From: Pan Li <[email protected]>

Add test cases of all possible types of bit_op convert folding.
To check there is no tree dump like below:

   _5 = (uint8_t) _2;
   return _5;

gcc/testsuite/ChangeLog:

        * gcc.dg/tree-ssa/bit_op_cvt.1.c: New test.
        * gcc.dg/tree-ssa/bit_op_cvt.2.c: New test.
        * gcc.dg/tree-ssa/bit_op_cvt.3.c: New test.
        * gcc.dg/tree-ssa/bit_op_cvt.4.c: New test.
        * gcc.dg/tree-ssa/bit_op_cvt.5.c: New test.
        * gcc.dg/tree-ssa/bit_op_cvt.6.c: New test.
        * gcc.dg/tree-ssa/bit_op_cvt.h: New test.

Signed-off-by: Pan Li <[email protected]>
---
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.1.c | 33 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.2.c | 33 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.3.c | 33 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.4.c | 33 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.5.c | 33 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.6.c | 33 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.h   | 13 ++++++++
 7 files changed, 211 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.1.c
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.2.c
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.3.c
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.4.c
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.5.c
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.6.c
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.h

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.1.c 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.1.c
new file mode 100644
index 00000000000..c0da601f5f6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.1.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#include "bit_op_cvt.h"
+
+DEF_BIT_CVT_0(uint8_t, int8_t, uint16_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, int8_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, int8_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint16_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int16_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, int8_t, int16_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, int8_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint8_t, int8_t, int64_t, |, bit_ior)
+
+DEF_BIT_CVT_0(uint16_t, int16_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, int16_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, int16_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, int16_t, int64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, uint16_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, uint16_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, uint16_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(uint16_t, uint16_t, int64_t, |, bit_ior)
+
+DEF_BIT_CVT_0(uint32_t, int32_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint32_t, int32_t, int64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint32_t, uint32_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(uint32_t, uint32_t, int64_t, |, bit_ior)
+
+/* { dg-final { scan-tree-dump-not "_\[0-9]\+ = \\(u?int\[0-9]\+_t\\) 
_\[0-9]\+;\\s+return _\[0-9]\+;" "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.2.c 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.2.c
new file mode 100644
index 00000000000..38671d20ccf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.2.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#include "bit_op_cvt.h"
+
+DEF_BIT_CVT_0(int8_t, int8_t, uint16_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, int8_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, int8_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint16_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, uint8_t, int16_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, uint8_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, uint8_t, int64_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, int8_t, int16_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, int8_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(int8_t, int8_t, int64_t, |, bit_ior)
+
+DEF_BIT_CVT_0(int16_t, int16_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, int16_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, int16_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, int16_t, int64_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, uint16_t, uint32_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, uint16_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, uint16_t, int32_t, |, bit_ior)
+DEF_BIT_CVT_0(int16_t, uint16_t, int64_t, |, bit_ior)
+
+DEF_BIT_CVT_0(int32_t, int32_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(int32_t, int32_t, int64_t, |, bit_ior)
+DEF_BIT_CVT_0(int32_t, uint32_t, uint64_t, |, bit_ior)
+DEF_BIT_CVT_0(int32_t, uint32_t, int64_t, |, bit_ior)
+
+/* { dg-final { scan-tree-dump-not "_\[0-9]\+ = \\(u?int\[0-9]\+_t\\) 
_\[0-9]\+;\\s+return _\[0-9]\+;" "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.3.c 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.3.c
new file mode 100644
index 00000000000..84393454746
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.3.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#include "bit_op_cvt.h"
+
+DEF_BIT_CVT_0(uint8_t, int8_t, uint16_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, int8_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, int8_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint16_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int16_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int64_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, int8_t, int16_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, int8_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(uint8_t, int8_t, int64_t, &, bit_and)
+
+DEF_BIT_CVT_0(uint16_t, int16_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, int16_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, int16_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, int16_t, int64_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, uint16_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, uint16_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, uint16_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(uint16_t, uint16_t, int64_t, &, bit_and)
+
