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Diffstat (limited to 'lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | lib/Transforms/Utils/SimplifyCFG.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp index 9823433e86..b33d0d473b 100644 --- a/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/lib/Transforms/Utils/SimplifyCFG.cpp @@ -3538,7 +3538,8 @@ static bool SwitchToLookupTable(SwitchInst *SI, const TargetTransformInfo *TTI) { assert(SI->getNumCases() > 1 && "Degenerate switch?"); - if (TTI && !TTI->getScalarTargetTransformInfo()->shouldBuildLookupTables()) + // Only build lookup table when we have a target that supports it. + if (!TTI || !TTI->getScalarTargetTransformInfo()->shouldBuildLookupTables()) return false; // FIXME: If the switch is too sparse for a lookup table, perhaps we could |