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| author | Tim Northover <tnorthover@apple.com> | 2014-04-18 14:54:41 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2014-04-18 14:54:41 +0000 |
| commit | be1d1b6681b28f9dd4bff0e14d4fd9aa63f90d64 (patch) | |
| tree | f01069046f343b34d62b7aa1ad71fd6924494825 | |
| parent | be3941cc79ea86be961ccbbd1833d0590760123f (diff) | |
| download | bcm5719-llvm-be1d1b6681b28f9dd4bff0e14d4fd9aa63f90d64.tar.gz bcm5719-llvm-be1d1b6681b28f9dd4bff0e14d4fd9aa63f90d64.zip | |
ARM64: don't emit .subsections_via_symbols on ELF.
Part of PR19455.
llvm-svn: 206610
| -rw-r--r-- | llvm/lib/Target/ARM64/ARM64AsmPrinter.cpp | 16 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM64/subsections.ll | 5 |
2 files changed, 14 insertions, 7 deletions
diff --git a/llvm/lib/Target/ARM64/ARM64AsmPrinter.cpp b/llvm/lib/Target/ARM64/ARM64AsmPrinter.cpp index 09dbf55e3f1..9ea00c8a938 100644 --- a/llvm/lib/Target/ARM64/ARM64AsmPrinter.cpp +++ b/llvm/lib/Target/ARM64/ARM64AsmPrinter.cpp @@ -120,13 +120,15 @@ private: //===----------------------------------------------------------------------===// void ARM64AsmPrinter::EmitEndOfAsmFile(Module &M) { - // Funny Darwin hack: This flag tells the linker that no global symbols - // contain code that falls through to other global symbols (e.g. the obvious - // implementation of multiple entry points). If this doesn't occur, the - // linker can safely perform dead code stripping. Since LLVM never - // generates code that does this, it is always safe to set. - OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols); - SM.serializeToStackMapSection(); + if (Subtarget->isTargetMachO()) { + // Funny Darwin hack: This flag tells the linker that no global symbols + // contain code that falls through to other global symbols (e.g. the obvious + // implementation of multiple entry points). If this doesn't occur, the + // linker can safely perform dead code stripping. Since LLVM never + // generates code that does this, it is always safe to set. + OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols); + SM.serializeToStackMapSection(); + } // Emit a .data.rel section containing any stubs that were created. if (Subtarget->isTargetELF()) { diff --git a/llvm/test/CodeGen/ARM64/subsections.ll b/llvm/test/CodeGen/ARM64/subsections.ll new file mode 100644 index 00000000000..316e7c3a8eb --- /dev/null +++ b/llvm/test/CodeGen/ARM64/subsections.ll @@ -0,0 +1,5 @@ +; RUN: llc -mtriple=arm64-apple-ios7.0 -o - %s | FileCheck %s --check-prefix=CHECK-MACHO +; RUN: llc -mtriple=arm64-linux-gnu -o - %s | FileCheck %s --check-prefix=CHECK-ELF + +; CHECK-MACHO: .subsections_via_symbols +; CHECK-ELF-NOT: .subsections_via_symbols
\ No newline at end of file |
