[NFC] fix trivial typos in document and comments

"not not" -> "not" etc

llvm-svn: 330083

Author: inouehrs

llvm/lib/Target/AMDGPU/AMDGPUMachineFunction.h

@@ -30,7 +30,7 @@ class AMDGPUMachineFunction : public MachineFunctionInfo {
   /// Start of implicit kernel args
   unsigned ABIArgOffset;
 
-  // Kernels + shaders. i.e. functions called by the driver and not not called
+  // Kernels + shaders. i.e. functions called by the driver and not called
   // by other functions.
   bool IsEntryFunction;
 

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -22371,7 +22371,7 @@ static SDValue LowerABS(SDValue Op, SelectionDAG &DAG) {
 static SDValue LowerMINMAX(SDValue Op, SelectionDAG &DAG) {
   MVT VT = Op.getSimpleValueType();
 
-  // For AVX1 cases, split to use use legal ops (everything but v4i64).
+  // For AVX1 cases, split to use legal ops (everything but v4i64).
   if (VT.getScalarType() != MVT::i64 && VT.is256BitVector())
     return Lower256IntArith(Op, DAG);
 

llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp

@@ -862,7 +862,7 @@ class PGOUseFunc {
   // Set the branch weights based on the count values.
   void setBranchWeights();
 
-  // Annotate the value profile call sites all all value kind.
+  // Annotate the value profile call sites for all value kind.
   void annotateValueSites();
 
   // Annotate the value profile call sites for one value kind.

llvm/lib/Transforms/Scalar/MergeICmps.cpp

@@ -231,7 +231,7 @@ bool BCECmpBlock::doesOtherWork() const {
   DenseSet<Instruction *> BlockInsts(
       {Lhs_.GEP, Rhs_.GEP, Lhs_.LoadI, Rhs_.LoadI, CmpI, BranchI});
   // TODO(courbet): Can we allow some other things ? This is very conservative.
-  // We might be able to get away with anything does does not have any side
+  // We might be able to get away with anything does not have any side
   // effects outside of the basic block.
   // Note: The GEPs and/or loads are not necessarily in the same block.
   for (const Instruction &Inst : *BB) {