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Add intrinsics.sqrt for floating-point values

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gingerBill
2021-05-19 10:32:41 +01:00
parent 8d044fd442
commit e0225c3579
4 changed files with 60 additions and 11 deletions
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src/llvm_backend.cpp
+22
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@@ -9429,6 +9429,28 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
return res;
}
case BuiltinProc_sqrt:
{
Type *type = tv.type;
lbValue x = lb_build_expr(p, ce->args[0]);
x = lb_emit_conv(p, x, type);
char const *name = "llvm.sqrt";
LLVMTypeRef types[1] = {lb_type(p->module, type)};
unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
LLVMValueRef args[1] = {};
args[0] = x.value;
lbValue res = {};
res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
res.type = type;
return res;
}
case BuiltinProc_atomic_fence:
LLVMBuildFence(p->builder, LLVMAtomicOrderingSequentiallyConsistent, false, "");