llvm-project

683b00bb - [VPlan] Limit VPScalarIVSteps to step == 1 in getSCEVExprForVPValue.

[VPlan] Limit VPScalarIVSteps to step == 1 in getSCEVExprForVPValue. For now, just support VPScalarIVSteps with step == 1 in getSCEVExprForVPValue. This fixes a crash when the step would be != 1.