Regression is gone, don't try to find it on clean target.

llvm-svn: 33296

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/test/Transforms/SimplifyLibCalls/Puts.ll b/llvm/test/Transforms/SimplifyLibCalls/Puts.ll
new file mode 100644
index 00000000000..4011a82fa9f
--- /dev/null
+++ b/llvm/test/Transforms/SimplifyLibCalls/Puts.ll
@@ -0,0 +1,26 @@
+; Test that the PutsCatOptimizer works correctly
+; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | not grep 'call.*fputs'
+;
+%struct._IO_FILE = type { int, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, sbyte*, %struct._IO_marker*, %struct._IO_FILE*, int, int, int, ushort, sbyte, [1 x sbyte], sbyte*, long, sbyte*, sbyte*, int, [52 x sbyte] }
+%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, int }
+%stdout = external global %struct._IO_FILE*		; <%struct._IO_FILE**> [#uses=1]
+
+declare int %fputs(sbyte*, %struct._IO_FILE*)
+
+%empty = constant [1 x sbyte] c"\00"
+%len1  = constant [2 x sbyte] c"A\00"
+%long  = constant [7 x sbyte] c"hello\0A\00"
+
+implementation   ; Functions:
+
+int %main() {
+entry:
+  %out = load %struct._IO_FILE** %stdout
+  %s1 = getelementptr [1 x sbyte]* %empty, int 0, int 0
+  %s2 = getelementptr [2 x sbyte]* %len1, int 0, int 0
+  %s3 = getelementptr [7 x sbyte]* %long, int 0, int 0
+  %a = call int %fputs( sbyte* %s1, %struct._IO_FILE* %out )
+  %b = call int %fputs( sbyte* %s2, %struct._IO_FILE* %out )
+  %c = call int %fputs( sbyte* %s3, %struct._IO_FILE* %out )
+  ret int 0
+}