[llvm] Mark Vector128/Vector256 types as SIMD.

These are not currently supported, but marking them as simd helps llvm eliminate dead variables with these types, since
XZERO is easier to eliminate than VZERO.

Commit migrated from https://github.com/mono/mono/commit/798af6613796fcbe11cf20a33a889705483197a7

diff --git a/src/mono/mono/metadata/class-init.c b/src/mono/mono/metadata/class-init.c
index 51fdc60..ce4dabc 100644 (file)
--- a/src/mono/mono/metadata/class-init.c
+++ b/src/mono/mono/metadata/class-init.c
@@ -808,7 +808,8 @@ mono_class_create_generic_inst (MonoGenericClass *gclass)
                        klass->simd_type = 1;
        }
 #ifdef ENABLE_NETCORE
-       if (mono_is_corlib_image (gklass->image) && !strcmp (gklass->name, "Vector`1")) {
+       if (mono_is_corlib_image (gklass->image) &&
+               (!strcmp (gklass->name, "Vector`1") || !strcmp (gklass->name, "Vector128`1") || !strcmp (gklass->name, "Vector256`1"))) {
                MonoType *etype = gclass->context.class_inst->type_argv [0];
                if (mono_type_is_primitive (etype) && etype->type != MONO_TYPE_CHAR && etype->type != MONO_TYPE_BOOLEAN)
                        klass->simd_type = 1;

diff --git a/src/mono/mono/mini/mini-llvm.c b/src/mono/mono/mini/mini-llvm.c
index 8d29e71..890a069 100644 (file)
--- a/src/mono/mono/mini/mini-llvm.c
+++ b/src/mono/mono/mini/mini-llvm.c
@@ -500,7 +500,7 @@ simd_class_to_llvm_type (EmitContext *ctx, MonoClass *klass)
                return LLVMVectorType (LLVMFloatType (), 4);
        } else if (!strcmp (klass_name, "Vector4")) {
                return LLVMVectorType (LLVMFloatType (), 4);
-       } else if (!strcmp (klass_name, "Vector`1")) {
+       } else if (!strcmp (klass_name, "Vector`1") || !strcmp (klass_name, "Vector128`1") || !strcmp (klass_name, "Vector256`1")) {
                MonoType *etype = mono_class_get_generic_class (klass)->context.class_inst->type_argv [0];
                int size = mono_class_value_size (klass, NULL);
                switch (etype->type) {