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| author | Dmitry Polukhin <dmitry.polukhin@gmail.com> | 2016-04-07 12:32:19 +0000 |
|---|---|---|
| committer | Dmitry Polukhin <dmitry.polukhin@gmail.com> | 2016-04-07 12:32:19 +0000 |
| commit | ba4922356c3bd2687e904fe0673b1288468ba882 (patch) | |
| tree | dce1731cfd553d2f24fae7fc72b9d9997020071d /test/Bitcode/compatibility.ll | |
| parent | 719a4bd1ab87af9c5adc67d62aa63efef3c98264 (diff) | |
[GCC] Attribute ifunc support in llvm
This patch add support for GCC attribute((ifunc("resolver"))) for
targets that use ELF as object file format. In general ifunc is a
special kind of function alias with type @gnu_indirect_function. Patch
for Clang http://reviews.llvm.org/D15524
Differential Revision: http://reviews.llvm.org/D15525
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265667 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Bitcode/compatibility.ll')
| -rw-r--r-- | test/Bitcode/compatibility.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Bitcode/compatibility.ll b/test/Bitcode/compatibility.ll index ae12a24ede4..d1f249114d5 100644 --- a/test/Bitcode/compatibility.ll +++ b/test/Bitcode/compatibility.ll @@ -249,6 +249,31 @@ declare void @g.f1() @a.unnamed_addr = unnamed_addr alias i32, i32* @g.unnamed_addr ; CHECK: @a.unnamed_addr = unnamed_addr alias i32, i32* @g.unnamed_addr +;; IFunc +; Format @<Name> = [Linkage] [Visibility] ifunc <IFuncTy>, +; <ResolverTy>* @<Resolver> + +; IFunc -- Linkage +@ifunc.external = external ifunc void (), i8* ()* @ifunc_resolver +; CHECK: @ifunc.external = ifunc void (), i8* ()* @ifunc_resolver +@ifunc.private = private ifunc void (), i8* ()* @ifunc_resolver +; CHECK: @ifunc.private = private ifunc void (), i8* ()* @ifunc_resolver +@ifunc.internal = internal ifunc void (), i8* ()* @ifunc_resolver +; CHECK: @ifunc.internal = internal ifunc void (), i8* ()* @ifunc_resolver + +; IFunc -- Visibility +@ifunc.default = default ifunc void (), i8* ()* @ifunc_resolver +; CHECK: @ifunc.default = ifunc void (), i8* ()* @ifunc_resolver +@ifunc.hidden = hidden ifunc void (), i8* ()* @ifunc_resolver +; CHECK: @ifunc.hidden = hidden ifunc void (), i8* ()* @ifunc_resolver +@ifunc.protected = protected ifunc void (), i8* ()* @ifunc_resolver +; CHECK: @ifunc.protected = protected ifunc void (), i8* ()* @ifunc_resolver + +define i8* @ifunc_resolver() { +entry: + ret i8* null +} + ;; Functions ; Format: define [linkage] [visibility] [DLLStorageClass] ; [cconv] [ret attrs] |