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4345e14522
The intrinsics have an extra chunk of known bits logic compared to the normal cmp+select idiom. That allows folding the icmp in each case to something better, but that then opposes the canonical form of min/max that we try to form for a select. I'm carving out a narrow exception to preserve all existing regression tests while avoiding the inf-loop. It seems unlikely that this is the only bug like this left, but this should fix: https://llvm.org/PR51419 (cherry picked from commit b267d3ce8defa092600bda717ff18440d002f316) |
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| .. | ||
| CMakeLists.txt | ||
| InstCombineAddSub.cpp | ||
| InstCombineAndOrXor.cpp | ||
| InstCombineAtomicRMW.cpp | ||
| InstCombineCalls.cpp | ||
| InstCombineCasts.cpp | ||
| InstCombineCompares.cpp | ||
| InstCombineInternal.h | ||
| InstCombineLoadStoreAlloca.cpp | ||
| InstCombineMulDivRem.cpp | ||
| InstCombineNegator.cpp | ||
| InstCombinePHI.cpp | ||
| InstCombineSelect.cpp | ||
| InstCombineShifts.cpp | ||
| InstCombineSimplifyDemanded.cpp | ||
| InstCombineVectorOps.cpp | ||
| InstructionCombining.cpp | ||