diff options
| -rw-r--r-- | lib/Transforms/Scalar/IndVarSimplify.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp index 1d79339472..1a87b15e7f 100644 --- a/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -1158,8 +1158,12 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) { // Create a rewriter object which we'll use to transform the code with. SCEVExpander Rewriter(*SE); - if (DisableIVRewrite) + + // Eliminate redundant IV users. + if (DisableIVRewrite) { Rewriter.disableCanonicalMode(); + SimplifyIVUsersNoRewrite(L, Rewriter); + } // Check to see if this loop has a computable loop-invariant execution count. // If so, this means that we can compute the final value of any expressions @@ -1171,9 +1175,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) { RewriteLoopExitValues(L, Rewriter); // Eliminate redundant IV users. - if (DisableIVRewrite) - SimplifyIVUsersNoRewrite(L, Rewriter); - else + if (!DisableIVRewrite) SimplifyIVUsers(Rewriter); // Compute the type of the largest recurrence expression, and decide whether |