diff options
author | Davide Italiano <davide@freebsd.org> | 2017-11-21 00:21:52 +0000 |
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committer | Davide Italiano <davide@freebsd.org> | 2017-11-21 00:21:52 +0000 |
commit | 3a95a12ddda7638aa354aa314e50bff38db2e301 (patch) | |
tree | ffa998400648e239b6f4e48ea394c28133e67e99 /lib/Transforms/Scalar/SCCP.cpp | |
parent | 5121f3c7c1d3c43c2bd9a46fac80cc094fa19c4f (diff) |
[SCCP] If we replace with a constant, we can't replace with a range.
This microoptimization is NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318711 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/SCCP.cpp')
-rw-r--r-- | lib/Transforms/Scalar/SCCP.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp index 1e4bf2e889d..192ba13c598 100644 --- a/lib/Transforms/Scalar/SCCP.cpp +++ b/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; |