1; Do setup work for all below tests: generate bitcode and combined index 2; RUN: opt -module-summary %s -o %t.bc -bitcode-mdindex-threshold=0 3; RUN: opt -module-summary %p/Inputs/lazyload_metadata.ll -o %t2.bc -bitcode-mdindex-threshold=0 4; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc 5; REQUIRES: asserts 6 7; Check that importing @globalfunc1 does not trigger loading all the global 8; metadata for @globalfunc2 and @globalfunc3 9 10; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t3.bc \ 11; RUN: -o /dev/null -stats \ 12; RUN: 2>&1 | FileCheck %s -check-prefix=LAZY 13; LAZY: 55 bitcode-reader - Number of Metadata records loaded 14; LAZY: 2 bitcode-reader - Number of MDStrings loaded 15 16; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t3.bc \ 17; RUN: -o /dev/null -disable-ondemand-mds-loading -stats \ 18; RUN: 2>&1 | FileCheck %s -check-prefix=NOTLAZY 19; NOTLAZY: 64 bitcode-reader - Number of Metadata records loaded 20; NOTLAZY: 7 bitcode-reader - Number of MDStrings loaded 21 22 23target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 24target triple = "x86_64-apple-macosx10.11.0" 25 26define void @globalfunc1(i32 %arg) { 27 %x = call i1 @llvm.type.test(i8* undef, metadata !"typeid1") 28 %tmp = add i32 %arg, 0, !metadata !2 29 ret void 30} 31 32; We need two functions here that will both reference the same metadata. 33; This is to force the metadata to be emitted in the global metadata block and 34; not in the function specific metadata. 35; These function are not imported and so we don't want to load their metadata. 36 37define void @globalfunc2(i32 %arg) { 38 %x = call i1 @llvm.type.test(i8* undef, metadata !"typeid1") 39 %tmp = add i32 %arg, 0, !metadata !1 40 ret void 41} 42 43define void @globalfunc3(i32 %arg) { 44 %tmp = add i32 %arg, 0, !metadata !1 45 ret void 46} 47 48declare i1 @llvm.type.test(i8* %ptr, metadata %bitset) nounwind readnone 49 50!1 = !{!2, !3, !4, !5, !6, !7, !8, !9} 51!2 = !{!"Hello World"} 52!3 = !{!"3"} 53!4 = !{!"4"} 54!5 = !{!"5"} 55!6 = !{!9} 56!7 = !{!"7"} 57!8 = !{!"8"} 58!9 = !{!6} 59