Merge "Update aosp/master LLVM for rebase to r230699."

1 files changed, 42 insertions, 0 deletions

diff --git a/test/LTO/X86/cfi_endproc.ll b/test/LTO/X86/cfi_endproc.ll
new file mode 100644
index 0000000..1a69bf6
--- /dev/null
+++ b/test/LTO/X86/cfi_endproc.ll
@@ -0,0 +1,42 @@
+; RUN: llvm-as < %s >%t1
+; RUN: llvm-lto -o %t2 %t1
+; RUN: llvm-nm %t2 | FileCheck %s -check-prefix=NOEXPORT
+; RUN: llvm-lto -o %t3 -exported-symbol=main %t1
+; RUN: llvm-nm %t3 | FileCheck %s -check-prefix=EXPORT
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+module asm ".text"
+module asm ".align 16, 0x90"
+module asm ".type PR14512, @function"
+module asm "PR14512:.cfi_startproc"
+module asm "ret"
+module asm ".cfi_endproc"
+
+declare void @PR14512()
+
+; Without -exported-symbol, main should be eliminated by LTO.
+; With -exported-symbol=main, main should be preserved by LTO.
+define i32 @main(i32 %argc, i8** %argv) {
+; NOEXPORT-NOT: main
+; EXPORT: main
+  call void @PR14512()
+  ret i32 0
+}
+
+; RUN: llvm-lto -o %t -dso-symbol=zed1 -dso-symbol=zed2 %t1 -disable-opt
+; RUN: llvm-nm %t | FileCheck %s -check-prefix=ZED1_AND_ZED2
+; ZED1_AND_ZED2: V zed1
+@zed1 = linkonce_odr global i32 42
+define i32* @get_zed1() {
+  ret i32* @zed1
+}
+
+; ZED1_AND_ZED2: d zed2
+@zed2 = linkonce_odr unnamed_addr global i32 42
+
+define i32 @useZed2() {
+  %x = load i32* @zed2
+  ret i32 %x
+}