Add type to DEFCIFCODE to describe the inline failure

Report inline error during early inlining if the inline failure is
CIF_FINAL_ERROR.

gcc/

	PR middle-end/59789
	* cgraph.c (cgraph_inline_failed_string): Add type to DEFCIFCODE.
	(cgraph_inline_failed_type): New function.
	* cgraph.h (DEFCIFCODE): Add type.
	(cgraph_inline_failed_type_t): New enum.
	(cgraph_inline_failed_type): New prototype.
	* cif-code.def: Add CIF_FINAL_NORMAL to OK, FUNCTION_NOT_CONSIDERED,
	FUNCTION_NOT_OPTIMIZED, REDEFINED_EXTERN_INLINE,
	FUNCTION_NOT_INLINE_CANDIDATE, LARGE_FUNCTION_GROWTH_LIMIT,
	LARGE_STACK_FRAME_GROWTH_LIMIT, MAX_INLINE_INSNS_SINGLE_LIMIT,
	MAX_INLINE_INSNS_AUTO_LIMIT, INLINE_UNIT_GROWTH_LIMIT,
	RECURSIVE_INLINING, UNLIKELY_CALL, NOT_DECLARED_INLINED,
	OPTIMIZING_FOR_SIZE, ORIGINALLY_INDIRECT_CALL,
	INDIRECT_UNKNOWN_CALL, USES_COMDAT_LOCAL. 
	Add CIF_FINAL_ERROR to UNSPECIFIED, BODY_NOT_AVAILABLE,
	FUNCTION_NOT_INLINABLE, OVERWRITABLE, MISMATCHED_ARGUMENTS,
	EH_PERSONALITY, NON_CALL_EXCEPTIONS, TARGET_OPTION_MISMATCH,
	OPTIMIZATION_MISMATCH.
	* tree-inline.c (expand_call_inline): Emit errors during
	early_inlining if cgraph_inline_failed_type returns
	CIF_FINAL_ERROR.

gcc/testsuite/

	PR middle-end/59789
	* gcc.target/i386/pr59789.c: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206858 138bc75d-0d04-0410-961f-82ee72b054a4

7 files changed, 120 insertions, 29 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bdd525f161d..a666d2e1046 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,27 @@
+2014-01-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR middle-end/59789
+	* cgraph.c (cgraph_inline_failed_string): Add type to DEFCIFCODE.
+	(cgraph_inline_failed_type): New function.
+	* cgraph.h (DEFCIFCODE): Add type.
+	(cgraph_inline_failed_type_t): New enum.
+	(cgraph_inline_failed_type): New prototype.
+	* cif-code.def: Add CIF_FINAL_NORMAL to OK, FUNCTION_NOT_CONSIDERED,
+	FUNCTION_NOT_OPTIMIZED, REDEFINED_EXTERN_INLINE,
+	FUNCTION_NOT_INLINE_CANDIDATE, LARGE_FUNCTION_GROWTH_LIMIT,
+	LARGE_STACK_FRAME_GROWTH_LIMIT, MAX_INLINE_INSNS_SINGLE_LIMIT,
+	MAX_INLINE_INSNS_AUTO_LIMIT, INLINE_UNIT_GROWTH_LIMIT,
+	RECURSIVE_INLINING, UNLIKELY_CALL, NOT_DECLARED_INLINED,
+	OPTIMIZING_FOR_SIZE, ORIGINALLY_INDIRECT_CALL,
+	INDIRECT_UNKNOWN_CALL, USES_COMDAT_LOCAL. 
+	Add CIF_FINAL_ERROR to UNSPECIFIED, BODY_NOT_AVAILABLE,
+	FUNCTION_NOT_INLINABLE, OVERWRITABLE, MISMATCHED_ARGUMENTS,
+	EH_PERSONALITY, NON_CALL_EXCEPTIONS, TARGET_OPTION_MISMATCH,
+	OPTIMIZATION_MISMATCH.
+	* tree-inline.c (expand_call_inline): Emit errors during
+	early_inlining if cgraph_inline_failed_type returns
+	CIF_FINAL_ERROR.
+
 2014-01-20  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/59685
diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 92b31b92252..ae1f43c4359 100644
--- a/gcc/cgraph.c
+++ b/gcc/cgraph.c
@@ -1877,7 +1877,7 @@ const char*
 cgraph_inline_failed_string (cgraph_inline_failed_t reason)
 {
 #undef DEFCIFCODE
-#define DEFCIFCODE(code, string)	string,
+#define DEFCIFCODE(code, type, string)	string,
 
   static const char *cif_string_table[CIF_N_REASONS] = {
 #include "cif-code.def"
@@ -1889,6 +1889,24 @@ cgraph_inline_failed_string (cgraph_inline_failed_t reason)
   return cif_string_table[reason];
 }
 
