1; REQUIRES: x86 2 3;; Mostly copied/updated from thinlto-index-only.ll 4;; First ensure that the ThinLTO handling in lld handles 5;; bitcode without summary sections gracefully and generates index file. 6; RUN: rm -rf %t.dir && mkdir %t.dir && cd %t.dir 7; RUN: llvm-as %s -o 1.o 8; RUN: llvm-as %p/Inputs/thinlto.ll -o 2.o 9; RUN: ld.lld --thinlto-emit-index-files -shared 1.o 2.o -o 3 10; RUN: ls 2.o.thinlto.bc 11; RUN: ls 3 12; RUN: ld.lld -shared 1.o 2.o -o 3 13; RUN: llvm-nm 3 | FileCheck %s --check-prefix=NM 14 15;; Basic ThinLTO tests. 16; RUN: opt -module-summary %s -o 1.o 17; RUN: opt -module-summary %p/Inputs/thinlto.ll -o 2.o 18; RUN: opt -module-summary %p/Inputs/thinlto_empty.ll -o 3.o 19 20;; Ensure lld generates an index and also a binary if requested. 21; RUN: ld.lld --thinlto-emit-index-files -shared 1.o 2.o -o 4 22; RUN: llvm-bcanalyzer -dump 1.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND1 23; RUN: llvm-bcanalyzer -dump 2.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND2 24; RUN: ls 4 25 26;; Ensure lld generates an index and not a binary if both emit-index and index-only are present. 27; RUN: ld.lld --thinlto-emit-index-files --thinlto-index-only -shared 1.o 2.o -o 5 28; RUN: not ls 5 29 30;; Ensure lld generates an index even if the file is wrapped in --start-lib/--end-lib 31; RUN: rm -f 2.o.thinlto.bc 32; RUN: ld.lld --thinlto-emit-index-files -shared 1.o 3.o --start-lib 2.o --end-lib -o 6 33; RUN: llvm-dis < 2.o.thinlto.bc | grep -q '\^0 = module:' 34; RUN: ls 6 35 36;; Test that LLD generates an empty index even for lazy object file that is not added to link. 37;; Test that LLD also generates empty imports file with the --thinlto-emit-imports-files option. 38; RUN: rm -f 1.o.thinlto.bc 1.o.imports 39; RUN: ld.lld --thinlto-emit-index-files -shared 2.o --start-lib 1.o --end-lib \ 40; RUN: --thinlto-emit-imports-files -o 7 41; RUN: ls 7 42; RUN: ls 1.o.thinlto.bc 43; RUN: ls 1.o.imports 44 45;; Ensure LLD generates an empty index for each bitcode file even if all bitcode files are lazy. 46; RUN: rm -f 1.o.thinlto.bc 47; RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux-gnu /dev/null -o dummy.o 48; RUN: ld.lld --thinlto-emit-index-files -shared dummy.o --start-lib 1.o --end-lib -o 8 49; RUN: ls 8 50; RUN: ls 1.o.thinlto.bc 51 52;; Test that LLD errors out when run with suffix replacement, or prefix replacement 53; RUN: not ld.lld --thinlto-emit-index-files -shared 2.o --start-lib 1.o --end-lib \ 54; RUN: --thinlto-prefix-replace="abc;xyz" 2>&1 | FileCheck %s --check-prefix=ERR1 55; ERR1: --thinlto-prefix-replace is not supported with --thinlto-emit-index-files 56 57; RUN: not ld.lld --thinlto-emit-index-files -shared 2.o --start-lib 1.o --end-lib \ 58; RUN: --thinlto-object-suffix-replace="abc;xyz" 2>&1 | FileCheck %s --check-prefix=ERR2 59; ERR2: --thinlto-object-suffix-replace is not supported with --thinlto-emit-index-files 60 61;; But not when passed with index only as well 62; RUN: ld.lld --thinlto-emit-index-files -shared 2.o --start-lib 1.o --end-lib \ 63; RUN: --thinlto-prefix-replace="abc;xyz" --thinlto-index-only 64 65; RUN: ld.lld --thinlto-emit-index-files -shared 2.o --start-lib 1.o --end-lib \ 66; RUN: --thinlto-object-suffix-replace="abc;xyz" --thinlto-index-only 67 68; NM: T f 69 70;; The backend index for this module contains summaries from itself and 71;; Inputs/thinlto.ll, as it imports from the latter. 72; BACKEND1: <MODULE_STRTAB_BLOCK 73; BACKEND1-NEXT: <ENTRY {{.*}} record string = '1.o' 74; BACKEND1-NEXT: <ENTRY {{.*}} record string = '2.o' 75; BACKEND1-NEXT: </MODULE_STRTAB_BLOCK 76; BACKEND1: <GLOBALVAL_SUMMARY_BLOCK 77; BACKEND1: <VERSION 78; BACKEND1: <FLAGS 79; BACKEND1: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}} 80; BACKEND1: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}} 81; BACKEND1: <COMBINED 82; BACKEND1: <COMBINED 83; BACKEND1: </GLOBALVAL_SUMMARY_BLOCK 84 85;; The backend index for Input/thinlto.ll contains summaries from itself only, 86;; as it does not import anything. 87; BACKEND2: <MODULE_STRTAB_BLOCK 88; BACKEND2-NEXT: <ENTRY {{.*}} record string = '2.o' 89; BACKEND2-NEXT: </MODULE_STRTAB_BLOCK 90; BACKEND2-NEXT: <GLOBALVAL_SUMMARY_BLOCK 91; BACKEND2-NEXT: <VERSION 92; BACKEND2-NEXT: <FLAGS 93; BACKEND2-NEXT: <VALUE_GUID op0=1 op1=-5300342847281564238 94; BACKEND2-NEXT: <COMBINED 95; BACKEND2-NEXT: <BLOCK_COUNT op0=2/> 96; BACKEND2-NEXT: </GLOBALVAL_SUMMARY_BLOCK 97 98target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 99target triple = "x86_64-unknown-linux-gnu" 100 101declare void @g(...) 102 103define void @f() { 104entry: 105 call void (...) @g() 106 ret void 107} 108