[llvm-commits] [llvm] r92084 - /llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp

[Chris Lattner]

Author: lattner
Date: Wed Dec 23 17:24:51 2009
New Revision: 92084

URL: http://llvm.org/viewvc/llvm-project?rev=92084&view=rev
Log:
reorder to follow a normal fall-through style, no functionality change.

Modified:
    llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp?rev=92084&r1=92083&r2=92084&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp Wed Dec 23 17:24:51 2009
@@ -905,12 +905,11 @@
     if (uint64_t Len = GetStringLength(Src))
       return ConstantInt::get(CI->getType(), Len-1);
 
-    // Handle strlen(p) != 0.
-    if (!IsOnlyUsedInZeroEqualityComparison(CI)) return 0;
-
     // strlen(x) != 0 --> *x != 0
     // strlen(x) == 0 --> *x == 0
-    return B.CreateZExt(B.CreateLoad(Src, "strlenfirst"), CI->getType());
+    if (IsOnlyUsedInZeroEqualityComparison(CI))
+      return B.CreateZExt(B.CreateLoad(Src, "strlenfirst"), CI->getType());
+    return 0;
   }
 };