https://git.ruby-lang.org/ruby.git/commit/?id=56b1b93a0c

From 56b1b93a0c504b93f7536effca155c0fdeebeb8e Mon Sep 17 00:00:00 2001
From: Kevin Newton <kddnewton@g...>
Date: Thu, 7 Oct 2021 11:01:37 -0400
Subject: Feedback, tests, and rebase for kwargs

---
 bootstraptest/test_yjit.rb | 77 ++++++++++++++++++++++++++++++----------------
 yjit.c                     |  5 +++
 yjit_codegen.c             |  6 ++--
 3 files changed, 58 insertions(+), 30 deletions(-)

diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb
index cf4a65fea2..100cb99cee 100644
--- a/bootstraptest/test_yjit.rb
+++ b/bootstraptest/test_yjit.rb
@@ -2074,37 +2074,60 @@ assert_equal '["sub", "sub"]', %q{ https://github.com/ruby/ruby/blob/trunk/bootstraptest/test_yjit.rb#L2074
   [foo(sub), foo(sub)]
 }
 
-assert_equal '[[1, 2, 3, 4]]', %q{
-  def four(a:, b:, c:, d:)
-    [a, b, c, d]
+# leading and keyword arguments are swapped into the right order
+assert_equal '[[1, 2, 3, 4, 5, 6]]', %q{
+  def kwargs(five, six, a:, b:, c:, d:)
+    [a, b, c, d, five, six]
   end
 
   5.times.flat_map do
     [
-      four(a: 1, b: 2, c: 3, d: 4),
-      four(a: 1, b: 2, d: 4, c: 3),
-      four(a: 1, c: 3, b: 2, d: 4),
-      four(a: 1, c: 3, d: 4, b: 2),
-      four(a: 1, d: 4, b: 2, c: 3),
-      four(a: 1, d: 4, c: 3, b: 2),
-      four(b: 2, a: 1, c: 3, d: 4),
-      four(b: 2, a: 1, d: 4, c: 3),
-      four(b: 2, c: 3, a: 1, d: 4),
-      four(b: 2, c: 3, d: 4, a: 1),
-      four(b: 2, d: 4, a: 1, c: 3),
-      four(b: 2, d: 4, c: 3, a: 1),
-      four(c: 3, a: 1, b: 2, d: 4),
-      four(c: 3, a: 1, d: 4, b: 2),
-      four(c: 3, b: 2, a: 1, d: 4),
-      four(c: 3, b: 2, d: 4, a: 1),
-      four(c: 3, d: 4, a: 1, b: 2),
-      four(c: 3, d: 4, b: 2, a: 1),
-      four(d: 4, a: 1, b: 2, c: 3),
-      four(d: 4, a: 1, c: 3, b: 2),
-      four(d: 4, b: 2, a: 1, c: 3),
-      four(d: 4, b: 2, c: 3, a: 1),
-      four(d: 4, c: 3, a: 1, b: 2),
-      four(d: 4, c: 3, b: 2, a: 1)
+      kwargs(5, 6, a: 1, b: 2, c: 3, d: 4),
+      kwargs(5, 6, a: 1, b: 2, d: 4, c: 3),
+      kwargs(5, 6, a: 1, c: 3, b: 2, d: 4),
+      kwargs(5, 6, a: 1, c: 3, d: 4, b: 2),
+      kwargs(5, 6, a: 1, d: 4, b: 2, c: 3),
+      kwargs(5, 6, a: 1, d: 4, c: 3, b: 2),
+      kwargs(5, 6, b: 2, a: 1, c: 3, d: 4),
+      kwargs(5, 6, b: 2, a: 1, d: 4, c: 3),
+      kwargs(5, 6, b: 2, c: 3, a: 1, d: 4),
+      kwargs(5, 6, b: 2, c: 3, d: 4, a: 1),
+      kwargs(5, 6, b: 2, d: 4, a: 1, c: 3),
+      kwargs(5, 6, b: 2, d: 4, c: 3, a: 1),
+      kwargs(5, 6, c: 3, a: 1, b: 2, d: 4),
+      kwargs(5, 6, c: 3, a: 1, d: 4, b: 2),
+      kwargs(5, 6, c: 3, b: 2, a: 1, d: 4),
+      kwargs(5, 6, c: 3, b: 2, d: 4, a: 1),
+      kwargs(5, 6, c: 3, d: 4, a: 1, b: 2),
+      kwargs(5, 6, c: 3, d: 4, b: 2, a: 1),
+      kwargs(5, 6, d: 4, a: 1, b: 2, c: 3),
+      kwargs(5, 6, d: 4, a: 1, c: 3, b: 2),
+      kwargs(5, 6, d: 4, b: 2, a: 1, c: 3),
+      kwargs(5, 6, d: 4, b: 2, c: 3, a: 1),
+      kwargs(5, 6, d: 4, c: 3, a: 1, b: 2),
+      kwargs(5, 6, d: 4, c: 3, b: 2, a: 1)
     ]
   end.uniq
 }
+
+# implicit hashes get skipped and don't break compilation
+assert_equal '[[:key]]', %q{
+  def implicit(hash)
+    hash.keys
+  end
+
+  5.times.map { implicit(key: :value) }.uniq
+}
+
+# default values on keywords don't mess up argument order
+assert_equal '[2]', %q{
+  def default_value
+    1
+  end
+
+  def default_expression(value: default_value)
+    value
+  end
+
+  5.times.map { default_expression(value: 2) }.uniq
+}
diff --git a/yjit.c b/yjit.c
index 8b2de85b08..dbd9bea25a 100644
--- a/yjit.c
+++ b/yjit.c
@@ -73,9 +73,14 @@ YJIT_DECLARE_COUNTERS( https://github.com/ruby/ruby/blob/trunk/yjit.c#L73
     send_cfunc_argc_mismatch,
     send_cfunc_toomany_args,
     send_cfunc_tracing,
+    send_cfunc_kwargs,
+    send_attrset_kwargs,
     send_iseq_tailcall,
     send_iseq_arity_error,
     send_iseq_only_keywords,
+    send_iseq_kwargs_req_and_opt_missing,
+    send_iseq_kwargs_none_passed,
+    send_iseq_kwargs_mismatch,
     send_iseq_complex_callee,
     send_not_implemented_method,
     send_getter_arity,
diff --git a/yjit_codegen.c b/yjit_codegen.c
index 8f49a358cf..fa48df755b 100644
--- a/yjit_codegen.c
+++ b/yjit_codegen.c
@@ -775,7 +775,7 @@ gen_dupn(jitstate_t *jit, ctx_t *ctx, codeblock_t *cb) https://github.com/ruby/ruby/blob/trunk/yjit_codegen.c#L775
 }
 
