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Enable MemorySSA-based MemCpyOpt
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This updates the LLVM submodule to pick up a backported patch
to enable MemorySSA-based MemCpyOpt, which is capable of optimizing
away memcpy's across basic blocks.
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@nikic
nikic committed Mar 11, 2021
1 parent 1d6b0f6 commit 623ca84
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion src/llvm-project
Submodule llvm-project updated 23 files
+1 −3 clang/test/CodeGen/thinlto-distributed-newpm.ll
+3 −3 llvm/lib/Passes/PassBuilder.cpp
+6 −0 llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+18 −4 llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
+1 −1 llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+3 −1 llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+2 −2 llvm/test/Analysis/BasicAA/phi-values-usage.ll
+8 −14 llvm/test/CodeGen/AMDGPU/opt-pipeline.ll
+81 −0 llvm/test/CodeGen/PowerPC/pr49509.ll
+54 −0 llvm/test/CodeGen/SystemZ/args-11.ll
+2 −3 llvm/test/Other/new-pm-defaults.ll
+1 −1 llvm/test/Other/new-pm-lto-defaults.ll
+2 −3 llvm/test/Other/new-pm-thinlto-defaults.ll
+2 −3 llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
+2 −3 llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
+2 −3 llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
+2 −3 llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
+0 −2 llvm/test/Other/opt-LTO-pipeline.ll
+2 −5 llvm/test/Other/opt-O2-pipeline.ll
+2 −5 llvm/test/Other/opt-O3-pipeline-enable-matrix.ll
+2 −5 llvm/test/Other/opt-O3-pipeline.ll
+2 −5 llvm/test/Other/opt-Os-pipeline.ll
+18 −0 llvm/test/Transforms/MemCpyOpt/byval-readnone.ll

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