| ;; This test makes sure a static var is not selected as a callee target (it will |
| ;; have a different GUID). Similarly, ensure that a callee GUID annotated from a |
| ;; sample pgo profile that matches a global variable GUID (either due to code |
| ;; changes or a hash collision), does not get considered for importing. Either |
| ;; of these can crash compilation. |
| ; RUN: opt -module-summary %s -o %t.bc |
| ; RUN: opt -module-summary %p/Inputs/funcimport_var2.ll -o %t2.bc |
| ; RUN: llvm-lto -thinlto -thinlto-action=thinlink -o %t3 %t.bc %t2.bc |
| ; RUN: llvm-lto -thinlto -thinlto-action=import -thinlto-index=%t3 %t.bc %t2.bc |
| ; RUN: llvm-lto -thinlto -thinlto-action=run %t.bc %t2.bc -exported-symbol=_Z4LinkPKcS0_ |
| ; RUN: llvm-nm %t.bc.thinlto.o | FileCheck %s --implicit-check-not=globalvar |
| ; RUN: llvm-lto2 run %t.bc %t2.bc -o %t.out \ |
| ; RUN: -r %t.bc,_Z4LinkPKcS0_,plx \ |
| ; RUN: -r %t.bc,link,l \ |
| ; RUN: -r %t2.bc,globalvar,plx \ |
| ; RUN: -r %t2.bc,get_link,plx |
| ; RUN: llvm-nm %t.out.1 | FileCheck %s --implicit-check-not=globalvar |
| ; CHECK: U link |
| |
| ; REQUIRES: x86-registered-target |
| |
| 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" |
| |
| define i32 @_Z4LinkPKcS0_(ptr, ptr) local_unnamed_addr !prof !1 { |
| %3 = tail call i32 @link(ptr %0, ptr %1) #2 |
| ret i32 %3 |
| } |
| |
| ; Function Attrs: nounwind |
| declare i32 @link(ptr, ptr) local_unnamed_addr |
| |
| ;; This matches the GUID of global variable @globalvar in the other input. |
| !1 = !{!"function_entry_count", i64 110, i64 12887606300320728018} |