Teach SimplifyLibCalls to fold memcmp calls with constant arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86141 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SimplifyLibCalls/memcmp.ll b/test/Transforms/SimplifyLibCalls/memcmp.ll
index 7008736..ed7bcac 100644
--- a/test/Transforms/SimplifyLibCalls/memcmp.ll
+++ b/test/Transforms/SimplifyLibCalls/memcmp.ll
@@ -17,6 +17,10 @@
%D = call i32 @memcmp( i8* %P, i8* %Q, i32 2 ) ; <i32> [#uses=1]
%E = icmp eq i32 %D, 0 ; <i1> [#uses=1]
volatile store i1 %E, i1* %BP
+ %F = call i32 @memcmp(i8* getelementptr ([4 x i8]* @hel, i32 0, i32 0),
+ i8* getelementptr ([8 x i8]* @hello_u, i32 0, i32 0),
+ i32 3)
+ volatile store i32 %F, i32* %IP
ret void
}