From 8812485d417d56755e3df9aa17a9ddfa2b509f23 Mon Sep 17 00:00:00 2001 From: Venkatraman Govindaraju Date: Wed, 9 Oct 2013 12:50:39 +0000 Subject: [Sparc] Disable tail call optimization for sparc64. This patch fixes PR17506. llvm-svn: 192294 --- llvm/test/CodeGen/SPARC/2011-01-11-Call.ll | 40 ++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'llvm/test') diff --git a/llvm/test/CodeGen/SPARC/2011-01-11-Call.ll b/llvm/test/CodeGen/SPARC/2011-01-11-Call.ll index 7350e923242..a0f478e119a 100644 --- a/llvm/test/CodeGen/SPARC/2011-01-11-Call.ll +++ b/llvm/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 i32 @foo(...) 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 +} -- cgit v1.2.3