+/* Return a type describing the failure REASON.  */
+
+cgraph_inline_failed_type_t
+cgraph_inline_failed_type (cgraph_inline_failed_t reason)
+{
+#undef DEFCIFCODE
+#define DEFCIFCODE(code, type, string)	type,
+
+  static cgraph_inline_failed_type_t cif_type_table[CIF_N_REASONS] = {
+#include "cif-code.def"
+  };
+
+  /* Signedness of an enum type is implementation defined, so cast it
+     to unsigned before testing. */
+  gcc_assert ((unsigned) reason < CIF_N_REASONS);
+  return cif_type_table[reason];
+}
+
 /* Names used to print out the availability enum.  */
 const char * const cgraph_availability_names[] =
   {"unset", "not_available", "overwritable", "available", "local"};
diff --git a/gcc/cgraph.h b/gcc/cgraph.h
index 7ce54014e1e..c763516641f 100644
--- a/gcc/cgraph.h
+++ b/gcc/cgraph.h
@@ -518,13 +518,19 @@ struct varpool_node_set_iterator
   unsigned index;
 };
 
-#define DEFCIFCODE(code, string)	CIF_ ## code,
+#define DEFCIFCODE(code, type, string)	CIF_ ## code,
 /* Reasons for inlining failures.  */
 enum cgraph_inline_failed_t {
 #include "cif-code.def"
   CIF_N_REASONS
 };
 
+enum cgraph_inline_failed_type_t
+{
+  CIF_FINAL_NORMAL = 0,
+  CIF_FINAL_ERROR
+};
+
 /* Structure containing additional information about an indirect call.  */
 
 struct GTY(()) cgraph_indirect_call_info
@@ -774,6 +780,7 @@ void cgraph_unnest_node (struct cgraph_node *);
 enum availability cgraph_function_body_availability (struct cgraph_node *);
 void cgraph_add_new_function (tree, bool);
 const char* cgraph_inline_failed_string (cgraph_inline_failed_t);
+cgraph_inline_failed_type_t cgraph_inline_failed_type (cgraph_inline_failed_t);
 
 void cgraph_set_nothrow_flag (struct cgraph_node *, bool);
 void cgraph_set_const_flag (struct cgraph_node *, bool, bool);
diff --git a/gcc/cif-code.def b/gcc/cif-code.def
index f1df5a04cc0..5591f9a9a5f 100644
--- a/gcc/cif-code.def
+++ b/gcc/cif-code.def
@@ -28,84 +28,98 @@ along with GCC see the file COPYING3.  If not see
    which is a NULL pointer.  */
 
 /* Inlining successful.  This must be the first code.  */
-DEFCIFCODE(OK , NULL)
+DEFCIFCODE(OK, CIF_FINAL_NORMAL, NULL)
 
 /* Inlining failed for an unspecified reason.  */
-DEFCIFCODE(UNSPECIFIED , "")
+DEFCIFCODE(UNSPECIFIED, CIF_FINAL_ERROR, "")
 
 /* Function has not be considered for inlining.  This is the code for
    functions that have not been rejected for inlining yet.  */
-DEFCIFCODE(FUNCTION_NOT_CONSIDERED, N_("function not considered for inlining"))
+DEFCIFCODE(FUNCTION_NOT_CONSIDERED, CIF_FINAL_NORMAL,
+	   N_("function not considered for inlining"))
 
 /* Caller is compiled with optimizations disabled.  */
-DEFCIFCODE(FUNCTION_NOT_OPTIMIZED, N_("caller is not optimized"))
+DEFCIFCODE(FUNCTION_NOT_OPTIMIZED, CIF_FINAL_NORMAL,
+	   N_("caller is not optimized"))
 
