forked from OSchip/llvm-project
055aee1d8a
This patch fixes PR40795, where constant-valued variable locations can "leak" into blocks placed at higher addresses. The root of this is that DbgEntityHistoryCalculator terminates all register variable locations at the end of each block, but not constant-value variable locations. Fixing this requires constant-valued DBG_VALUE instructions to be broadcast into all blocks where the variable location remains valid, as documented in the LiveDebugValues section of SourceLevelDebugging.rst, and correct termination in DbgEntityHistoryCalculator. Differential Revision: https://reviews.llvm.org/D59431 llvm-svn: 359426 |
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