diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/PrologEpilogInserter.cpp | 8 | 
1 files changed, 8 insertions, 0 deletions
| diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index 6015d74abe7..44719151c51 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp @@ -337,7 +337,9 @@ void PEI::clearAllSets() {  void PEI::initShrinkWrappingInfo() {    clearAllSets();    EntryBlock = 0; +#ifndef NDEBUG    HasFastExitPath = false; +#endif    ShrinkWrapThisFunction = ShrinkWrapping;    // DEBUG: enable or disable shrink wrapping for the current function    // via --shrink-wrap-func=<funcname>. @@ -1656,7 +1658,9 @@ void PEI::findFastExitPath() {      MachineBasicBlock* SUCC = *SI;      // Assume positive, disprove existence of fast path. +#ifndef NDEBUG      HasFastExitPath = true; +#endif      // Check the immediate successors.      if (isReturnBlock(SUCC)) { @@ -1672,17 +1676,21 @@ void PEI::findFastExitPath() {        MachineBasicBlock* SBB = *BI;        // Reject paths with branch nodes.        if (SBB->succ_size() > 1) { +#ifndef NDEBUG          HasFastExitPath = false; +#endif          break;        }        exitPath += "->" + getBasicBlockName(SBB);      } +#ifndef NDEBUG      if (HasFastExitPath) {        if (ShrinkWrapDebugging >= BasicInfo)          DOUT << "Fast exit path: " << getBasicBlockName(EntryBlock)               << "->" << exitPath << "\n";        break;      } +#endif    }  } | 

