Using the more robust log2 search allows us to fold more cases (same
logic as exists for idiv/irem).
Details
Details
Diff Detail
Diff Detail
- Repository
- rG LLVM Github Monorepo
Unit Tests
Unit Tests
Time | Test | |
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110 ms | x64 debian > Flang.Driver::code-gen-rv64.f90 |
Event Timeline
llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | ||
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489 | We should preserve the nuw flag here: https://alive2.llvm.org/ce/z/YkwtoD We can't preserve nsw due to the INT_MIN edge case: https://alive2.llvm.org/ce/z/HTaC3b |
llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | ||
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489 |
Also added test this. |
We should preserve the nuw flag here: https://alive2.llvm.org/ce/z/YkwtoD
We can't preserve nsw due to the INT_MIN edge case: https://alive2.llvm.org/ce/z/HTaC3b