 /* Inlining failed owing to unavailable function body.  */
-DEFCIFCODE(BODY_NOT_AVAILABLE, N_("function body not available"))
+DEFCIFCODE(BODY_NOT_AVAILABLE, CIF_FINAL_ERROR,
+	   N_("function body not available"))
 
 /* Extern inline function that has been redefined.  */
-DEFCIFCODE(REDEFINED_EXTERN_INLINE,
+DEFCIFCODE(REDEFINED_EXTERN_INLINE, CIF_FINAL_NORMAL,
 	   N_("redefined extern inline functions are not considered for "
 	      "inlining"))
 
 /* Function is not inlinable.  */
-DEFCIFCODE(FUNCTION_NOT_INLINABLE, N_("function not inlinable"))
+DEFCIFCODE(FUNCTION_NOT_INLINABLE, CIF_FINAL_ERROR,
+	   N_("function not inlinable"))
 
 /* Function is overwritable.  */
-DEFCIFCODE(OVERWRITABLE, N_("function body can be overwritten at link time"))
+DEFCIFCODE(OVERWRITABLE, CIF_FINAL_ERROR,
+	   N_("function body can be overwritten at link time"))
 
 /* Function is not an inlining candidate.  */
-DEFCIFCODE(FUNCTION_NOT_INLINE_CANDIDATE, N_("function not inline candidate"))
+DEFCIFCODE(FUNCTION_NOT_INLINE_CANDIDATE, CIF_FINAL_NORMAL,
+	   N_("function not inline candidate"))
 
 /* Inlining failed because of various limit parameters.  */
-DEFCIFCODE(LARGE_FUNCTION_GROWTH_LIMIT,
+DEFCIFCODE(LARGE_FUNCTION_GROWTH_LIMIT, CIF_FINAL_NORMAL,
 	   N_("--param large-function-growth limit reached"))
-DEFCIFCODE(LARGE_STACK_FRAME_GROWTH_LIMIT,
+DEFCIFCODE(LARGE_STACK_FRAME_GROWTH_LIMIT, CIF_FINAL_NORMAL,
 	   N_("--param large-stack-frame-growth limit reached"))
-DEFCIFCODE(MAX_INLINE_INSNS_SINGLE_LIMIT,
+DEFCIFCODE(MAX_INLINE_INSNS_SINGLE_LIMIT, CIF_FINAL_NORMAL,
 	   N_("--param max-inline-insns-single limit reached"))
-DEFCIFCODE(MAX_INLINE_INSNS_AUTO_LIMIT,
+DEFCIFCODE(MAX_INLINE_INSNS_AUTO_LIMIT, CIF_FINAL_NORMAL,
 	   N_("--param max-inline-insns-auto limit reached"))
-DEFCIFCODE(INLINE_UNIT_GROWTH_LIMIT,
+DEFCIFCODE(INLINE_UNIT_GROWTH_LIMIT, CIF_FINAL_NORMAL,
 	   N_("--param inline-unit-growth limit reached"))
 
 /* Recursive inlining.  */
-DEFCIFCODE(RECURSIVE_INLINING, N_("recursive inlining"))
+DEFCIFCODE(RECURSIVE_INLINING, CIF_FINAL_NORMAL,
+	   N_("recursive inlining"))
 
 /* Call is unlikely.  */
-DEFCIFCODE(UNLIKELY_CALL, N_("call is unlikely and code size would grow"))
+DEFCIFCODE(UNLIKELY_CALL, CIF_FINAL_NORMAL,
+	   N_("call is unlikely and code size would grow"))
 
 /* Function is not declared as inline.  */
-DEFCIFCODE(NOT_DECLARED_INLINED,
+DEFCIFCODE(NOT_DECLARED_INLINED, CIF_FINAL_NORMAL,
 	   N_("function not declared inline and code size would grow"))
 
 /* Inlining suppressed due to size optimization.  */
-DEFCIFCODE(OPTIMIZING_FOR_SIZE,
+DEFCIFCODE(OPTIMIZING_FOR_SIZE, CIF_FINAL_NORMAL,
 	   N_("optimizing for size and code size would grow"))
 
 /* Caller and callee disagree on the arguments.  */
-DEFCIFCODE(MISMATCHED_ARGUMENTS, N_("mismatched arguments"))
+DEFCIFCODE(MISMATCHED_ARGUMENTS, CIF_FINAL_ERROR,
+	   N_("mismatched arguments"))
 
