diff options
| author | Duncan Sands <baldrick@free.fr> | 2009-11-10 09:08:09 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2009-11-10 09:08:09 +0000 |
| commit | f07c9497b2ad030457c9314db5bfb8b0b204a0da (patch) | |
| tree | 2b01ff48ba1c4deada50224f127670e7162551ae /lib/CodeGen/IntrinsicLowering.cpp | |
| parent | 8e345a1c418608c49abb7c51a090bbb36f1273bc (diff) | |
Codegen support for the llvm.invariant/lifetime.start/end intrinsics:
just throw them away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86678 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/IntrinsicLowering.cpp')
| -rw-r--r-- | lib/CodeGen/IntrinsicLowering.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp index 3e3b28a810..8a3bd0bf4e 100644 --- a/lib/CodeGen/IntrinsicLowering.cpp +++ b/lib/CodeGen/IntrinsicLowering.cpp @@ -515,6 +515,15 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { if (CI->getType() != Type::getVoidTy(Context)) CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1)); break; + case Intrinsic::invariant_start: + case Intrinsic::lifetime_start: + // Discard region information. + CI->replaceAllUsesWith(UndefValue::get(CI->getType())); + break; + case Intrinsic::invariant_end: + case Intrinsic::lifetime_end: + // Discard region information. + break; } assert(CI->use_empty() && |