| Bob Haarman | 4075ccc | 2017-04-12 01:43:07 +0000 | [diff] [blame^] | 1 | ; RUN: opt -thinlto-bc -o %t %s |
| 2 | ; RUN: llvm-modextract -n 0 -o - %t | llvm-dis | FileCheck --check-prefix=THIN %s |
| 3 | ; RUN: llvm-modextract -n 1 -o - %t | llvm-dis | FileCheck --check-prefix=MERGED %s |
| 4 | |
| 5 | target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| 6 | target triple = "x86_64-pc-windows-msvc19.0.24215" |
| 7 | |
| 8 | ; Internal comdat leader with type metadata. All comdat members need to live |
| 9 | ; in the merged module, and the comdat needs to be renamed. |
| 10 | ; MERGED: ${{"?lwt[^ ]+}} = comdat any |
| 11 | $lwt = comdat any |
| 12 | |
| 13 | ; External comdat leader, type metadata on non-leader. All comdat |
| 14 | ; members need to live in the merged module, internal members need to |
| 15 | ; be renamed. |
| 16 | ; MERGED: $nlwt = comdat any |
| 17 | $nlwt = comdat any |
| 18 | |
| 19 | ; Comdat with two members without type metadata. All comdat members live in |
| 20 | ; the ThinLTO module and no renaming needs to take place. |
| 21 | ; THIN: $nt = comdat any |
| 22 | $nt = comdat any |
| 23 | |
| 24 | ; MERGED: @lwt_aliasee = private unnamed_addr global |
| 25 | ; MERGED-SAME: comdat(${{"?lwt[^ ]+}}) |
| 26 | @lwt_aliasee = private unnamed_addr global [1 x i8*] [i8* null], comdat($lwt), !type !0 |
| 27 | |
| 28 | ; MERGED: {{@"?lwt_nl[^ ]+}} = hidden unnamed_addr global |
| 29 | ; MERGED-SAME: comdat(${{"?lwt[^ ]+}}) |
| 30 | ; THIN: {{@"?lwt_nl[^ ]+}} = external hidden |
| 31 | @lwt_nl = internal unnamed_addr global i32 0, comdat($lwt) |
| 32 | |
| 33 | ; MERGED: @nlwt_aliasee = private unnamed_addr global |
| 34 | ; MERGED-SAME: comdat($nlwt) |
| 35 | @nlwt_aliasee = private unnamed_addr global [1 x i8*] [i8* null], comdat($nlwt), !type !0 |
| 36 | |
| 37 | ; MERGED: @nlwt = unnamed_addr global |
| 38 | ; MERGED-SAME: comdat |
| 39 | ; THIN: @nlwt = external |
| 40 | @nlwt = unnamed_addr global i32 0, comdat |
| 41 | |
| 42 | ; THIN: @nt = internal |
| 43 | ; THIN-SAME: comdat |
| 44 | @nt = internal unnamed_addr global [1 x i8*] [i8* null], comdat |
| 45 | |
| 46 | ; THIN: @nt_nl = internal |
| 47 | ; THIN-SAME: comdat($nt) |
| 48 | @nt_nl = internal unnamed_addr global i32 0, comdat($nt) |
| 49 | |
| 50 | ; MERGED: {{@"?lwt[^ ]+}} = hidden unnamed_addr alias |
| 51 | ; THIN: {{@"?lwt[^ ]+}} = external hidden |
| 52 | @lwt = internal unnamed_addr alias [1 x i8*], [1 x i8*]* @lwt_aliasee |
| 53 | |
| 54 | ; MERGED: {{@"?nlwt_nl[^ ]+}} = hidden unnamed_addr alias |
| 55 | ; THIN: {{@"?nlwt_nl[^ ]+}} = external hidden |
| 56 | @nlwt_nl = internal unnamed_addr alias [1 x i8*], [1 x i8*]* @nlwt_aliasee |
| 57 | |
| 58 | ; The functions below exist just to make sure the globals are used. |
| 59 | define i8* @lwt_fun() { |
| 60 | %1 = load i32, i32* @lwt_nl |
| 61 | %2 = getelementptr inbounds [1 x i8*], [1 x i8*]* @lwt, i32 0, i32 %1 |
| 62 | %3 = load i8*, i8** %2 |
| 63 | ret i8* %3 |
| 64 | } |
| 65 | |
| 66 | define i8* @nlwt_fun() { |
| 67 | %1 = load i32, i32* @nlwt |
| 68 | %2 = getelementptr inbounds [1 x i8*], [1 x i8*]* @nlwt_nl, i32 0, i32 %1 |
| 69 | %3 = load i8*, i8** %2 |
| 70 | ret i8* %3 |
| 71 | } |
| 72 | |
| 73 | define i8* @nt_fun() { |
| 74 | %1 = load i32, i32* @nt_nl |
| 75 | %2 = getelementptr inbounds [1 x i8*], [1 x i8*]* @nt, i32 0, i32 %1 |
| 76 | %3 = load i8*, i8** %2 |
| 77 | ret i8* %3 |
| 78 | } |
| 79 | |
| 80 | !0 = !{i64 8, !"?AVA@@"} |