diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-10-28 23:59:40 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-28 23:59:40 +0000 |
| commit | d9becd1846e2c72bf6ad283faa1b048f33dd3afe (patch) | |
| tree | b36a12fe39d2edd3c0efa3d55536de8d9bd2f3fe /lib/CodeGen/CGExprConstant.cpp | |
| parent | e8ec699167a7c3a2872feefd03e0ea2fabb980e0 (diff) | |
Implement clang support for indirect branch and address of label
using the new LLVM support for this. This is temporarily hiding
behind horrible and ugly #ifdefs until the time when the optimizer
is stable (hopefully a week or so). Until then, lets make it "opt in" :)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85446 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprConstant.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprConstant.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp index f8923efd24..dc0aa9e7c4 100644 --- a/lib/CodeGen/CGExprConstant.cpp +++ b/lib/CodeGen/CGExprConstant.cpp @@ -776,11 +776,17 @@ public: } case Expr::AddrLabelExprClass: { assert(CGF && "Invalid address of label expression outside function."); +#ifndef USEINDIRECTBRANCH unsigned id = CGF->GetIDForAddrOfLabel(cast<AddrLabelExpr>(E)->getLabel()); llvm::Constant *C = llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), id); return llvm::ConstantExpr::getIntToPtr(C, ConvertType(E->getType())); +#else + llvm::Constant *Ptr = + CGF->GetAddrOfLabel(cast<AddrLabelExpr>(E)->getLabel()); + return llvm::ConstantExpr::getBitCast(Ptr, ConvertType(E->getType())); +#endif } case Expr::CallExprClass: { CallExpr* CE = cast<CallExpr>(E); |