llvm-project

a114bbe4 - [ValueTracking] fadd never produces subnormal with no underflow (#186985)

[ValueTracking] fadd never produces subnormal with no underflow (#186985) In the cases where the fadd does not underflow, the result is both non-zero and non-subnormal. alive2 results for the added positive testcases: testcase 1: https://alive2.llvm.org/ce/z/Mxjott testcase 2: https://alive2.llvm.org/ce/z/Q-_A-v testcase 3: https://alive2.llvm.org/ce/z/Y3XpSk testcase 4: https://alive2.llvm.org/ce/z/34n8MZ Fix #186975.