Typo and TODO

Author: sudonatalie

llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp

@@ -1594,7 +1594,7 @@ bool SPIRVInstructionSelector::selectLog10(Register ResVReg,
   // Build 0.30103.
   assert(ResType->getOpcode() == SPIRV::OpTypeVector ||
          ResType->getOpcode() == SPIRV::OpTypeFloat);
-  // TODO: Add matrix implementeation once supported by the HLSL frontend.
+  // TODO: Add matrix implementation once supported by the HLSL frontend.
   const SPIRVType *SpirvScalarType =
       ResType->getOpcode() == SPIRV::OpTypeVector
           ? GR.getSPIRVTypeForVReg(ResType->getOperand(1).getReg())

llvm/lib/Target/SPIRV/SPIRVLegalizerInfo.cpp

@@ -229,6 +229,10 @@ SPIRVLegalizerInfo::SPIRVLegalizerInfo(const SPIRVSubtarget &ST) {
   // Control-flow. In some cases (e.g. constants) s1 may be promoted to s32.
   getActionDefinitionsBuilder(G_BRCOND).legalFor({s1, s32});
 
+  // TODO: Review the target OpenCL and GLSL Extended Instruction Set specs to
+  // tighten these requirements. Many of these math functions are only legal on
+  // specific bitwidths, so they are not selectable for
+  // allFloatScalarsAndVectors.
   getActionDefinitionsBuilder({G_FPOW,
                                G_FEXP,
                                G_FEXP2,