| ; REQUIRES: x86-registered-target |
| |
| ; Test that FunctionAttr Propagation is generating correct summaries |
| |
| ; RUN: split-file %s %t |
| ; RUN: opt -module-summary %t/a.ll -o %t/a.bc |
| ; RUN: opt -module-summary %t/b.ll -o %t/b.bc |
| |
| ; RUN: llvm-lto2 run -disable-thinlto-funcattrs=0 %t/a.bc %t/b.bc -o %t1.o -save-temps \ |
| ; RUN: -r=%t/a.bc,call_extern,plx \ |
| ; RUN: -r=%t/a.bc,extern, \ |
| ; RUN: -r=%t/b.bc,extern,p |
| |
| ; RUN: llvm-dis %t1.o.index.bc -o - | FileCheck %s --check-prefix=CHECK-INDEX |
| ; RUN: llvm-dis %t1.o.1.1.promote.bc -o - | FileCheck %s --check-prefix=CHECK-IR |
| |
| ;; Summary for call_extern. Note that llvm-lto2 writes out the index before propagation occurs so call_extern doesn't have its flags updated. |
| ; CHECK-INDEX: ^2 = gv: (guid: 13959900437860518209, summaries: (function: (module: ^0, flags: (linkage: external, visibility: default, notEligibleToImport: 0, live: 1, dsoLocal: 1, canAutoHide: 0), insts: 2, calls: ((callee: ^3))))) |
| ;; Summary for extern |
| ; CHECK-INDEX: ^3 = gv: (guid: 14959766916849974397, summaries: (function: (module: ^1, flags: (linkage: external, visibility: default, notEligibleToImport: 0, live: 1, dsoLocal: 0, canAutoHide: 0), insts: 1, funcFlags: (readNone: 0, readOnly: 0, noRecurse: 1, returnDoesNotAlias: 0, noInline: 0, alwaysInline: 0, noUnwind: 1, mayThrow: 0, hasUnknownCall: 0)))) |
| |
| ;--- a.ll |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @extern() |
| |
| ; CHECK-IR: Function Attrs: norecurse nounwind |
| ; CHECK-IR-NEXT: define dso_local void @call_extern() |
| define void @call_extern() { |
| call void @extern() |
| ret void |
| } |
| |
| ;--- b.ll |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| attributes #0 = { nounwind norecurse } |
| |
| define void @extern() #0 { |
| ret void |
| } |
