diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/MC/ELFObjectWriter.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/MC/X86/unused_reg_var_assign.s | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp index aec2bdeded3..4e0a4f45431 100644 --- a/llvm/lib/MC/ELFObjectWriter.cpp +++ b/llvm/lib/MC/ELFObjectWriter.cpp @@ -577,6 +577,10 @@ bool ELFWriter::isInSymtab(const MCAsmLayout &Layout, const MCSymbolELF &Symbol, bool Used, bool Renamed) { if (Symbol.isVariable()) { const MCExpr *Expr = Symbol.getVariableValue(); + // Target Expressions that are always inlined do not appear in the symtab + if (const auto *T = dyn_cast<MCTargetExpr>(Expr)) + if (T->inlineAssignedExpr()) + return false; if (const MCSymbolRefExpr *Ref = dyn_cast<MCSymbolRefExpr>(Expr)) { if (Ref->getKind() == MCSymbolRefExpr::VK_WEAKREF) return false; diff --git a/llvm/test/MC/X86/unused_reg_var_assign.s b/llvm/test/MC/X86/unused_reg_var_assign.s new file mode 100644 index 00000000000..53e5cd6a274 --- /dev/null +++ b/llvm/test/MC/X86/unused_reg_var_assign.s @@ -0,0 +1,3 @@ +# RUN: llvm-mc -triple x86_64-unknown-linux-gnu -filetype obj %s -o %t + +reg_i = %xmm0 |
