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| 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 | f87197ad91857bd26948ada2215627b15889dfb0 (patch) | |
| tree | 1cc3c84b6f060172041809e1353b579232e73d75 /llvm/test/LTO/Resolution | |
| parent | e2133d5b42684dc29dc53dc56ea70d60a1f51fbc (diff) | |
| download | bcm5719-llvm-f87197ad91857bd26948ada2215627b15889dfb0.tar.gz bcm5719-llvm-f87197ad91857bd26948ada2215627b15889dfb0.zip | |
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
llvm-svn: 303939
Diffstat (limited to 'llvm/test/LTO/Resolution')
| -rw-r--r-- | llvm/test/LTO/Resolution/X86/linkonce.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/LTO/Resolution/X86/linkonce.ll b/llvm/test/LTO/Resolution/X86/linkonce.ll new file mode 100644 index 00000000000..33d2df740a4 --- /dev/null +++ b/llvm/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 +} |
