[PATCH] D148950: [LTO] Add test coverage for previous dllimport fix

[Matthew Voss via Phabricator via llvm-commits]

ormris created this revision.
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Internal testing showed that the change made in commit 62fcfc5a needed more test coverage. Specifically, the imported function shouldn't be externally visible and the whole test needed to be run in regular LTO mode.


https://reviews.llvm.org/D148950

Files:
  llvm/test/LTO/Resolution/X86/protected-def-dllimport.ll


Index: llvm/test/LTO/Resolution/X86/protected-def-dllimport.ll
===================================================================
--- /dev/null
+++ llvm/test/LTO/Resolution/X86/protected-def-dllimport.ll
@@ -0,0 +1,31 @@
+; RUN: llvm-as --disable-verify -o %t0.bc %s
+
+; RUN: llvm-lto2 run -r %t0.bc,__imp_f,l \
+; RUN:               -r %t0.bc,g,p \
+; RUN:               -r %t0.bc,main,x \
+; RUN:               -save-temps -o %t1 %t0.bc
+; RUN: llvm-dis %t1.0.0.preopt.bc -o - | FileCheck %s
+source_filename = "test.cpp"
+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"
+
+ at llvm.used = appending global [2 x ptr] [ ptr @main, ptr @f ], section "llvm.metadata"
+
+$g = comdat any
+ at g = global i8 42, comdat, !type !0
+
+; CHECK: declare protected ptr @f()
+define protected dllimport i8* @f() {
+  ret i8* @g
+}
+
+define available_externally i32 @main() {
+  %1 = call i8* @f()
+  %2 = ptrtoint i8* %1 to i32
+  ret i32 %2
+}
+
+!llvm.module.flags = !{!1}
+
+!0 = !{i32 0, !"typeid"}
+!1 = !{i32 1, !"ThinLTO", i32 0}


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