diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index 7e6d212f730..1b9a3f276bc 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -3377,34 +3377,6 @@ SDValue SITargetLowering::PerformDAGCombine(SDNode *N, return AMDGPUTargetLowering::PerformDAGCombine(N, DCI); } -/// \brief Analyze the possible immediate value Op -/// -/// Returns -1 if it isn't an immediate, 0 if it's and inline immediate -/// and the immediate value if it's a literal immediate -int32_t SITargetLowering::analyzeImmediate(const SDNode *N) const { - const SIInstrInfo *TII = getSubtarget()->getInstrInfo(); - - if (const ConstantSDNode *Node = dyn_cast<ConstantSDNode>(N)) { - if (TII->isInlineConstant(Node->getAPIntValue())) - return 0; - - uint64_t Val = Node->getZExtValue(); - return isUInt<32>(Val) ? Val : -1; - } - - if (const ConstantFPSDNode *Node = dyn_cast<ConstantFPSDNode>(N)) { - if (TII->isInlineConstant(Node->getValueAPF().bitcastToAPInt())) - return 0; - - if (Node->getValueType(0) == MVT::f32) - return FloatToBits(Node->getValueAPF().convertToFloat()); - - return -1; - } - - return -1; -} - /// \brief Helper function for adjustWritemask static unsigned SubIdx2Lane(unsigned Idx) { switch (Idx) { |
