vendor/llvm/llvm-trunk-r239412

1 files changed, 73 insertions, 0 deletions

diff --git a/test/CodeGen/X86/tailcallpic3.ll b/test/CodeGen/X86/tailcallpic3.ll
new file mode 100644
index 000000000000..edc58052d82f
--- /dev/null
+++ b/test/CodeGen/X86/tailcallpic3.ll
@@ -0,0 +1,73 @@
+; RUN: llc < %s -mtriple=i686-pc-linux-gnu -relocation-model=pic | FileCheck %s
+
+; While many of these could be tail called, we don't do it because it forces
+; early binding.
+
+declare void @external()
+
+define hidden void @tailcallee_hidden() {
+entry:
+  ret void
+}
+
+define void @tailcall_hidden() {
+entry:
+  tail call void @tailcallee_hidden()
+  ret void
+}
+; CHECK: tailcall_hidden:
+; CHECK: jmp tailcallee_hidden
+
+define internal void @tailcallee_internal() {
+entry:
+  ret void
+}
+
+define void @tailcall_internal() {
+entry:
+  tail call void @tailcallee_internal()
+  ret void
+}
+; CHECK: tailcall_internal:
+; CHECK: jmp tailcallee_internal
+
+define default void @tailcallee_default() {
+entry:
+  ret void
+}
+
+define void @tailcall_default() {
+entry:
+  tail call void @tailcallee_default()
+  ret void
+}
+; CHECK: tailcall_default:
+; CHECK: calll tailcallee_default@PLT
+
+define void @tailcallee_default_implicit() {
+entry:
+  ret void
+}
+
+define void @tailcall_default_implicit() {
+entry:
+  tail call void @tailcallee_default_implicit()
+  ret void
+}
+; CHECK: tailcall_default_implicit:
+; CHECK: calll tailcallee_default_implicit@PLT
+
+define void @tailcall_external() {
+  tail call void @external()
+  ret void
+}
+; CHECK: tailcall_external:
+; CHECK: calll external@PLT
+
+define void @musttail_external() {
+  musttail call void @external()
+  ret void
+}
+; CHECK: musttail_external:
+; CHECK: movl external@GOT
+; CHECK: jmpl