re PR tree-optimization/33619 (TER breaks some inline-asm code (again))

	PR tree-optimization/33619
	* tree-ssa-ter.c (is_replaceable_p): Return false for all
	calls.

	* gcc.dg/pr33619.c: New test.

From-SVN: r129350

1 files changed, 45 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr33619.c b/gcc/testsuite/gcc.dg/pr33619.c
new file mode 100644
index 0000000..8011e69
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr33619.c
@@ -0,0 +1,45 @@
+/* PR tree-optimization/33619 */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+#ifdef __powerpc__
+# define REG1 __asm__ ("3")
+# define REG2 __asm__ ("4")
+#elif defined __x86_64__
+# define REG1 __asm__ ("rdi")
+# define REG2 __asm__ ("rsi")
+#else
+# define REG1
+# define REG2
+#endif
+
+static inline void
+bar (unsigned long x, int y)
+{
+  register unsigned long p1 REG1 = x;
+  register unsigned long p2 REG2 = y;
+  __asm__ volatile ("" : "=r" (p1), "=r" (p2) : "0" (p1), "1" (p2) : "memory");
+  if (p1 != 0xdeadUL || p2 != 0xbefUL)
+    __builtin_abort ();
+}
+
+__attribute__((const, noinline)) int
+baz (int x)
+{
+  return x;
+}
+
+__attribute__((noinline)) void
+foo (unsigned long *x, int y)
+{
+  unsigned long a = *x;
+  bar (a, baz (y));
+}
+
+int
+main (void)
+{
+  unsigned long a = 0xdeadUL;
+  foo (&a, 0xbefUL);
+  return 0;
+}