Teach SCEV's icmp simplification logic that a-b == 0 is equivalent to a == b.

[oota-llvm.git] / include / llvm / Intrinsics.td

diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td
index 794848c19cfa226bea78251e46b8a7f7232de3f1..01d2cca47a662083ac7b80ad5dc172c2c091522d 100644 (file)
--- a/include/llvm/Intrinsics.td
+++ b/include/llvm/Intrinsics.td
@@ -55,6 +55,8 @@ class NoCapture<int argNo> : IntrinsicProperty {
   int ArgNo = argNo;
 }
 
+def IntrNoReturn : IntrinsicProperty;
+
 //===----------------------------------------------------------------------===//
 // Types used by intrinsics.
 //===----------------------------------------------------------------------===//
@@ -257,6 +259,7 @@ let Properties = [IntrReadMem] in {
   def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_exp  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
+  def int_fabs : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
 }
 
 let Properties = [IntrNoMem] in {
@@ -400,7 +403,7 @@ def int_invariant_end   : Intrinsic<[],
 //
 def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
                      GCCBuiltin<"__builtin_flt_rounds">;
-def int_trap : Intrinsic<[]>,
+def int_trap : Intrinsic<[], [], [IntrNoReturn]>,
                GCCBuiltin<"__builtin_trap">;
 def int_debugtrap : Intrinsic<[]>,
                     GCCBuiltin<"__builtin_debugtrap">;