1 files changed, 26 insertions, 0 deletions
diff --git a/test/ThinLTO/X86/noinline.ll b/test/ThinLTO/X86/noinline.ll
new file mode 100644
index 000000000000..27f59ab90967
--- /dev/null
+++ b/test/ThinLTO/X86/noinline.ll
@@ -0,0 +1,26 @@
+; This test checks that ThinLTO doesn't try to import noinline function
+; which, when takes place, causes promotion of its callee.
+; RUN: opt -module-summary %s -o %t1.bc
+; RUN: opt -module-summary %p/Inputs/noinline.ll -o %t2.bc
+; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t3.o \
+; RUN:   -save-temps       \
+; RUN:   -r=%t1.bc,main,px \
+; RUN:   -r=%t1.bc,foo,    \
+; RUN:   -r=%t2.bc,foo,p
+
+; RUN: llvm-dis %t3.o.1.3.import.bc -o - | FileCheck %s
+
+; CHECK-NOT: define available_externally i32 @foo
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-linux-gnu"
+
+; Function Attrs: nounwind ssp uwtable
+define i32 @main(i32, i8** nocapture readnone) local_unnamed_addr #0 {
+  %3 = tail call i32 @foo(i32 %0) #0
+  ret i32 %3
+}
+
+declare i32 @foo(i32) local_unnamed_addr
+
+attributes #0 = { nounwind }