Adding support of AMDLIBM vector library (#78560)

Hi,

AMD has it's own implementation of vector calls. This patch include the
changes to enable the use of AMD's math library using -fveclib=AMDLIBM.
Please refer https://github.com/amd/aocl-libm-ose 

---------

Co-authored-by: Rohit Aggarwal <Rohit.Aggarwal@amd.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index 25951d2..710762a 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -37,7 +37,9 @@ static cl::opt<TargetLibraryInfoImpl::VectorLibrary> ClVectorLibrary(
                clEnumValN(TargetLibraryInfoImpl::SLEEFGNUABI, "sleefgnuabi",
                           "SIMD Library for Evaluating Elementary Functions"),
                clEnumValN(TargetLibraryInfoImpl::ArmPL, "ArmPL",
-                          "Arm Performance Libraries")));
+                          "Arm Performance Libraries"),
+               clEnumValN(TargetLibraryInfoImpl::AMDLIBM, "AMDLIBM",
+                          "AMD vector math library")));
 
 StringLiteral const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] =
     {
@@ -1273,6 +1275,16 @@ void TargetLibraryInfoImpl::addVectorizableFunctionsFromVecLib(
     }
     break;
   }
+  case AMDLIBM: {
+    const VecDesc VecFuncs[] = {
+#define TLI_DEFINE_AMDLIBM_VECFUNCS
+#define TLI_DEFINE_VECFUNC(SCAL, VEC, VF, MASK, VABI_PREFIX)                   \
+  {SCAL, VEC, VF, MASK, VABI_PREFIX},
+#include "llvm/Analysis/VecFuncs.def"
+    };
+    addVectorizableFunctions(VecFuncs);
+    break;
+  }
   case NoLibrary:
     break;
   }