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| author | Justin Holewinski <jholewinski@nvidia.com> | 2013-03-30 14:29:25 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2013-03-30 14:29:25 +0000 |
| commit | 21fdcb02716f5eae097abfd2f44e40563e90180a (patch) | |
| tree | a22b3d6bd88893175984ae4e699c41b9ccad8b55 /lib/Target/NVPTX/NVPTXTargetMachine.cpp | |
| parent | 3639ce2575660a0e6938d2e84e8bd9a738fd7051 (diff) | |
| download | llvm-21fdcb02716f5eae097abfd2f44e40563e90180a.tar.gz llvm-21fdcb02716f5eae097abfd2f44e40563e90180a.tar.bz2 llvm-21fdcb02716f5eae097abfd2f44e40563e90180a.tar.xz | |
[NVPTX] Add NVVMReflect pass to allow compile-time selection of
specific code paths.
This allows us to write code like:
if (__nvvm_reflect("FOO"))
// Do something
else
// Do something else
and compile into a library, then give "FOO" a value at kernel
compile-time so the check becomes a no-op.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178416 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/NVPTX/NVPTXTargetMachine.cpp')
| -rw-r--r-- | lib/Target/NVPTX/NVPTXTargetMachine.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/NVPTX/NVPTXTargetMachine.cpp b/lib/Target/NVPTX/NVPTXTargetMachine.cpp index 17cd9b75ba..67ca6b58e5 100644 --- a/lib/Target/NVPTX/NVPTXTargetMachine.cpp +++ b/lib/Target/NVPTX/NVPTXTargetMachine.cpp @@ -47,6 +47,10 @@ using namespace llvm; +namespace llvm { +void initializeNVVMReflectPass(PassRegistry&); +} + extern "C" void LLVMInitializeNVPTXTarget() { // Register the target. RegisterTargetMachine<NVPTXTargetMachine32> X(TheNVPTXTarget32); @@ -55,6 +59,9 @@ extern "C" void LLVMInitializeNVPTXTarget() { RegisterMCAsmInfo<NVPTXMCAsmInfo> A(TheNVPTXTarget32); RegisterMCAsmInfo<NVPTXMCAsmInfo> B(TheNVPTXTarget64); + // FIXME: This pass is really intended to be invoked during IR optimization, + // but it's very NVPTX-specific. + initializeNVVMReflectPass(*PassRegistry::getPassRegistry()); } NVPTXTargetMachine::NVPTXTargetMachine( |