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Commit 0be79e1a authored by Peter Collingbourne's avatar Peter Collingbourne
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Introduce two command-line flags for the instrumentation pass to control...

Introduce two command-line flags for the instrumentation pass to control whether the labels of pointers should be ignored in load and store instructions

The new command line flags are -dfsan-ignore-pointer-label-on-store and -dfsan-ignore-pointer-label-on-load. Their default value matches the current labelling scheme.

Additionally, the function __dfsan_union_load is marked as readonly.

Patch by Lorenzo Martignoni!

Differential Revision: http://llvm-reviews.chandlerc.com/D2187

llvm-svn: 195382
parent 0a14a710
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