diff options
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 0a87cdf061e..1df35ab8465 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -65,6 +65,9 @@ static void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, Builder.defineMacro("__tune_" + CPUName + "__"); } +static TargetInfo *AllocateTarget(const llvm::Triple &Triple, + const TargetOptions &Opts); + //===----------------------------------------------------------------------===// // Defines specific to certain operating systems. //===----------------------------------------------------------------------===// @@ -1627,7 +1630,7 @@ class NVPTXTargetInfo : public TargetInfo { } GPU; public: - NVPTXTargetInfo(const llvm::Triple &Triple, const TargetOptions &) + NVPTXTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts) : TargetInfo(Triple) { BigEndian = false; TLSSupported = false; @@ -1639,6 +1642,65 @@ public: NoAsmVariants = true; // Set the default GPU to sm20 GPU = GK_SM20; + + // If possible, get a TargetInfo for our host triple, so we can match its + // types. + llvm::Triple HostTriple(Opts.HostTriple); + if (HostTriple.isNVPTX()) + return; + std::unique_ptr<TargetInfo> HostTarget( + AllocateTarget(llvm::Triple(Opts.HostTriple), Opts)); + if (!HostTarget) { + return; + } + + PointerWidth = HostTarget->getPointerWidth(/* AddrSpace = */ 0); + PointerAlign = HostTarget->getPointerAlign(/* AddrSpace = */ 0); + BoolWidth = HostTarget->getBoolWidth(); + BoolAlign = HostTarget->getBoolAlign(); + IntWidth = HostTarget->getIntWidth(); + IntAlign = HostTarget->getIntAlign(); + HalfWidth = HostTarget->getHalfWidth(); + HalfAlign = HostTarget->getHalfAlign(); + FloatWidth = HostTarget->getFloatWidth(); + FloatAlign = HostTarget->getFloatAlign(); + DoubleWidth = HostTarget->getDoubleWidth(); + DoubleAlign = HostTarget->getDoubleAlign(); + LongWidth = HostTarget->getLongWidth(); + LongAlign = HostTarget->getLongAlign(); + LongLongWidth = HostTarget->getLongLongWidth(); + LongLongAlign = HostTarget->getLongLongAlign(); + MinGlobalAlign = HostTarget->getMinGlobalAlign(); + DefaultAlignForAttributeAligned = + HostTarget->getDefaultAlignForAttributeAligned(); + SizeType = HostTarget->getSizeType(); + IntMaxType = HostTarget->getIntMaxType(); + PtrDiffType = HostTarget->getPtrDiffType(/* AddrSpace = */ 0); + IntPtrType = HostTarget->getIntPtrType(); + WCharType = HostTarget->getWCharType(); + WIntType = HostTarget->getWIntType(); + Char16Type = HostTarget->getChar16Type(); + Char32Type = HostTarget->getChar32Type(); + Int64Type = HostTarget->getInt64Type(); + SigAtomicType = HostTarget->getSigAtomicType(); + ProcessIDType = HostTarget->getProcessIDType(); + + UseBitFieldTypeAlignment = HostTarget->useBitFieldTypeAlignment(); + UseZeroLengthBitfieldAlignment = + HostTarget->useZeroLengthBitfieldAlignment(); + UseExplicitBitFieldAlignment = HostTarget->useExplicitBitFieldAlignment(); + ZeroLengthBitfieldBoundary = HostTarget->getZeroLengthBitfieldBoundary(); + + // Properties intentionally not copied from host: + // - LargeArrayMinWidth, LargeArrayAlign: Not visible across the + // host/device boundary. + // - SuitableAlign: Not visible across the host/device boundary, and may + // correctly be different on host/device, e.g. if host has wider vector + // types than device. + // - LongDoubleWidth, LongDoubleAlign: nvptx's long double type is the same + // as its double type, but that's not necessarily true on the host. + // TODO: nvcc emits a warning when using long double on device; we should + // do the same. } void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const override { |
