[Sparc] Disable tail call optimization for sparc64.

This patch fixes PR17506.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192294 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/SPARC/2011-01-11-Call.ll b/test/CodeGen/SPARC/2011-01-11-Call.ll
index 7350e92..a0f478e 100644
--- a/test/CodeGen/SPARC/2011-01-11-Call.ll
+++ b/test/CodeGen/SPARC/2011-01-11-Call.ll
@@ -1,4 +1,24 @@
 ; RUN: llc -march=sparc -O0 <%s
+; RUN: llc -march=sparc   <%s | FileCheck %s --check-prefix=V8
+; RUN: llc -march=sparcv9 <%s | FileCheck %s --check-prefix=V9
+
+; V8-LABEL: test
+; V8:       save %sp
+; V8:       call foo
+; V8-NEXT:  nop
+; V8:       call bar
+; V8-NEXT:  nop
+; V8:       jmp %i7+8
+; V8-NEXT:  restore
+
+; V9-LABEL: test
+; V9:       save %sp
+; V9:       call foo
+; V9-NEXT:  nop
+; V9:       call bar
+; V9-NEXT:  nop
+; V9:       jmp %i7+8
+; V9-NEXT:  restore
 
 define void @test() nounwind {
 entry:
@@ -11,3 +31,23 @@
 
 declare void @bar(...)
 
+
+; V8-LABEL: test_tail_call_with_return
+; V8:       save %sp
+; V8:       call foo
+; V8-NEXT:  nop
+; V8:       jmp %i7+8
+; V8-NEXT:  restore %g0, %o0, %o0
+
+; V9-LABEL: test_tail_call_with_return
+; V9:       save %sp
+; V9:       call foo
+; V9-NEXT:  nop
+; V9:       jmp %i7+8
+; V9-NEXT:  restore %g0, %o0, %o0
+
+define i32 @test_tail_call_with_return() nounwind {
+entry:
+ %0 = tail call i32 (...)* @foo() nounwind
+ ret i32 %0
+}