 static void
-stack_swap(ctx_t* ctx, codeblock_t* cb, int offset0, int offset1, x86opnd_t reg0, x86opnd_t reg1)
+stack_swap(ctx_t *ctx, codeblock_t *cb, int offset0, int offset1, x86opnd_t reg0, x86opnd_t reg1)
 {
     x86opnd_t opnd0 = ctx_stack_opnd(ctx, offset0);
     x86opnd_t opnd1 = ctx_stack_opnd(ctx, offset1);
@@ -794,7 +794,7 @@ stack_swap(ctx_t* ctx, codeblock_t* cb, int offset0, int offset1, x86opnd_t reg0 https://github.com/ruby/ruby/blob/trunk/yjit_codegen.c#L794
 
 // Swap top 2 stack entries
 static codegen_status_t
-gen_swap(jitstate_t* jit, ctx_t* ctx, codeblock_t* cb)
+gen_swap(jitstate_t *jit, ctx_t *ctx, codeblock_t *cb)
 {
     stack_swap(ctx , cb, 0, 1, REG0, REG1);
     return YJIT_KEEP_COMPILING;
@@ -3819,7 +3819,7 @@ gen_send_general(jitstate_t *jit, ctx_t *ctx, struct rb_call_data *cd, rb_iseq_t https://github.com/ruby/ruby/blob/trunk/yjit_codegen.c#L3819
             }
           case VM_METHOD_TYPE_ATTRSET:
             if ((vm_ci_flag(ci) & VM_CALL_KWARG) != 0) {
-                GEN_COUNTER_INC(cb, send_attrset_keywords);
+                GEN_COUNTER_INC(cb, send_attrset_kwargs);
                 return YJIT_CANT_COMPILE;
             } else if (argc != 1 || !RB_TYPE_P(comptime_recv, T_OBJECT)) {
                 GEN_COUNTER_INC(cb, send_ivar_set_method);
-- 
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