Use DW_FORM_addr for DW_AT_entry_pc.

llvm-svn: 107085

1 files changed, 48 insertions, 0 deletions

diff --git a/llvm/test/FrontendC/2010-06-28-DbgEntryPC.c b/llvm/test/FrontendC/2010-06-28-DbgEntryPC.c
new file mode 100644
index 00000000000..9ce236425a0
--- /dev/null
+++ b/llvm/test/FrontendC/2010-06-28-DbgEntryPC.c
@@ -0,0 +1,48 @@
+// RUN: %llvmgcc -S -O2 -g %s -o - | llc -O2 | FileCheck %s
+// Use DW_FORM_addr for DW_AT_entry_pc.
+// Radar 8094785
+
+// CHECK:	.byte	17                      ## DW_TAG_compile_unit
+// CHECK-NEXT:	.byte	1                       ## DW_CHILDREN_yes
+// CHECK-NEXT:	.byte	37                      ## DW_AT_producer
+// CHECK-NEXT:	.byte	8                       ## DW_FORM_string
+// CHECK-NEXT:	.byte	19                      ## DW_AT_language
+// CHECK-NEXT:	.byte	11                      ## DW_FORM_data1
+// CHECK-NEXT:	.byte	3                       ## DW_AT_name
+// CHECK-NEXT:	.byte	8                       ## DW_FORM_string
+// CHECK-NEXT:	.byte	82                      ## DW_AT_entry_pc
+// CHECK-NEXT:	.byte	1                       ## DW_FORM_addr
+// CHECK-NEXT:	.byte	16                      ## DW_AT_stmt_list
+// CHECK-NEXT:	.byte	6                       ## DW_FORM_data4
+// CHECK-NEXT:	.byte	27                      ## DW_AT_comp_dir
+// CHECK-NEXT:	.byte	8                       ## DW_FORM_string
+// CHECK-NEXT:	.byte	225                     ## DW_AT_APPLE_optimized
+
+struct a {
+  int c;
+  struct a *d;
+};
+
+int ret;
+
+void foo(int x) __attribute__((noinline));
+void *bar(struct a *b) __attribute__((noinline));
+
+void foo(int x)
+{
+  ret = x;
+}
+
+void *bar(struct a *b) {
+  foo(b->c);
+  return b;
+}
+
+int main(int argc, char *argv[]) {
+  struct a e;
+  e.c = 4;
+  e.d = &e;
+
+  (void)bar(&e);
+  return ret;
+}