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7d90c426c8
This adds to D69245, adding extra signed patterns for folding from a sadd_with_overflow to a sadd_sat. These are more complex than the unsigned patterns, as the overflow can occur in either direction. For the add case, the positive overflow can only occur if both of the values are positive (same for both the values being negative). So there is an extra select on whether to use the positive or negative overflow limit. Differential Revision: https://reviews.llvm.org/D69252 |
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| AggressiveInstCombine | ||
| CFGuard | ||
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| Hello | ||
| InstCombine | ||
| Instrumentation | ||
| IPO | ||
| ObjCARC | ||
| Scalar | ||
| Utils | ||
| Vectorize | ||
| CMakeLists.txt | ||
| LLVMBuild.txt | ||