1 files changed, 7 insertions, 11 deletions
diff --git a/include/llvm/CodeGen/ISDOpcodes.h b/include/llvm/CodeGen/ISDOpcodes.h
index d256849be9af..80bd796d5374 100644
--- a/include/llvm/CodeGen/ISDOpcodes.h
+++ b/include/llvm/CodeGen/ISDOpcodes.h
@@ -377,6 +377,8 @@ namespace ISD {
     /// When the 1st operand is a vector, the shift amount must be in the same
     /// type. (TLI.getShiftAmountTy() will return the same type when the input
     /// type is a vector.)
+    /// For rotates, the shift amount is treated as an unsigned amount modulo
+    /// the element size of the first operand.
     SHL, SRA, SRL, ROTL, ROTR,
 
     /// Byte Swap and Counting operators.
@@ -412,19 +414,11 @@ namespace ISD {
     /// then the result type must also be a vector type.
     SETCC,
 
-    /// Like SetCC, ops #0 and #1 are the LHS and RHS operands to compare, and
-    /// op #2 is a *carry value*. This operator checks the result of
-    /// "LHS - RHS - Carry", and can be used to compare two wide integers:
-    /// (setcce lhshi rhshi (subc lhslo rhslo) cc). Only valid for integers.
-    /// FIXME: This node is deprecated in favor of SETCCCARRY.
-    /// It is kept around for now to provide a smooth transition path
-    /// toward the use of SETCCCARRY and will eventually be removed.
-    SETCCE,
-
     /// Like SetCC, ops #0 and #1 are the LHS and RHS operands to compare, but
     /// op #2 is a boolean indicating if there is an incoming carry. This
     /// operator checks the result of "LHS - RHS - Carry", and can be used to
-    /// compare two wide integers: (setcce lhshi rhshi (subc lhslo rhslo) cc).
+    /// compare two wide integers:
+    /// (setcccarry lhshi rhshi (subcarry lhslo rhslo) cc).
     /// Only valid for integers.
     SETCCCARRY,
 
@@ -495,7 +489,8 @@ namespace ISD {
     ZERO_EXTEND_VECTOR_INREG,
 
     /// FP_TO_[US]INT - Convert a floating point value to a signed or unsigned
-    /// integer.
+    /// integer. These have the same semantics as fptosi and fptoui in IR. If
+    /// the FP value cannot fit in the integer type, the results are undefined.
     FP_TO_SINT,
     FP_TO_UINT,
 
@@ -779,6 +774,7 @@ namespace ISD {
     ATOMIC_LOAD_ADD,
     ATOMIC_LOAD_SUB,
     ATOMIC_LOAD_AND,
+    ATOMIC_LOAD_CLR,
     ATOMIC_LOAD_OR,
     ATOMIC_LOAD_XOR,
     ATOMIC_LOAD_NAND,