SimplifyCFG: Don't assume non-null ScalarTargetTransformInfo.
Patch by Pekka Jääskeläinen!
llvm-svn: 168176
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index 4c14aa6..6c34eed 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -3539,7 +3539,8 @@
assert(SI->getNumCases() > 1 && "Degenerate switch?");
// Only build lookup table when we have a target that supports it.
- if (!TTI || !TTI->getScalarTargetTransformInfo()->shouldBuildLookupTables())
+ if (!TTI || !TTI->getScalarTargetTransformInfo() ||
+ !TTI->getScalarTargetTransformInfo()->shouldBuildLookupTables())
return false;
// FIXME: If the switch is too sparse for a lookup table, perhaps we could