From f838e2366a9d41ce4b5e22e6fda218eb176ebb50 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Fri, 18 Dec 2009 01:05:06 +0000 Subject: [PATCH] Tidy up this testcase and add test for tailcall optimization with unreachable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91650 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/tailcall1.ll | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/test/CodeGen/X86/tailcall1.ll b/test/CodeGen/X86/tailcall1.ll index 4923df26b45..42f8cdd3841 100644 --- a/test/CodeGen/X86/tailcall1.ll +++ b/test/CodeGen/X86/tailcall1.ll @@ -1,12 +1,10 @@ -; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 4 -define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) { -entry: - ret i32 %a3 -} +; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 5 + +declare fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) -define fastcc i32 @tailcaller(i32 %in1, i32 %in2) { +define fastcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind { entry: - %tmp11 = tail call fastcc i32 @tailcallee( i32 %in1, i32 %in2, i32 %in1, i32 %in2 ) ; [#uses=1] + %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, i32 %in1, i32 %in2) ret i32 %tmp11 } @@ -30,3 +28,10 @@ define fastcc i32 @ret_undef() nounwind { %p = tail call fastcc i32 @i32_callee() ret i32 undef } + +declare fastcc void @does_not_return() + +define fastcc i32 @noret() nounwind { + tail call fastcc void @does_not_return() + unreachable +} -- 2.34.1