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-rw-r--r--gcc-4.9/gcc/testsuite/g++.dg/tree-prof/func_reorder_gold_plugin_split_functions_1.C63
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-prof/func_reorder_gold_plugin_split_functions_1.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-prof/func_reorder_gold_plugin_split_functions_1.C
new file mode 100644
index 000000000..2f184c3e8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-prof/func_reorder_gold_plugin_split_functions_1.C
@@ -0,0 +1,63 @@
+/* Check if the gold function reordering plugin reorders split functions.
+ Check if foo is split and the cold section of foo is not next to its hot
+ section*/
+/* { dg-require-section-exclude "" } */
+/* { dg-require-linker-function-reordering-plugin "" } */
+/* { dg-require-effective-target freorder } */
+/* { dg-options "-O2 -freorder-functions=callgraph -ffunction-sections -freorder-blocks-and-partition --save-temps -Wl,-plugin-opt,file=linker.dump" } */
+
+
+#define SIZE 10000
+
+const char *sarr[SIZE];
+const char *buf_hot;
+const char *buf_cold;
+
+__attribute__ ((noinline))
+int bar (int *arg)
+{
+ (*arg)++;
+ return 0;
+}
+
+__attribute__((noinline))
+void
+foo (int path)
+{
+ int i;
+ bar (&path);
+ if (path)
+ {
+ for (i = 0; i < SIZE; i++)
+ sarr[i] = buf_hot;
+ }
+ else
+ {
+ for (i = 0; i < SIZE; i++)
+ sarr[i] = buf_cold;
+ }
+}
+
+int
+main (int argc, char *argv[])
+{
+ buf_hot = "hello";
+ buf_cold = "world";
+ foo (argc);
+ return 0;
+}
+
+/* { dg-final-use { scan-assembler "\.string \"ColdWeight 0\"" } } */
+/* { dg-final-use { scan-assembler "\.section.*\.text\.hot\._Z3fooi" } } */
+/* { dg-final-use { scan-assembler "\.section.*\.text\.unlikely\._Z3fooi" } } */
+/* { dg-final-use { cleanup-saved-temps } } */
+/* Check if foo and bar are together */
+/* { dg-final-use { scan-file linker.dump "Callgraph group :.*\(_Z3fooi _Z3barPi|_Z3barPi _Z3fooi\).*\n" } } */
+/* Check if foo and main are together */
+/* { dg-final-use { scan-file linker.dump "Callgraph group :.*\(_Z3fooi main|main _Z3fooi\).*\n" } } */
+/* { dg-final-use { scan-file linker.dump "\.text\.unlikely\._Z3fooi .* split = 1" } } */
+/* Check if unlikely sections of foo and bar are together */
+/* { dg-final-use { scan-file linker.dump "\(\.text\.unlikely\._Z3fooi\[^\n\]*\n\.text\.unlikely\._Z3barPi\[^\n\]*\n|\.text\.unlikely\._Z3barPi\[^\n\]*\n\.text\.unlikely\._Z3fooi\[^\n\]*\n\)" } } */
+/* Check if likely sections of hot foo and bar are together */
+/* { dg-final-use { scan-file linker.dump "\(\.text\._Z3barPi\[^\n\]*\n\.text\.hot\._Z3fooi|\.text\.hot\._Z3fooi\[^\n\]*\n\.text\._Z3barPi\)" } } */
+/* { dg-final-use { remove-build-file "linker.dump" } } */