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2993617e41
When LazyValueInfo uses @llvm.assume intrinsics to provide edge-value constraints, we should check for intrinsics that dominate the edge's branch, not just any potential context instructions. An assumption that dominates the edge's branch represents a truth on that edge. This is specifically useful, for example, if multiple predecessors assume a pointer to be nonnull, allowing us to simplify a later null comparison. The test case, and an initial patch, were provided by Philip Reames. Thanks! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219688 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Analysis | ||
AsmParser | ||
Bitcode | ||
CodeGen | ||
DebugInfo | ||
ExecutionEngine | ||
IR | ||
IRReader | ||
LineEditor | ||
Linker | ||
LTO | ||
MC | ||
Object | ||
Option | ||
ProfileData | ||
Support | ||
TableGen | ||
Target | ||
Transforms | ||
CMakeLists.txt | ||
LLVMBuild.txt | ||
Makefile |