[flang-commits] [flang] [flang] Fix for atand(Y, X), and implment atan2d(Y, X), atanpi(X), atanpi(Y, X), atan2pi(Y, X) (PR #79002)

[Kelvin Li via flang-commits]

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@@ -0,0 +1,28 @@
+! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s --check-prefixes="CHECK,CHECK-FAST"
+! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir %s -o - | FileCheck %s --check-prefixes="CHECK,CHECK-FAST"
+
+
+function test_real4_all_args(y,x)
+  real(4) :: x, y, test_real4
+  test_real4 = atan2d(y,x)
+end function
+
+! CHECK-LABEL: @_QPtest_real4_all_args
+! CHECK: %[[terminationCheck:.*]] = arith.andi %[[YEq0:.*]], %[[XEq0:.*]] : i1
+! CHECK: fir.if %[[terminationCheck]]
+! CHECK-FAST: %[[atan2:.*]] = math.atan2 %{{.*}}, %{{.*}}: f32
+! CHECK: %[[dfactor:.*]] = arith.constant 57.295779513082323 : f64
+! CHECK: %[[factor:.*]] = fir.convert %[[dfactor]] : (f64) -> f32
+! CHECK: %{{.*}} = arith.mulf %[[atan2]], %[[factor]] fastmath<contract> : f32
+
+function test_real8_all_args(y,x)
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kkwli wrote:

`test_real8_all_args` → `test_real8`?

https://github.com/llvm/llvm-project/pull/79002