new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35983 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SimplifyLibCalls/Printf.ll b/test/Transforms/SimplifyLibCalls/Printf.ll
new file mode 100644 (file)
index 0000000..2a42e00
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/Printf.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep putchar &&
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*printf'
+
+@str = internal constant [13 x i8] c"hello world\0A\00"         ; <[13 x i8]*> [#uses=1]
+@str1 = internal constant [2 x i8] c"h\00"              ; <[2 x i8]*> [#uses=1]
+
+define void @foo() {
+entry:
+        %tmp1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([13 x i8]* @str, i32 0, i32 0) )         ; <i32> [#uses=0]
+        ret void
+}
+
+declare i32 @printf(i8*, ...)
+
+define void @bar() {
+entry:
+        %tmp1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([2 x i8]* @str1, i32 0, i32 0) )         ; <i32> [#uses=0]
+        ret void
+}
+