[SCCP] If we replace with a constant, we can't replace with a range.

This microoptimization is NFC.

llvm-svn: 318711

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
index 1e4bf2e889d..192ba13c598 100644
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -1866,8 +1866,10 @@ static bool runIPSCCP(Module &M, const DataLayout &DL,
     if (Solver.isBlockExecutable(&F.front()))
       for (Function::arg_iterator AI = F.arg_begin(), E = F.arg_end(); AI != E;
            ++AI) {
-        if (!AI->use_empty() && tryToReplaceWithConstant(Solver, &*AI))
+        if (!AI->use_empty() && tryToReplaceWithConstant(Solver, &*AI)) {
           ++IPNumArgsElimed;
+          continue;
+        }
 
         if (!AI->use_empty() && tryToReplaceWithConstantRange(Solver, &*AI))
           ++IPNumRangeInfoUsed;