diff options
Diffstat (limited to 'src/codegen/llvm.zig')
| -rw-r--r-- | src/codegen/llvm.zig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index c8ca540f59..00074d69d1 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -3444,6 +3444,7 @@ pub const FuncGen = struct { .tag_name => try self.airTagName(inst), .error_name => try self.airErrorName(inst), .splat => try self.airSplat(inst), + .select => try self.airSelect(inst), .shuffle => try self.airShuffle(inst), .reduce => try self.airReduce(inst), .aggregate_init => try self.airAggregateInit(inst), @@ -6355,6 +6356,18 @@ pub const FuncGen = struct { return self.builder.buildShuffleVector(op_vector, undef_vector, mask_llvm_ty.constNull(), ""); } + fn airSelect(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value { + if (self.liveness.isUnused(inst)) return null; + + const pl_op = self.air.instructions.items(.data)[inst].pl_op; + const extra = self.air.extraData(Air.Bin, pl_op.payload).data; + const pred = try self.resolveInst(pl_op.operand); + const a = try self.resolveInst(extra.lhs); + const b = try self.resolveInst(extra.rhs); + + return self.builder.buildSelect(pred, a, b, ""); + } + fn airShuffle(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value { if (self.liveness.isUnused(inst)) return null; |