From a498747842072b1665327c98c5b6c942006084a4 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Mon, 25 Apr 2005 02:50:08 +0000
Subject: [PATCH] A test case for the the ExitInMain libcall simplification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21521 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../SimplifyLibCalls/2005-04-24-ExitInMain.ll       | 13 +++++++++++++
 test/Transforms/SimplifyLibCalls/dg.exp             |  3 +++
 2 files changed, 16 insertions(+)
 create mode 100644 test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll
 create mode 100644 test/Transforms/SimplifyLibCalls/dg.exp

diff --git a/test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll b/test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll
new file mode 100644
index 00000000000..f33eac072c4
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll
@@ -0,0 +1,13 @@
+; Test that the ExitInMainOptimization pass works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep -c 'ret int 3' | grep 1
+
+declare void "exit"(int)
+declare void "exitonly"(int)
+
+implementation   ; Functions:
+
+int "main"() {
+        call void "exitonly" ( int 3 )
+        call void "exit" ( int 3 )
+        ret int 0
+}
diff --git a/test/Transforms/SimplifyLibCalls/dg.exp b/test/Transforms/SimplifyLibCalls/dg.exp
new file mode 100644
index 00000000000..e326ea721c3
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/dg.exp
@@ -0,0 +1,3 @@
+load_lib llvm-dg.exp
+
+llvm-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,llx,c,cpp,tr}]] $objdir $srcdir $subdir $target_triplet $llvmgcc $llvmgxx $prcontext