From 57ff221e24597e7152d95236011746c76ce1b4c5 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Wed, 4 May 2005 17:34:55 +0000
Subject: [PATCH] Add a test case for the IsDigitOptimization class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21686 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/SimplifyLibCalls/IsDigit.ll | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 test/Transforms/SimplifyLibCalls/IsDigit.ll

diff --git a/test/Transforms/SimplifyLibCalls/IsDigit.ll b/test/Transforms/SimplifyLibCalls/IsDigit.ll
new file mode 100644
index 00000000000..1f8f7cf548a
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/IsDigit.ll
@@ -0,0 +1,17 @@
+; Test that the IsDigitOptimizer works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*isdigit' 
+
+declare int %isdigit(int)
+
+implementation   ; Functions:
+
+int %main () {
+  %val1 = call int %isdigit(int 47)
+  %val2 = call int %isdigit(int 48)
+  %val3 = call int %isdigit(int 57)
+  %val4 = call int %isdigit(int 58)
+  %rslt1 = add int %val1, %val2
+  %rslt2 = add int %val3, %val4
+  %rslt = add int %rslt1, %rslt2
+  ret int %rslt
+}