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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-02-17 20:12:52 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-02-17 20:12:52 +0000 |
| commit | 00a8c3f6c979a11b15b2a4a4ce08c7888634d6cd (patch) | |
| tree | cb4322acfeda89ebbacba7ac742a3c910ac7ea67 /lib/CodeGen/CGDeclCXX.cpp | |
| parent | 6118612837887cbae365676d53cc3e1c258249aa (diff) | |
Don't emit optimization-specific intrinsic at -O0.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150838 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGDeclCXX.cpp')
| -rw-r--r-- | lib/CodeGen/CGDeclCXX.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/CGDeclCXX.cpp b/lib/CodeGen/CGDeclCXX.cpp index 75bb7dedd9..d8ece58d6e 100644 --- a/lib/CodeGen/CGDeclCXX.cpp +++ b/lib/CodeGen/CGDeclCXX.cpp @@ -104,6 +104,10 @@ static void EmitDeclDestroy(CodeGenFunction &CGF, const VarDecl &D, /// Emit code to cause the variable at the given address to be considered as /// constant from this point onwards. static void EmitDeclInvariant(CodeGenFunction &CGF, llvm::Constant *Addr) { + // Don't emit the intrinsic if we're not optimizing. + if (!CGF.CGM.getCodeGenOpts().OptimizationLevel) + return; + // Grab the llvm.invariant.start intrinsic. llvm::Intrinsic::ID InvStartID = llvm::Intrinsic::invariant_start; llvm::Constant *InvariantStart = CGF.CGM.getIntrinsic(InvStartID); |