 /* Call was originally indirect.  */
-DEFCIFCODE(ORIGINALLY_INDIRECT_CALL,
+DEFCIFCODE(ORIGINALLY_INDIRECT_CALL, CIF_FINAL_NORMAL,
 	   N_("originally indirect function call not considered for inlining"))
 
 /* Ths edge represents an indirect edge with a yet-undetermined callee .  */
-DEFCIFCODE(INDIRECT_UNKNOWN_CALL,
+DEFCIFCODE(INDIRECT_UNKNOWN_CALL, CIF_FINAL_NORMAL,
 	   N_("indirect function call with a yet undetermined callee"))
 
 /* We can't inline different EH personalities together.  */
-DEFCIFCODE(EH_PERSONALITY, N_("exception handling personality mismatch"))
+DEFCIFCODE(EH_PERSONALITY, CIF_FINAL_ERROR,
+	   N_("exception handling personality mismatch"))
 
 /* We can't inline if the callee can throw non-call exceptions but the
    caller cannot.  */
-DEFCIFCODE(NON_CALL_EXCEPTIONS, N_("non-call exception handling mismatch"))
+DEFCIFCODE(NON_CALL_EXCEPTIONS, CIF_FINAL_ERROR,
+	   N_("non-call exception handling mismatch"))
 
 /* We can't inline because of mismatched target specific options.  */
-DEFCIFCODE(TARGET_OPTION_MISMATCH, N_("target specific option mismatch"))
+DEFCIFCODE(TARGET_OPTION_MISMATCH, CIF_FINAL_ERROR,
+	   N_("target specific option mismatch"))
 
 /* We can't inline because of mismatched optimization levels.  */
-DEFCIFCODE(OPTIMIZATION_MISMATCH, N_("optimization level attribute mismatch"))
+DEFCIFCODE(OPTIMIZATION_MISMATCH, CIF_FINAL_ERROR,
+	   N_("optimization level attribute mismatch"))
 
 /* We can't inline because the callee refers to comdat-local symbols.  */
-DEFCIFCODE(USES_COMDAT_LOCAL, N_("callee refers to comdat-local symbols"))
+DEFCIFCODE(USES_COMDAT_LOCAL, CIF_FINAL_NORMAL,
+	   N_("callee refers to comdat-local symbols"))
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4c312c98eb1..dad2c3c1fcf 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR middle-end/59789
+	* gcc.target/i386/pr59789.c: New testcase.
+
 2014-01-20  Yufeng Zhang  <yufeng.zhang@arm.com>
 
 	* g++.dg/debug/ra1.C (struct tree_base): Change the width of
diff --git a/gcc/testsuite/gcc.target/i386/pr59789.c b/gcc/testsuite/gcc.target/i386/pr59789.c
new file mode 100644
index 00000000000..b1440254bb0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr59789.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ia32 } */
+/* { dg-options "-O -march=i686" } */
+
+#pragma GCC push_options
+#pragma GCC target("sse2")
+typedef int __v4si __attribute__ ((__vector_size__ (16)));
+typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__));
+
+extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_set_epi32 (int __q3, int __q2, int __q1, int __q0) /* { dg-error "target specific option mismatch" } */
+{
+  return __extension__ (__m128i)(__v4si){ __q0, __q1, __q2, __q3 };
+}
+#pragma GCC pop_options
+
+
+__m128i
+f1(void)
+{ /* { dg-message "warning: SSE vector return without SSE enabled changes the ABI" } */
+  return _mm_set_epi32 (0, 0, 0, 0); /* { dg-error "called from here" } */
+}
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index 22521b130c4..a3175b34484 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -4116,7 +4116,8 @@ expand_call_inline (basic_block bb, gimple stmt, copy_body_data *id)
 	  /* During early inline pass, report only when optimization is
 	     not turned on.  */
 	  && (cgraph_global_info_ready
-	      || !optimize)
+	      || !optimize
+	      || cgraph_inline_failed_type (reason) == CIF_FINAL_ERROR)
 	  /* PR 20090218-1_0.c. Body can be provided by another module. */
 	  && (reason != CIF_BODY_NOT_AVAILABLE || !flag_generate_lto))
 	{