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Diffstat (limited to 'no-memset-creation-with-addrspace.diff')
| -rw-r--r-- | no-memset-creation-with-addrspace.diff | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/no-memset-creation-with-addrspace.diff b/no-memset-creation-with-addrspace.diff new file mode 100644 index 000000000000..c7442785f4ea --- /dev/null +++ b/no-memset-creation-with-addrspace.diff @@ -0,0 +1,16 @@ +Index: lib/Transforms/Scalar/MemCpyOptimizer.cpp +=================================================================== +--- lib/Transforms/Scalar/MemCpyOptimizer.cpp (revision 201645) ++++ lib/Transforms/Scalar/MemCpyOptimizer.cpp (working copy) +@@ -368,6 +368,11 @@ + Value *StartPtr, Value *ByteVal) { + if (TD == 0) return 0; + ++ // We have to check for address space < 256, since llvm.memset only supports ++ // user defined address spaces. ++ if (cast<PointerType>(StartPtr->getType())->getAddressSpace() >= 256) ++ return 0; ++ + // Okay, so we now have a single store that can be splatable. Scan to find + // all subsequent stores of the same value to offset from the same pointer. + // Join these together into ranges, so we can decide whether contiguous blocks |