[llvm] [TTI] Treat `*l` (long double) and `*f128` (_Float128) libcalls the same (PR #148311)

Nikita Popov via llvm-commits llvm-commits at lists.llvm.org
Sat Jul 12 03:15:55 PDT 2025


================
@@ -189,30 +189,30 @@ class TargetTransformInfoImplBase {
 
     // These will all likely lower to a single selection DAG node.
     // clang-format off
-    if (Name == "copysign" || Name == "copysignf" || Name == "copysignl" ||
-        Name == "fabs"  || Name == "fabsf"  || Name == "fabsl" ||
-        Name == "fmin"  || Name == "fminf"  || Name == "fminl" ||
-        Name == "fmax"  || Name == "fmaxf"  || Name == "fmaxl" ||
-        Name == "sin"   || Name == "sinf"   || Name == "sinl"  ||
-        Name == "cos"   || Name == "cosf"   || Name == "cosl"  ||
-        Name == "tan"   || Name == "tanf"   || Name == "tanl"  ||
-        Name == "asin"  || Name == "asinf"  || Name == "asinl" ||
-        Name == "acos"  || Name == "acosf"  || Name == "acosl" ||
-        Name == "atan"  || Name == "atanf"  || Name == "atanl" ||
-        Name == "atan2" || Name == "atan2f" || Name == "atan2l"||
-        Name == "sinh"  || Name == "sinhf"  || Name == "sinhl" ||
-        Name == "cosh"  || Name == "coshf"  || Name == "coshl" ||
-        Name == "tanh"  || Name == "tanhf"  || Name == "tanhl" ||
-        Name == "sqrt"  || Name == "sqrtf"  || Name == "sqrtl" ||
-        Name == "exp10"  || Name == "exp10l"  || Name == "exp10f")
+    if (Name == "copysign" || Name == "copysignf" || Name == "copysignl" || Name == "copysignl128" ||
----------------
nikic wrote:

```suggestion
    if (Name == "copysign" || Name == "copysignf" || Name == "copysignl" || Name == "copysignf128" ||
```
And same for the rest.

https://github.com/llvm/llvm-project/pull/148311


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