %2 = getelementptr inbounds [1 x ptr], ptr @lwt, i32 0, i32 %162 %3 = load ptr, ptr %263 ret ptr %364}65 66define ptr @nlwt_fun() {67 %1 = load i32, ptr @nlwt68 %2 = getelementptr inbounds [1 x ptr], ptr @nlwt_nl, i32 0, i32 %169 %3 = load ptr, ptr %270 ret ptr %371}72 73define ptr @nt_fun() {74 %1 = load i32, ptr @nt_nl75 %2 = getelementptr inbounds [1 x ptr], ptr @nt, i32 0, i32 %176 %3 = load ptr, ptr %277 ret ptr %378}79 80!0 = !{i64 8, !"?AVA@@"}81