+DEF_BIT_CVT_0(uint32_t, int32_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(uint32_t, int32_t, int64_t, &, bit_and)
+DEF_BIT_CVT_0(uint32_t, uint32_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(uint32_t, uint32_t, int64_t, &, bit_and)
+
+/* { dg-final { scan-tree-dump-not "_\[0-9]\+ = \\(u?int\[0-9]\+_t\\) 
_\[0-9]\+;\\s+return _\[0-9]\+;" "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.4.c 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.4.c
new file mode 100644
index 00000000000..3f3356be8ce
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.4.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#include "bit_op_cvt.h"
+
+DEF_BIT_CVT_0(int8_t, int8_t, uint16_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, int8_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, int8_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint16_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, uint8_t, int16_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, uint8_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, uint8_t, int64_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, int8_t, int16_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, int8_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(int8_t, int8_t, int64_t, &, bit_and)
+
+DEF_BIT_CVT_0(int16_t, int16_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, int16_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, int16_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, int16_t, int64_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, uint16_t, uint32_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, uint16_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, uint16_t, int32_t, &, bit_and)
+DEF_BIT_CVT_0(int16_t, uint16_t, int64_t, &, bit_and)
+
+DEF_BIT_CVT_0(int32_t, int32_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(int32_t, int32_t, int64_t, &, bit_and)
+DEF_BIT_CVT_0(int32_t, uint32_t, uint64_t, &, bit_and)
+DEF_BIT_CVT_0(int32_t, uint32_t, int64_t, &, bit_and)
+
+/* { dg-final { scan-tree-dump-not "_\[0-9]\+ = \\(u?int\[0-9]\+_t\\) 
_\[0-9]\+;\\s+return _\[0-9]\+;" "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.5.c 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.5.c
new file mode 100644
index 00000000000..e746d6ec7c8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.5.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#include "bit_op_cvt.h"
+
+DEF_BIT_CVT_0(uint8_t, int8_t, uint16_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, int8_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, int8_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint16_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, uint8_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int16_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, uint8_t, int64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, int8_t, int16_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, int8_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint8_t, int8_t, int64_t, ^, bit_xor)
+
+DEF_BIT_CVT_0(uint16_t, int16_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, int16_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, int16_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, int16_t, int64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, uint16_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, uint16_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, uint16_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint16_t, uint16_t, int64_t, ^, bit_xor)
+
+DEF_BIT_CVT_0(uint32_t, int32_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint32_t, int32_t, int64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint32_t, uint32_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(uint32_t, uint32_t, int64_t, ^, bit_xor)
+
+/* { dg-final { scan-tree-dump-not "_\[0-9]\+ = \\(u?int\[0-9]\+_t\\) 
_\[0-9]\+;\\s+return _\[0-9]\+;" "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.6.c 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.6.c
new file mode 100644
index 00000000000..a12dc88f47c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.6.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#include "bit_op_cvt.h"
+
+DEF_BIT_CVT_0(int8_t, int8_t, uint16_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, int8_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, int8_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint16_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, uint8_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, uint8_t, int16_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, uint8_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, uint8_t, int64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, int8_t, int16_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, int8_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int8_t, int8_t, int64_t, ^, bit_xor)
+
+DEF_BIT_CVT_0(int16_t, int16_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, int16_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, int16_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, int16_t, int64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, uint16_t, uint32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, uint16_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, uint16_t, int32_t, ^, bit_xor)
+DEF_BIT_CVT_0(int16_t, uint16_t, int64_t, ^, bit_xor)
+
+DEF_BIT_CVT_0(int32_t, int32_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int32_t, int32_t, int64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int32_t, uint32_t, uint64_t, ^, bit_xor)
+DEF_BIT_CVT_0(int32_t, uint32_t, int64_t, ^, bit_xor)
+
+/* { dg-final { scan-tree-dump-not "_\[0-9]\+ = \\(u?int\[0-9]\+_t\\) 
_\[0-9]\+;\\s+return _\[0-9]\+;" "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.h 
b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.h
new file mode 100644
index 00000000000..87d67e67ebf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bit_op_cvt.h
@@ -0,0 +1,13 @@
+#ifndef HAVE_DEFINED_BIT_OP_CVT
+#define HAVE_DEFINED_BIT_OP_CVT
+
+#include <stdint.h>
+
+#define DEF_BIT_CVT_0(T1, T2, T3, OP, NAME) \
+T1 test_bit_##NAME##_##T1##_##T2##_##T3##_0(T2 a, \
+                                           T3 b) \
+{ \
+  return (T1)(a OP (T3)b); \
+}
+
+#endif
-- 
2.43.0

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