diff options
| author | Peter Collingbourne <peter@pcc.me.uk> | 2017-05-25 23:40:11 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2017-05-25 23:40:11 +0000 |
| commit | c58f672ed11708770252f6e7fe7cc2289218c069 (patch) | |
| tree | dfc47858c596599dce12c7bfcb377da543235901 /test/LTO | |
| parent | dcf3dde852d120809621ce4ca33f4225f53c78dc (diff) | |
LTO: Do summary-based prevailing symbol resolution at --lto-O0.
Prevailing symbol resolution is necessary for correctness. Without
this we can end up dropping a referenced linkonce symbol from the link.
Differential Revision: https://reviews.llvm.org/D33570
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303939 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/LTO')
| -rw-r--r-- | test/LTO/Resolution/X86/linkonce.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/LTO/Resolution/X86/linkonce.ll b/test/LTO/Resolution/X86/linkonce.ll new file mode 100644 index 00000000000..33d2df740a4 --- /dev/null +++ b/test/LTO/Resolution/X86/linkonce.ll @@ -0,0 +1,11 @@ +; RUN: opt -module-summary -o %t %s +; RUN: llvm-lto2 run %t -O0 -r %t,foo,px -o %t2 +; RUN: llvm-nm %t2.0 | FileCheck %s + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +; CHECK: W foo +define linkonce_odr void @foo() { + ret void +} |