[Mlir-commits] [mlir] [mlir][math] Reland 58ef9bec071383744fb703ff08df9806f25e4095 (PR #85436)

[Kai Sasaki]

================
@@ -683,12 +683,31 @@ func.func @cosh() {
  return
 }
 
+// -------------------------------------------------------------------------- //
+// Tanh.
+// -------------------------------------------------------------------------- //
+
+func.func @tanh_8xf32(%a : vector<8xf32>) {
+  %r = math.tanh %a : vector<8xf32>
+  vector.print %r : vector<8xf32>
+  return
+}
+
+func.func @tanh() {
+  // CHECK: -1, -0.761594, -0.291313, 0, 0.291313, 0.761594, 1, 1
+  %v3 = arith.constant dense<[0xff800000, -1.0, -0.3, 0.0, 0.3, 1.0, 10.0, 0x7f800000]> : vector<8xf32>
----------------
Lewuathe wrote:

Are you using 0xff800000 for the negative big value and 0x7f800000 for the positive big value? Correct?

https://github.com/llvm/llvm-project/pull/85436