Add a test case for StrChrOptimizer for -simplify-libcalls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SimplifyLibCalls/StrChr.ll b/test/Transforms/SimplifyLibCalls/StrChr.ll
new file mode 100644
index 0000000..7594fee
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/StrChr.ll
@@ -0,0 +1,19 @@
+; Test that the StrChrOptimizer works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strchr'
+
+declare sbyte* %strchr(sbyte*,int)
+declare int %puts(sbyte*)
+%hello = constant [14 x sbyte] c"hello world\n\00"
+%null = constant [1 x sbyte] c"\00"
+
+implementation ; Functions:
+
+int %main () {
+ %hello_p = getelementptr [14 x sbyte]* %hello, int 0, int 0
+ %null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
+
+ %world = call sbyte* %strchr(sbyte* %hello_p, int 119 )
+ %ignore = call sbyte* %strchr(sbyte* %null_p, int 119 )
+ %result = call int %puts(sbyte* %world)
+ ret int %result
+}