diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2010-07-01 01:31:45 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-07-01 01:31:45 +0000 |
| commit | 1ad6648cce57bd187f1853f58fef26cd9bf4934f (patch) | |
| tree | f7f590a8f54e60a8fe9d1c9f5731222830fcefdb /lib/CodeGen | |
| parent | d5aaa57549ec1d36ae4c7f06583a80444e57a374 (diff) | |
Driver/IRgen: Add support for -momit-leaf-frame-pointer.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107367 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/BackendUtil.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp index 793a4da23e..69efe438cc 100644 --- a/lib/CodeGen/BackendUtil.cpp +++ b/lib/CodeGen/BackendUtil.cpp @@ -160,7 +160,20 @@ bool EmitAssemblyHelper::AddEmitPasses(BackendAction Action, // FIXME: Expose these capabilities via actual APIs!!!! Aside from just // being gross, this is also totally broken if we ever care about // concurrency. - llvm::NoFramePointerElim = CodeGenOpts.DisableFPElim; + + // Set frame pointer elimination mode. + if (!CodeGenOpts.DisableFPElim) { + llvm::NoFramePointerElim = false; + llvm::NoFramePointerElimNonLeaf = false; + } else if (CodeGenOpts.OmitLeafFramePointer) { + llvm::NoFramePointerElim = false; + llvm::NoFramePointerElimNonLeaf = true; + } else { + llvm::NoFramePointerElim = true; + llvm::NoFramePointerElimNonLeaf = true; + } + + // Set float ABI type. if (CodeGenOpts.FloatABI == "soft") llvm::FloatABIType = llvm::FloatABI::Soft; else if (CodeGenOpts.FloatABI == "hard") @@ -169,6 +182,7 @@ bool EmitAssemblyHelper::AddEmitPasses(BackendAction Action, assert(CodeGenOpts.FloatABI.empty() && "Invalid float abi!"); llvm::FloatABIType = llvm::FloatABI::Default; } + NoZerosInBSS = CodeGenOpts.NoZeroInitializedInBSS; llvm::UseSoftFloat = CodeGenOpts.SoftFloat; UnwindTablesMandatory = CodeGenOpts.UnwindTables; |